ITEM 1. BUSINESS.
Overview
Our Business
We are a cell therapy company focused on immunotherapy. Since our inception, we have been involved with the development
of proprietary immune system management technology licensed from Yeda Research & Development Company Limited (“Yeda”), the commercial arm of the Weizmann Institute of Technology, Israel.
This technology seeks to address one of the most fundamental challenges within human immunology:
how to tune the immune response such that it tolerates selected desirable foreign cells, but continues to attack all other (undesirable) targets.
In simpler terms,
many potentially life-saving treatments have limited effectiveness today because the patient’s immune system rejects them. Today, rejection is partially overcome using aggressive immune suppression treatments that leave the patient exposed to many
dangers by compromising their immune system. The ability to overcome rejection without having to compromise the rest of the immune system may open the door to effective treatment of a number of severe medical conditions which are characterized by
this need. These include:
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Hematological malignancies (leukemias, lymphomas, etc.). One of the most effective treatments for these
conditions is SCT - stem cell transplantation (e.g. bone marrow transplantation). While the challenge finding donors for allogeneic (donor vs. patient derived) SCT can be addressed through haploidentical (partially mismatched donor)
transplants, is a risky and difficult procedure primarily because of potential conflicts between host and donor immune systems and also due to viral infections that often follow even successful SCT while the compromised new immune system
works to reconstitute itself by using the transplanted stem cells.
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The broader set of cancers, including solid tumors, that can potentially be treated effectively using
genetically modified cells such as CAR-T cells, but also face efficacy and economic constraints due to limited persistence based on immune system issues (i.e., the need to be able to safely and efficiently deliver allogeneic CAR-T
therapy).
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Organ failure and transplantation. A variety of conditions can be treated by the transplantation of vital
organs. However, transplantation is limited both by the insufficient supply of available donor organs and the need for lifelong, daily anti-reject treatments post-transplant.
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Non-malignant hematological conditions (such as sickle cell anemia) which could, in many cases, also be
effectively treated by stem cell transplantation if the procedure could be made safer and more accessible by addressing conflicts between host and donor immune systems.
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Corporate History
Cell Source, Inc. (the "Company") is a Nevada corporation formed on June 6, 2012 under the name Ticket to See, Inc. ("TTSI"). Cell Source Ltd. (“Cell
Source Israel”) was founded in 2011 in order to commercialize a suite of inventions that were the result of over ten (10) years of research at the Weizmann Institute of Science in Rehovot, Israel (“Weizmann Institute”). Pursuant to a Research and
License Agreement by and between Cell Source Israel and Yeda, dated October 3, 2011, as amended in April, 2014 November, 2016, and, most recently, in March, 2018 (the “Yeda License Agreement”), Yeda, the commercial arm of the Weizmann Institute,
granted Cell Source Israel an exclusive license to certain patents, discoveries, inventions, and other intellectual property generated (together with others) by Yair Reisner, Ph.D. (“Dr. Reisner”), former head of the Immunology Department at the
Weizmann Institute.
Implications of being a
Smaller Reporting Company
As a company with less than $100 million in revenue during our last fiscal year and a public float of less than $250
million, we qualify as a “smaller reporting company” as defined in Item 10(f)(1) of Regulation S-K. A “smaller reporting company” may take advantage of reduced reporting requirements and disclosure obligations that are otherwise applicable to
public companies. These provisions include, but are not limited to:
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being permitted to present only two years of audited financial statements and only two years of related Management’s Discussion & Analysis of Financial
Condition and Results of Operations in this report on Form 10-K;
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not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, as amended, or the Sarbanes-Oxley
Act; and
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reduced disclosure obligations regarding executive compensation in our periodic reports, proxy statements and registration statements.
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We have elected to take advantage of certain of the reduced disclosure obligations and may elect to take advantage of
other reduced reporting requirements in future filings. As a result, the information that we provide to our stockholders may be different than you might receive from other public reporting companies in which you hold equity interests. Decreased
disclosures in our SEC filings due to our status as a “smaller reporting company” may make it harder for investors to analyze our results of operations and financial prospects.
Hematological
Malignancies
Hematological malignancies (blood cancers) comprise a variety of lymphomas and leukemias. A very important treatment
protocol for these malignancies involves the use of hematopoietic stem cell transplantation (“HSCT”). To the best of our knowledge, over 1,000,000 bone marrow transplantations have been performed worldwide with the annual number of procedures
exceeding 60,000 (table below). Our technology has immediate relevance for, at a minimum, the roughly 30,000 worldwide bone marrow transplants that are allogeneic (using cells taken from another individual, not the patient). According to the
CIMBTR, there were 8,539 allogeneic stem cell transplants in the US in 2016.
Source: Worldwide Network for Blood and Marrow Transplantations
HSCT often has a curative effect when successful. However, it is very risky. HSCT involves destroying the patient’s
native immune system with radiation or chemotherapy (myeloablation) before the transplantation, and then suppressing immune response (immunosuppression) with drugs to manage the conflicts between host and donor cells. The majority of patients are
unable to find a matched family donor. Approximately 35-40% of all unrelated donor transplant patients die within two years of transplantation. Among these, those who die in the first 100 days post-transplant, 33% die from either infections
(associated with a compromised immune system) or GVHD (Graft Versus Host Disease).
Myeloablation and immunosuppression are dangerous and difficult to tolerate, especially in patients over age 50. Therefore,
HSCT has been used mainly with younger patients
This means that:
a)
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many blood cancer patients are not candidates for the primary treatment (HSCT) that represents a potential
cure;
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b)
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there is high mortality among those patients who are candidates for HSCT and do undergo the procedure;
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There is widespread awareness of the need for improved immune-system management technologies for HSCT - both to improve
outcomes of transplantations for the traditional target set of patients and to expand the use of the procedure by making transplantation safe enough to become appropriate for a broader set of patients.
We aspire to use Veto Cell technology to dramatically improve the outcomes of the allogeneic transplantations already
being performed, and thereby to rapidly penetrate the current market. However, our target population greatly exceeds those patients who currently undergo HSCT, as the firm’s tolerizing technology could potentially make allogeneic transplantation an
option for a much larger proportion of the diseased population. The following table shows the prevalence of the specific hematological malignancies on which we will focus:
Initial Malignancy Indications
(note estimates for
North America and EU only)
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Incidence
(Annual New Cases)
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Annual Bone Marrow
Transplantations
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Lymphoma
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217,491
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20,291
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Multiple Myeloma
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79,067
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20,884
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Leukemia
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155,080
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14,480
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Total
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451,638
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55,655
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Source: National Cancer Institute, World Health Organization, Leukemia & Lymphoma Society, Lymphoma Coalition Europe
For the purposes of this document, it is assumed that the immediate candidates for Cell Source-enabled HSCT will be the
subset of cancer patients that today receive transplantations as part of their cancer treatment (rightmost column in table above). We believe that a portion of these patients will benefit from Veto Cell adjunct therapy, as such therapy aspires to
improve the success and reduce the risk and mortality of a procedure that they are having anyway. With time, as Veto Cell treatment becomes more widespread and data is accumulated, we believe that the percentage of patients that will be referred
for Veto Cell enabled HSCT will increase significantly.
It is also important to note that incidence of these diseases is increasing. The global market for blood cancer
therapeutics was estimated at $38.5 billion in 2018 and is projected to increase in size to over $50 billion by 2024 according to
"
Blood Cancer Therapeutics: Global Markets to 2023
."
Published
by BCC Research. The aging of the US population and the increased incidence of hematologic malignancies are expected to significantly increase the number of older patients who receive allogeneic HSCT.
HSCT Market Trends
There are four important market trends affecting the hematological malignancies market:
1)
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As noted above, increasing incidence of these disorders, largely driven by the aging population.
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Improvement and proliferation of HSCT treatments.
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A “virtuous circle” of lowered death rate due to better transplantations leading to more aggressive focus on
HSCT.
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The growing use of milder conditioning regimens, which makes the procedure more survivable for older patients
(see table below).
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However, despite the above trends, the use of HSCT, especially allogeneic, remains limited because of the risks
associated with the myeloablative treatments required to reduce the host immune response and GVHD. This means that the “gold-standard” of treatment is largely unavailable to the age cohort that constitute a significant proportion of sufferers of
these diseases.
The Company aspires to address this issue in a distinctive manner by significantly reducing the need for myeloablative
treatment and avoiding the risk of GVHD, thereby improving the outlook for allogeneic transplantations and enabling their use in a much larger population set.
CAR-T cell therapy
One of the most promising new approaches to treating hematological malignancies is by using genetically modified T cells
in treatments such as CAR-T and TCR. CAR-T cell therapy for blood cancers, which has already been approved by the FDA, has shown the ability to attain prolonged remissions in a significant proportion of those patients treated. That said, the number
of patients treated has been fairly low, in part due to the significant costs associated with this treatment. Since the approved treatments products rely on autologous (patient derived) production of the CAR-T cells, the costs can run into the
hundreds of thousands of dollars for a single treatment, with the cost of the infusion alone ranging between $373,000 and $475,000 in the US. The broader hope for CAR=T cell therapy is for an allogeneic or “off the shelf” version that is expected
to significantly lower the treatment costs.
Cell Source is currently sponsoring research in collaboration with Professor Zelig Eshhar, the inventor of CAR-T cell
technology, to combine CAR-T and Veto Cell technology so as to allow for a successful allogeneic approach to CAR-T, initially for treatment of blood cancers and subsequently to address solid tumor cancers as well.
Relevant
Non-Malignant Diseases
While Hematological malignancies represent the Company's initial focus, the Company's selective immune response blocking
technology may also be effective in treating certain non-malignant organ diseases as well as blood and immune system disorders. This would represent an additional growth opportunity for the Company.
The target non-malignant diseases are widespread. The Company's first non-malignant disorder target is expected to be is
support of organ transplantations (kidney, liver, etc.). Approximately 60,000 such procedures are conducted in North America and the EU each year. As with bone marrow transplantations, organ transplantations require substantial immunosuppression to
prevent rejection. This ongoing treatment is dangerous, quality-of-life reducing, and costly. The Company's Veto Cell technology can potentially be used to selectively reduce immune response to the transplanted organ, thus reducing the need for
aggressive immunosuppression post transplantation.
A second target within non-malignant disorders are blood diseases such as sickle cell disease, aplastic anemia beta
thalassemia and scleroderma. Sickle cell anemia, for example, can be effectively treated by HSCT which replaces the defective bone marrow cells. However, because of HSCT’s riskiness, the procedure is currently used only in extreme cases. If
successful in enabling safer HSCT, the Company will make this treatment available to a broader set of sickle cell anemia sufferers.
Market Access and
Channels
The market for transplantation therapies is relatively concentrated. There are approximately 1,600 transplantation
centers worldwide, of which some 700 are in North America and Western Europe.
A relatively small subset of these (often termed “Centers of Excellence”) tends to set the practice standards for the
entire transplantation community. Therefore, as discussed in the “Strategy” section, the Company plans to focus its initial penetration strategy on a relatively small group of influential centers.
Reimbursement issues for our therapies are expected to be relatively straightforward. Once clinical effectiveness and
regulatory approval are established, the value-proposition for payors and providers is expected to be clear and compelling. Issues connected with immunosuppression and rejection constitute a major component of bone marrow transplantation costs, and
significant improvement in this area is expected to bring substantive cost-savings for payors.
Sector Focus
We are in the overall arena of immunotherapy. The cancer immunotherapy market was estimated at approximately $60
billion for 2017 and projected to grow to over $150 billion by 2024, according to Research and Markets.
Within the immunotherapy field, our initial focus is on allogeneic therapies (treatments using donor derived-as opposed
to patient derived-cells), with a focus on haploidentical transplantations (transplantations that use cells from partially matched-as opposed to fully matched-donors and recipients). While potentially valuable, allogeneic therapies are relatively
complex, risky, and expensive. A key driver of this complexity and associated costs is the conflict between host and donor immune systems, as discussed above.
Our technology, which in preclinical studies, and in the case of the Megadose Drug Combination in a first-in-human proof
of concept, has shown the ability to enable tolerance of donor cells without affecting other immune processes, is fundamentally enabling. We expect it to significantly increase the safety, reduce the cost, and therefore broaden the scope of
indications for such procedures.
The delivery method for Veto Cell treatments would take the form of a non-invasive cell suspension treatments
administered intravenously. For HSCT treatments, Veto Cells are derived from stem cells taken from the same donor who is providing the stem cells for the transplantation itself. In the case of CAR-T Veto Cell therapy, a more generic “off the
shelf” modality offering which would be marketed as a pre-packaged suspension of cells and medium, prepared and stored in.
Our Value Drivers
Our current positioning in the cancer immunotherapy value chain is typical of an early clinical stage company:
developing, validating and attaining regulatory approvals for the various applications of our technology platforms. Going forward, once the products are commercialized, physician and patient interest in these treatments is expected to drive insurer
reimbursement for patients - a key demand lever. The generic value chain for biotechnology development commences with an invention which is formulated, patented and successful in pre-clinical animal trials. We have already passed this stage with
our Veto Cell technology platform, for which we have an exclusive license to use from Yeda, the owner of these patents. The next steps in development include human trials (first testing safety and then efficacy). Finally, the offering earns
regulatory approval and patient treatment, along with the ensuing revenues, can commence. This can be a particularly lengthy process in the United States and therefore some medical treatments are approved in Europe or Asia and generate revenues
there prior to commencing U.S. sales. Recently passed “fast track” regulation in the U.S. is aimed at getting critical treatments for life threatening conditions to patients more quickly.
Our successful preclinical validation of the Veto Cell treatment involved basic laboratory research including both
in-vivo (live) animal trials and in-vitro (in a glass dish) human cell trials. This validates the protocol prior to commencing human clinical trials. Human clinical trials fine-tune the treatment protocol and confirm both safety and efficacy in
treating patents. In parallel, the patents on the core technology go into the national phase in various countries and are emended with claims associated with exact treatment protocols, bolstering the protection afforded by already issued patents on
the base technology.
In some cases, successful biotech companies have been able to capitalize on positive human clinical results (even prior
to full approval for patient treatment) by either signing lucrative non-dilutive distribution option deals or by being partially or fully acquired by larger market participants. KITE Pharmaceuticals, a CAR-T cell therapy company, was acquired
outright by Gilead Sciences in 2017 for $11.9 billion in cash, prior to having attained FDA approval and prior to commencing any product sales. In 2018, Juno Therapeutics was acquired by Celgene Corporation for approximately $9 billion, also
without having FDA approval for its CAR-T cell therapy technology. There is no indication or assurance that we are currently under consideration for any option or acquisition deal.
We plan to commence human clinical trials for approval for the Veto Cell based treatments in the United States in mid
2019. We have had positive preclinical results for three of our cell therapy treatments. Yeda, the proprietary owners of the patents underlying our technologies from whom we license our patents, has been granted patents for its original Veto Cell.
The revised versions of the Veto Cell are the subject of patent applications which have been granted in some jurisdictions and are pending in others. These newer patent applications leverage the priority of the already granted patents. We plan to
conduct human clinical trials. If these trials are successful, they will demonstrate both safety (the patients survived and were not harmed) and initial indications of efficacy (there are signs of successful engraftment, and in the case of cancer
patients prolonging the progression free period).
Science and
Technology Overview
The patent portfolio that we license from Yeda, includes a variety of cell therapy applications. The portfolio includes both granted
and pending patents. The total relevant patent portfolio consists of 12 patent “families” (i.e. grouping of similar patent applications in different territorial jurisdictions) which currently include, 38 granted patents, 2 allowed patents and a
further 51 pending patents. The key terms of the agreement pursuant to which we license all ofYeda’s patents related to our technology is set forth in the section entitled “Intellectual Property” herein. The license period (per product, per country)
is for the full life of the patents and expires at the later of the patent expiration date in that country or 15 years after the date that the FDA or local equivalent regulatory authority in each country approves that particular product for sale in
that country. As long as Cell Source either continues or sponsor research or pays either a nominal license fee of $50,000 per year (total for use of all the products) or pays royalties on product sales on at least one product as per the license
agreement, the license will remain in effect continuously and expire only with the expiration of the patent or 15 years after regulatory approval (later of the two) per product per country as described above. Cell Source voluntarily sponsors research
at the Weizmann Institute for the sake of developing its products and treatments from initial invention through to finalization of human treatment protocols. Cell Source extended the initial research period, which originally terminated in October
2014through June 2019. Furthermore, it plans to sponsor research at the Weizmann Institute through June 2019.
Professor Yair Reisner, the inventor of Veto Cell technology, has recently left the Weizmann Institute of Science in
Israel and relocated to the University of Texas M.D. Anderson Cancer Center (“MD Anderson”) in Houston, Texas. He has been awarded a $6 million grant from the Cancer Research and Prevention Institute of Texas. This coupled with research funding
from the University itself, provides him with a total funding commitment of $10 million for five years. Professor Reisner is now the Head of Stem Cell Research at the Department of Stem Cell Transplantation & Cellular Therapy at MD Anderson.
Cell Source is currently sponsoring ongoing research by Professor Reisner and his team, some of whom have also relocated
from the Weizmann Institute to MD Anderson, for developing existing and new applications for Veto Cell technology and plans to license any new intellectual property developed there on an exclusive basis, as it does from Yeda. MD Anderson is the
largest HSCT center in the United States, performing over 1,000 transplantations per year. Cell Source plans to conduct human clinical trials for its Anti-Rejection Anti-Viral Veto Cell at MD Anderson commencing in early 2019. Professor Richard
Champlin (who Chairs their Department of Stem Cell Transplantation and Cellular Therapy and is a longtime associate and collaborator of Professor Reisner) will serve as Principal Investigator for these trials.
Although Yeda has applied for and been granted various patents related to our technology, a granted patent only provides
Yeda, and the Company by virtue of its exclusive license, the right to use the underlying invention. However, in order for our cell-therapy and cancer therapy to be legally sold and administered to patients, the FDA or similar regulatory agencies
must approve its use. In other words, having a patent provides legal “freedom to operate” for a certain technology, and may provide the ability to prevent others from using the same technology without the patent holder’s permission. However, in
order to legally manufacture and distribute products, a company must go through all of the typical approval steps delineated in the “Overview” section above.
The following sections provide an overview of each platform. Further information on the underlying science is available
upon written request and the execution of an appropriate nondisclosure agreement.
Our licensed technology portfolio consists of 12 patent families, 38 granted patents, 2 allowed patents and a further 51
pending patents. The following table lists the patents and patent applications that Yeda holds and which we have a license to use in each of the below-referenced countries:
Name: VETO CELLS EFFECTIVE IN PREVENTING GRAFT REJECTION AND DEVOID OF GRAFT VERSUS HOST POTENTIAL
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Country
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Patent Number
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Filed
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Expires
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Status
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Assignee
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USA (Basic)
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6,544,506
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05-Jan-2000
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05-Jan-2020
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Granted
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Yeda Research and Development Co. Ltd.
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USA (National Phase)
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7,270,810
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28-Dec-2000
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5-Dec-2021
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Granted
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Yeda Research and Development Co. Ltd.
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Israel
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150440
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28-Dec-2000
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28-Dec-2020
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Granted
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Yeda Research and Development Co. Ltd.
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Name: ANTI THIRD PARTY CENTRAL MEMORY T CELLS, METHODS OF PRODUCING SAME AND USE OF SAME IN TRANSPLANTATION
AND DISEASE TREATMENT
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Country
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Patent Number
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Filed
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Expires
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Status
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Assignee
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USA
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2011-0212071-A1
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29-Oct-2009
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29-Oct-2029
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Granted
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Yeda Research and Development Co. Ltd.
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Europe
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2365823
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29-Oct-2009
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29-Oct-2029
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Granted
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Yeda Research and Development Co. Ltd.
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Israel
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212587
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29-Oct-2009
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29-Oct-2029
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Granted
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Yeda Research and Development Co. Ltd.
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India
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905/MUMNP/2011
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29-Oct-2009
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29-Oct-2029
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Granted
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Yeda Research and Development Co. Ltd.
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China
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ZL200980153053.4
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29-Oct-2009
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29-Oct-2029
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Granted
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Yeda Research and Development Co. Ltd.
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Russian Federation
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2506311
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29-Oct-2009
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29-Oct-2029
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Granted
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Yeda Research and Development Co. Ltd.
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Name: USE OF ANTI THIRD PARTY CENTRAL MEMORY T CELLS FOR ANTI-LEUKEMIA/LYMPHOMA TREATMENT
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Country
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Patent Number
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Filed
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Expires
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Status
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Assignee
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USA
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9,421,228
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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USA
(Continuation)
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2016-0354410-A1
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08-Sep-2011
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08-Sep-2031
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Pending
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Yeda Research and Development Co. Ltd.
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Japan
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2013-527738
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Canada
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2,810,632
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08-Sep-2011
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08-Sep-2031
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Pending
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Yeda Research and Development Co. Ltd.
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China
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CN 103282047 A 9
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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China
(Divisional)
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CN 105907713 A
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08-Sep-2011
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08-Sep-2031
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Pending
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Yeda Research and Development Co. Ltd.
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Israel
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225102
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Republic of Korea
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2013-7008892
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Brazil
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BR 11 2013 0057564
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08-Sep-2011
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08-Sep-2031
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Pending
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Yeda Research and Development Co. Ltd.
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Mexico
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357746
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Singapore
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188473
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Europe
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2613801
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Hong Kong
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14100513.2
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08-Sep-2011
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08-Sep-2031
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Granted
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Yeda Research and Development Co. Ltd.
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Name: ANTI THIRD PARTY CENTRAL MEMORY T CELLS, METHODS OF PRODUCING SAME AND USE OF SAME IN TRANSPLANTATION AND DISEASE TREATMENT
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Country
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Patent Number
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Filed
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Expires
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Status
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Assignee
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USA
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15/825,275
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Europe
|
|
2753351
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Hong Kong
|
|
1200099A
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Japan
|
|
2014-529143
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Canada
|
|
2,848,121
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
China
|
|
CN 103930130 A
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Australia
|
|
2012305931
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Republic of Korea
|
|
10-2014-7009267
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
New Zealand
|
|
622749
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
South Africa
|
|
2014/01993
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
India
|
|
577/MUMNP/2014
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Israel
|
|
231397
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Russian Federation
|
|
2014110897
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Brazil
|
|
BR 11 2014 005355 3
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Mexico
|
|
351226
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Singapore
|
|
11201400513P
|
|
06-Sep-2012
|
|
06-Sep-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
Name: GENETICALLY MODIFIED ANTI-THIRD PARTY CENTRAL MEMORY T CELLS AND USE OF SAME IN IMMUNOTHERAPY
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
USA
|
|
2018-0207272-A1
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Europe
|
|
3322425
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
China
|
|
201680053580.8
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Japan
|
|
2018-501339
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Hong Kong
|
|
18114191.8
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Israel
|
|
256916
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Canada
|
|
2,991,690
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Australia
|
|
2016291825
|
|
14-July-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name: USE OF ANTI THIRD PARTY CENTRAL MEMORY T CELLS
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
China
|
|
CN 108025026 A
|
|
14-Jul-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Europe
|
|
3322424
|
|
14-Jul-2016
|
|
16-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name:
METHODS OF TRANSPLANTATION AND DISEASE TREATMENT
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
USA
|
|
2018-0207247-A1
|
|
14-Jul-2016
|
|
14-Jul-2036
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name: VETO CELLS GENERATED FROM MEMORY CELLS
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
USA
|
|
16/313,486
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Japan
|
|
2018-567129
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Canada
|
|
3,029,001
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Australia
|
|
2017289879
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
India
|
|
201927002672
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Israel
|
|
263924
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Russian Federation
|
|
2019101826
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Mexico
|
|
MX/a/2019/000022
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Republic of
Korea
|
|
10-2019-7002824
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Singapore
|
|
11201811563R
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Europe
|
|
62/354,950
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
China
|
|
62/354,950
|
|
27-Jun-2017
|
|
27-Jun-2037
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name: METHODS OF TRANSPLANTATION AND DISEASE TREATMENT USING ANTI-THIRD-PARTY CTL VETO CELLS
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
USA
|
|
2018-0200300-A1
|
|
18-Jan-2018
|
|
18-Jan-2038
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name: GENETICALLY MODIFIED VETO CELLS AND USE OF SAME IN IMMUNOTHERAPY
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
PCT
|
|
WO2018/134824
|
|
18-Jan-2018
|
|
18-Jan-2038
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name: A COMBINATION THERAPY FOR A STABLE AND LONG-TERM ENGRAFTMENT
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
Singapore
|
|
10201801905W
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Mexico
|
|
MX/a/2014/007647
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Russian Federation
|
|
2014128479
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Israel
|
|
233303
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Allowed
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
India
|
|
1468/MUMNP/2014
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
South Africa
|
|
2014/05071
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
New Zealand
|
|
627272
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Republic of Korea
|
|
10-2014-7020449
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Australia
|
|
2012355990
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Canada
|
|
2,859,953
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Europe
|
|
2793914
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
USA
|
|
2014-0363437-A1
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Allowed
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Hong Kong
|
|
15103467.1
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
Name: A COMBINATION THERAPY FOR A STABLE AND LONG TERM ENGRAFTMENT USING SPECIFIC PROTOCOLS FOR T/B
CELL DEPLETION
|
|
|
|
|
|
|
|
|
|
|
|
Country
|
|
Patent Number
|
|
Filed
|
|
Expires
|
|
Status
|
|
Assignee
|
|
|
|
|
|
|
|
|
|
|
|
Singapore
|
|
11201403456U
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Mexico
|
|
MX/a/2014/007648
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Brazil
|
|
BR 11 2014 015959 9
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Russian Federation
|
|
2014129632
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Israel
|
|
233302
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
India
|
|
1467/MUMNP/2014
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
South Africa
|
|
2014/05298
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
New Zealand
|
|
627549
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Australia
|
|
2012355989
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Australia (Divisional)
|
|
2016259415
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
China
|
|
CN 104093314 A 4
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Canada
|
|
2,859,952
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Japan
|
|
6,313,219
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Granted
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Europe
|
|
EP2797421
|
|
20-Dec-2012
|
|
20-Dec-2032
|
|
Pending
|
|
Yeda Research and Development Co. Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
USA
|
|
2014-0369974-A1
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20-Dec-2012
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20-Dec-2032
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Pending
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Yeda Research and Development Co. Ltd.
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Hong Kong
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15103468.0
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20-Dec-2012
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20-Dec-2032
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Pending
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Yeda Research and Development Co. Ltd.
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Veto Cell Technology
Platform
Background
Our Veto Cell technology is a next generation immunotherapy technology that enables the selective attenuation of the
immune system. In other words, pre-clinical studies suggest that the treatment has the ability to reduce the immune response to selective “threats,” with low risk for adverse side effects.
What makes the Veto Cell approach distinctive is the degree to which it leverages the inherent specificity of the human
immune system. The immune system defends the body by creating a specific stream of T-cell clones for each of millions of individual threats. A given T-cell will attack only its specific target, ignoring all other threats. Our technology might
enable the physician to selectively attenuate immune response, thus effectively “switching-off” an individual stream of T-cell clones without affecting any other such streams of T-cell clones dispatched by the immune system to attack unwanted
incursions.
The technology is based on the discovery that certain T-cells can acquire the property of attracting and proactively
neutralizing immune attacks on them.
The technology has achieved distinctive results in animal live trial models.
See, e.g.
, Eran Ophir et al.
Murine anti-third party central-memory CD8+ promote
hematopoietic chimerism under mild conditioning: lymph-node sequestration and deletion of anti-donor
T cells
, BLOOD, Feb. 14, 2013, at
1220;
Towards off-the-shelf genetically modified T cells: prolonging functional engraftment in Mice by CD8 veto T cells,
Leukemia (2017) Dec.
27, 2017 at 1034. If it succeeds in human clinical trials, we believe that it may have meaningful and potentially broad impact on the field of bone marrow transplantation:
1)
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Significantly improve outcomes of transplantations by reducing the host (transplant recipient) rejection rate
of T-cell depleted stem cells (e.g. from bone marrow) – thus supporting successful engraftment of the transplanted cells, which is the treatment for the blood cancer itself. In order to improve the safety of this cancer treatment, Veto
Cell technology has shown in preclinical studies that it can markedly reduce both the risk of GVHD and the need for using aggressive amounts of immunosuppression medications, as well as preventing viral infections that typically threaten
patients post transplantation. This safer means of deliver stem cell transplants would significantly reduce the HSCT mortality rate and therefore lead to broader use of this treatment.
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2)
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Substantively increase the number of transplantations by enabling successful engraftment under lower levels of
immune suppression and therefore making the therapy accessible to older and sicker patients (who today may not survive ablation).
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3)
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Further increase the number of transplantations by making transplantation appropriate for other indications
(for which today transplantation would be considered an inappropriately risky treatment).
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In addition, our Veto Cell technology may possibly play a role in the treatment of a number of serious and currently
poorly treated non-malignant diseases. Furthermore, initial animal trials have shown potential anti-lymphoma activity. Finally, based on preclinical studies using genetically modified cells, we believe that Veto Cells will be able to act as
critical enabler for other cell therapies, most notably CAR-T cell therapy, which has recently shown strong initial indications of being effective in cancer treatment.
Yeda, has filed two patent applications that extend the usage of Veto Cell technology as a critical enabler for other
cell therapy treatments. These patents have entered the national phase. One patent application highlights, based on preclinical data, the ability of Veto Cells to accompany other cell therapy treatments and help them overcome rejection and avoid
Graft vs. Host Disease (GVHD) in an allogeneic (using a third party donor) treatment setting. The other patent application involves a genetically modified Veto Cell that can have sustained survival in the patient’s body while avoiding rejection
and GVHD. Both of these applications hold the potential to make CAR-T cells, which to date been effective primarily in an autologous (patient’s own cells) setting, succeed in an allogeneic setting. What follows is a description of the
significance of these two new patent applications:
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Gene modified cell therapy is considered to be one of the most promising cancer treatment approaches in decades, with companies like Kite Pharma and JUNO
Therapeutics having recently been acquired at multi-billion dollar valuations after having successfully treated relatively small numbers of patients in clinical trials.
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While gene modified treatments such as CAR-T have shown remarkable results in cancer treatment trials, their published successes to date have been mostly
limited to “autologous” blood cell cancer treatments using the patient’s own cells. There are concerns that this type of “personalized” treatment may not have favorable economics on a large-scale basis.
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The ideal, more lucrative commercial path for CAR-T and similar genetically engineered cell therapies is to become “allogeneic” or off-the-shelf product
with drug-like distribution economics and to treat a broad spectrum of cancers including solid tumors.
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Cell Source licenses Yeda’s patent applications for combining Veto Cells with genetically modified T cells and is currently exploring active collaboration
with CAR-T cell providers to move Veto and CAR-T combined cell therapy towards the clinic.
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Cell Source has recently begun a collaboration, through its licensing agreement with Yeda, with Professor Zelig
Eshhar, the inventor of CAR-T cells. Professor Eshhar, has served as both a scientist at the Weizmann Institute and on the Scientific Advisory Board of KITE Pharma. This collaboration is meant to confirm the strength of combining Veto Cell
technology with CAR-T cell therapy. Once the preclinical proof of concept is completed, Cell Source plans to produce its own independent off-the-shelf CAR-T + Veto cell treatment for blood cell cancers and, eventually, solid tumors.
Furthermore, Yeda has filed a patent application, licensed to Cell Source, which is now in the national phase, for an
Anti-Viral Veto Cell. Below is an explanation of the potential for this application:
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Other than primary disease (typically blood cell cancer) the leading causes of death in unrelated donor bone marrow transplants are rejection, GVHD (Graft
vs. Host Disease), where the donor bone marrow rejects the host or recipient), and infections, which collectively are responsible for 30% of deaths after unrelated donor transplants within the first 100 days post-transplant.
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It is well established that GVHD can be prevented by T cell depletion of the bone marrow transplant. However, this procedure is also is associated with an
increased rate of graft rejection. Preclinical studies clearly suggest that this problem can be overcome by adding Veto Cells to the bone marrow transplant. However, viruses such as CMV and EBV remain a major threat to patients
post-transplant.
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Cell Source has developed a next generation Veto Cell that not only facilitates mismatched transplants but also protects the transplant recipient against
these common viruses. During the initial period after a stem cell transplantation the patient’s body undergoes an immune system reconstitution period. While the “new” immune system is building up, the patient is particularly
vulnerable to viral infections such as CMV, an infection that is typically development in about half of bone marrow transplant recipients during the first 100 days post transplantation. Veto cells can fend off CMV until such time as
the patient’s own immune system reconstitutes to the point that it can fight off the infection on its own.
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Combining GVHD prevention by using T cell depleted transplants with anti-rejection action as well as virus prevention, Veto Cell could potentially
significantly increase survival rates post-transplant.
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Based on preclinical data, veto cells can also be used to facilitate organ transplants (e.g. kidney transplant combined with a bone marrow transplant) with
partially mismatched donors and either reduce or eliminate the need for lifelong daily anti-rejection treatment currently given to even fully matched donor organ recipients.
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Cell Source is currently in the process of attaining regulatory validation for the production of its Anti-Viral Veto Cells in Europe and plans to commence
human clinical trials in the US in 2019.
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Mechanism
Our Veto Cell is a CD8 central memory anti-3rd party T-cell that has five critical properties:
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It has an outer surface coating that triggers attack by specific host T-cells (and only those specific
T-cells).
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It can annihilate an attacking T-cell without itself being damaged (specifically, it exposes or releases a
death-signaling molecule when an attacking T-cell binds to it).
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3)
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It has been oriented to attack cells of a simulated third party (i.e., neither host nor donor) and thus
exhibits markedly reduced risk of GVHD or graft rejection.
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4)
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It is long-lived and endures in the body for extended periods.
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5)
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It migrates to the thymus and lymph nodes.
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The outcome is that when a large number of these cells are introduced into the body, they effectively eliminate the
T-cell clones that the immune system dispatches to attack the desirable, transplanted bone marrow cells.
Thus, for example, if a population of Veto Cells is derived from a donor, they will express the same peptide as do the
donor’s cells. Therefore, the specific stream of host T-cells that would ordinarily attack the donor stem-cells, are instead directed to “decoy” Veto Cells and disabled before they reach the transplantation.
Described in a Blood editorial as a “substantial advance in Cell Therapy,” a notable characteristic of our Veto Cell is
that this mechanism is quite specific. Only those specific T-cell clones that were generated to attack cells from this specific donor are disabled. The rest of the immune system essentially remains intact.
This is in marked contrast with conventional immunosuppression which degrades the entire immune system and is therefore
associated with severe risk of infection and, in the case of bone marrow transplantations, high mortality.
This effect is long-lived. Firstly, the Veto Cells themselves are long-lived memory cells. Secondly, when infused with
stem cells the latter migrate to the thymus where, over time, they create a new “identity” in the host and initiate “chimerism” where the host and donor cells peacefully co-exist. This chimerism has the effect of "educating" new T-cells being
generated by the thymus to tolerate donor cells and this tolerance can become permanent. Furthermore, by inducing permanent tolerance to donor cells, Veto Cells may be able to enable both acceptance (i.e. mitigate both host rejection and GvH
rejection) and thus persistence (i.e. extended survival resulting in enhanced efficacy) of important cell therapy treatments such as CAR-T cells, TCRs and NK cells in treating both blood cell and solid tumor cancers. Beyond this, Veto Cells can be
directed not only to kill host anti-donor rejecting cells, but also common viruses such as EBV and CMV that are a common cause of post-transplantation morbidity and mortality.
Target Indications
Our Veto Cell technology, an intravenously administered cell suspension, if successful, could initially be used in stem
cell (e.g. bone marrow) and other transplantations associated with malignant disorders (i.e., cancers). At a later stage, Veto Cell technology may be applied to selected non-malignant conditions. The following sections provide a brief overview of
the use of the Veto Cell technology in both of these scenarios.
i.
Stem Cell Transplantation
In order to describe the effect of Veto Cells in transplantation, it is helpful to first briefly review the state of the
art:
In a conventional stem cell transplant, the recipient first receives myeloablative conditioning - powerful chemotherapy
and/or radiation therapy intended to destroy his/her own bone marrow cells. This has a threefold purpose:
1)
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It destroys the host T-cells so they will not attack (reject) the donor bone marrow cells.
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It makes space in the host bone marrow for the new donor cells.
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3)
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It destroys diseased host blood cells so that they do not proliferate and cause relapse following the
procedure.
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In practice however, there are two major problems:
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Host rejection - the myeloablative conditioning does not destroy all of the host T-cells. Those that remain
may aggressively attack the donor bone marrow cells before they can engraft.
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“Graft versus Host Disease” (GVHD) - the transplanted cells include donor T-cells which recognize the host's
body as foreign and attack it.
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Viral infections are a common complication from HSCT and result in 20% of early patients deaths in
unrelated-donor transplants in the US
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Rejection, GVHD and viral infections are all potentially life-threatening complications in and of themselves and also
lead to the use of dangerous and costly immunosuppression medications.
ii.
Veto Cell in Transplantation
The Veto Cell technology addresses not only rejection but also GVHD and infections. In a transplantation scenario, a
population of donor Veto Cells is created to “escort” the bone marrow cells when they are transplanted. This population is created by identifying donor cells with Veto Cell properties, exposing them to simulated 3rd party cells (i.e., selecting
only those that react to a third person and therefore by definition will not react to either host or donor), and expanding their population in the lab.
The Veto Cells are then introduced into the host along with the transplanted stem cells. The host mounts its normal
immune response to the donor cells by generating a population of T-cell clones that will bind to any cells expressing markers from this specific donor. In a conventional transplantation, these T-cells would bind to and destroy donor stem-cells thus
causing rejection of the transplant.
However, when the transplantation is accompanied by large numbers of Veto Cells, this rejection mechanism is “ambushed.”
Since the Veto Cells express the same donor markers as the stem-cells, the host T-cell clones will attempt to bind to the donor-derived Veto Cells as noted above, which act as decoys by attracting and then counterattacking and killing the clones
before they ever reach the bone barrow transplantation. These same Veto Cells can potentially be used to concurrently counterattack viruses such as CMV and EBV which are a common source of infections that threaten HSCT patients. Based on
additional preclinical data, in June of 2016 Yeda filed a U.S. provisional patent application, which has since entered the national phase, also licensed by Cell Source, which shows the ability of Veto Cells to be directed against these types of
viruses typically cause infections in bone marrow transplant patients. This additional functionality, when combined with attacking host anti-donor rejecting cells, may even further enhance survival rates for patients.
iii.
Direct Anti-Cancer Effect
HSCT are well known to be an effective treatment for hematological malignancies. Making these treatments safer and more
accessible by reducing the need for harmful immune suppression, avoiding GVHD and fending off common post-transplantation viruses are expected to facilitate, through successful Veto Cell treatments, a broader and more successful use of HSCT for not
only the most severe cases, but also for older or weaker patients who are not capable of tolerating high intensity conditioning (high levels of radiation and chemotherapy). This is expected to significantly increase the number of patients who can
receive successful cancer treatments that require allogeneic HSCT.
A further direct anti-tumor effect of Veto Cells, which complements and bolster the effect of HSCT as described above,
has been noted in mouse and in-vitro studies: donor Veto Cells selectively attack host lymphoma malignant cells. This effect has been robust in animals, in fact completely eradicating lymphoma in mouse models. While the direct anti-cancer effect
has been documented for human B cell malignant lines, since Cell Source intends to combine Veto Cell powered HSCT with CAR-T cell therapy for blood cell cancers into a single treatment, this anti-tumor effect will simply serve as a complement to
the cancer killing of the CAR-T cell.
iv.
Enabling Third Party Cell Therapies
Based on preclinical studies using genetically modified cells, in July of 2015 Yeda filed two U.S. provisional patent
applications, both of which have since entered the national phase, which are also licensed exclusively by Cell Source on a worldwide basis. These patent applications show the ability of Veto Cells to enhance the performance of cell therapy
treatments involving genetically modified receptors. When combined with CAR-T or TCR cell therapy for example, these would potentially greatly enhance the ability of these treatments to be used in an allogeneic or “off-the-shelf” setting, and also
increase their efficacy by avoiding both rejection and GVHD, thus increasing their persistence (survival in the patient’s body).
This combined Veto Cell + CAR-T or similar treatment is expected to result in broadly applicable effective treatments
for both blood cell cancers and, eventually, a variety of solid tumor cancers as well.
v.
In Non-Malignant Diseases
There are two major categories of non-malignant disorders that the Veto Cell technology aspires to address: organ
transplantation and non-malignant hematological disorders.
In the case of organ transplantations and congenital non-malignant hematological disorders, the goal of the Veto Cells
is to enable transplantation (bone marrow or organ) by reducing host/donor immune system conflicts. This could potentially allow for mismatched (partial vs. full identity match between donor and host) kidney transplants, for example, and also
obviate the need for lifelong daily anti-rejection medication which is the current standard of care. Such an outcome could improve quality of life, reduce cost of care and significantly increase life expectancy for a broader audience of prospective
transplant recipients.
In the case of congenital non-malignant diseases such as sickle cell disease and aplastic anemia, the body’s bone marrow
produces “flawed” cells. An effective treatment is HSCT which replaces the flawed host bone marrow with healthy donor cells. These cells then produce healthy blood cells, basically curing the anemia. As noted elsewhere however, today HSCT is a
risky procedure because of the graft/host immune conflicts. It is therefore used infrequently to treat sickle cell disease. The Veto Cell tolerizing technology would increase the target population for this treatment by significantly reducing these
conflicts and by extension the procedure’s risk.
Development Status
The Veto Cell platform has been extensively tested by in vitro studies (on both human and mouse disease) and confirmed
in animal trials. The results appear to be consistently effective.
The following images show some example data from the Veto Cell animal studies. Skin of black mice has been grafted onto
the backs of white mice. The data show that T-cells from host and donor mice are fully coexisting in the treatment group using the Veto Cells (“chimerism”).
2. Successful bone marrow transplantation under reduced levels of immune suppression:
The anti-rejection effect in the data below shows mice with lymphoma treated with Veto Cell therapy.
The control group mice (left side) all die by day 27. By contrast, the Veto Cell treatment group (right side) show far
better results.
Administration
We envision that Veto Cell therapy will be administered in an in-patient setting, typically as part of the existing
preparation procedures for bone marrow transplantations. Blood will be taken from the donor. The frozen blood will be sent to a regional Company center where the Veto Cells will be developed and expanded - a process that lasts up to two weeks. The
Veto Cells will then be sent to the transplantation center where they will be infused to the patient intravenously along with the transplantation.
Patent Status
The earlier versions of the Veto Cell, both the original and the more recent “TcM’ version of the Veto Cell were granted
patents in the US, Mexico, Europe, China, Japan, Hong Kong, Korea, Singapore, Israel, India and the Russian Federation as well as Australia, New Zealand and South Africa. The more recent patent applications for the Genetically Modified Veto Cell
and the Anti-Viral Veto Cell are both now in the national phase in a broad set of jurisdictions.
Development Roadmap
The Veto Cell platform roadmap comprises two main programs as outlined in the table below. The specific clinical trials
planned for each are detailed in the Clinical Trials section of this document.
Offering
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Objective
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Major Activities
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Estimated Start Date
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Anti-Rejection,
Anti-Viral Veto Cell
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Validate and introduce new commercial treatment to increase engraftment of allogeneic bone marrow transplantations
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1. Regulatory approval and treatment protocols
2. Conduct human clinical trials
3. Develop plan for commercial exploitation
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Initiate a human clinical trial in the US by 2019
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Commence human trials in Europe in 2020
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Veto – CAR-T Cell Therapy
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Validate the possibility of combining Veto Cell treatment with CAR-T cell treatment for both blood cell cancer and solid tumor
cancer treatment
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4. Collaboration with Zelig Eshhar, inventor of Car-T cells
5. Validate combined treatment model in clinical trials
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Proof of concept in completion in 2019
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Commence human trials in 2021 or 2022
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Products and
Services
Currently, we do not have any products, and there is no assurance that we will be able to develop any products.
The following products are currently planned:
1.
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“Anti-rejection,
Anti-Viral” Veto Cell tolerance therapy for donor mismatched allogeneic bone marrow transplantations
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This is our flagship (as an initial platform for increasing transplantation success) and is focused
on allogeneic stem cell transplantations. Treatment will comprise infusion of Veto Cells derived from the donor and processed in a Company (or subcontracted) facility that will be accessible to the transplantation center at the time of
transplantation.
2.
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“Anti-cancer”
Veto + CAR-T cell therapy for blood cell and, eventually, solid tumor cancers
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This therapy is expected to comprise an infusion of donor derived cells that is expected to be
combined with CAR-T cell therapy as an “off-the-shelf” treatment.
3.
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“Anti-rejection”
Veto Cell tolerance therapy for donor mismatched organ transplantatio
n.
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This treatment would be combined with bone marrow transplantation in order to broaden the prospective
donor pool and mitigate the need for chronic post-transplant anti-rejection therapy
4.
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Veto Cell tolerance therapy for non-malignant disorders.
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This is the application of Veto Cell technology to treatment of non-malignant (i.e., non-cancerous)
diseases, as discussed in the Technology section. Target indications for Veto Cell therapy for nonmalignant disorders are likely to be: tolerizing therapy for allogeneic transplantations for sickle cell anemia and aplastic anemia (by using stem
cell transplantations as referenced in no. 2 above) and tolerizing therapy for a broader range of congenital immune system related disorders.
Our Overall
Development Status and Future Development Program
Prior to commercializing its products, the Company must conduct human clinical trials and obtain FDA approval and/or
approvals from comparable foreign regulatory authorities.
Generally speaking, as a preclinical biotechnology firm, Cell Source needs to go through several necessary steps in
order to commercialize its products and commence revenue generation. These steps are per product, but can run in parallel for multiple products, which are each in different stages of the development “pipeline”, so that, for example, when a certain
product is already in a human clinical trial, another product may still be in preclinical development and a third may be awaiting regulatory approval to commence human trials. These can also take place in parallel, and varied stages, for the same
product in different geographic jurisdictions. The typical steps per product (and range of time frame for each) are:
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Complete development of human treatment protocol (2-5 years)
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2)
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Apply for and receive approval to commence human trials (9-18 months)
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Recruit patients (1-6 months)
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Conduct Phase I trials showing safety of product (1-2 years)
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Apply for and receive approval to conduct trials showing product efficacy (6-12 months)
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Data collecting and analysis (6-12 months)
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Conduct Phase II efficacy trials (2-3 years)
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Data collecting and analysis (6-12 months)
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Apply for and receive approval to conduct trials showing efficacy in larger numbers of patients (6-12 months)
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Conduct Phase III efficacy trials with larger numbers of patients (2-4 years)
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Data collecting and analysis (6-12 months)
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12)
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Apply for and receive approval for production scale manufacturing facilities (6-12 months)
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13)
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Contract third party or establish own production facilities (6-30 months)
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14)
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Contract third party or establish own distribution platform (6-18 months)
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15)
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Commence manufacturing and distribution (6-12 months)
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Notably, steps 12-15 can be conducted in parallel with some of the steps above. In the case of Cell Source and other
firms that treat terminal patients with either rare diseases or those for which there is currently no effective treatment, or where preclinical studies indicate a reasonable expectation to increase life expectancy and survival rates by a
substantive margin, several of these steps can be combined and or shortened, subject to regulatory discretion. For example, Phase I and II (safety and efficacy) can be combined in a single concurrent step; approvals for subsequent steps can be
accelerated; in some countries patients can already be treated commercially after the end of Phase II, foregoing the requirement for Phase III data.
The specific detailed next steps the company must take to get the treatments or products to market include the
following:
In the case of the Megadose Drug Combination, the Hematology and Bone Marrow Transplantation Unit of the University of
Parma in Italy on May 14, 2014 requested and on October 23, 2014 obtained approval from the Italian Medicine Association (the Italian equivalent of the U.S. FDA) to conduct human clinical trials using the “Megadose + Drug Combination.” While we are
not mentioned in the application nor in the approval, we may indirectly benefit from the outcome of the trial, if successful, although we are not the sponsor of this trial. There are no written or verbal agreements between the hospital and Cell
Source regarding the use of the technology. That said, Cell Source is aware and in favor of the hospital plans to use the technology and would of course find a positive initial outcome encouraging. Since the treatment is being done on compassionate
grounds as a non-commercial clinical trial, there is no legal requirement for the hospital to obtain approval to use the treatment protocol. The hospital has successfully treated the first cancer patient using the Megadose Drug Combination
technology that Cell Source exclusively licenses from Yeda. The patient who was suffering from late stage multiple myeloma, was released from hospital within a month of being treated and has since been cancer free for over four years, with no
GVHD, as initially reported in
Blood Advances
, vol. 1 no. 24 2166-2175 which was published online October 27, 2017.
While Cell Source is not a sponsor of the trial, the results provide a positive initial indication with respect to the
technology. The patient received a bone marrow transplantation from a haploidentical or “mismatched” donor under a reduced intensity conditioning regimen (i.e., a relatively low level of immune suppression treatment). There was successful initial
engraftment of the transplantation in the absence of GVHD.
In November of 2018, we executed a sponsored research agreement with MD Anderson Cancer Center in Texas. In February of 2019, we
executed a second agreement with MD Anderson for the production of Veto Cells and the conducting of a Phase I/II FDA trial for the Anti-Rejection, Anti-Viral Veto Cell. The treatment protocol was submitted to the FDA by MD Anderson in February of
2019. Cell Source has conducted Veto Cell production development in cooperation with the Medical Center at the Julius Maximilian University of Würzburg in Germany. The final version of the cell production protocol that was submitted to the FDA is
currently being in the process of being prepared for submission for regulatory approval in Germany.
For the Anti-Rejection, Anti-Viral Veto Cell product candidate, Cell Source expects to commence Phase I/II
human clinical trials in the US starting sometime in 2019 and in Europe starting in 2020. Cell Source anticipates that the US Phase I/II trial will last until 2021 or 2022. This would be followed by completion of a Phase II trial and Phase III
trial, which would last another 2-3 years each, so that full approval, if successful, would be expected sometime in 2026. In both the US and Europe there is a possibility of approval for commercial use on a “conditional” basis at the end of Phase
II, which could take place by 2024. In 2018, Cell Source entered into a collaboration with Professor Zelig Eshhar, the inventor of CAR-T cell therapy, with respect to combining CAR-T cell therapy with Veto Cell therapy and commenced a
pre-clinical proof of concept trial. If successful, this could lead to a commencement of a CAR-T Veto Cell FDA trial in 2021 or 2022, which may last until 2027 or 2028.
It is possible that Cell Source treatments could qualify for any or all of Fast Track, Breakthrough Therapy, Accelerated
Approval, RMAT or Priority Review designation under the FDA, which would hasten their approval if successful. The estimated costs for each step of development, in terms of clinical trials, are delineated below:
Cell Source estimates the cost of clinical trials alone to be up to $5 million over the coming two years and another
$25-50 million in order to reach commercialization for the Veto Cell products. This would mean that Cell Source will need to secure one or more significant capital infusions in order to reach the point that meaningful revenues could be generated.
The following table summarizes the development plan through 2024:
Competition
The development and commercialization of new cell therapies is highly competitive. Our products are focused on treatment
of blood cancers, non-malignant blood disorders and organ transplantations. Various products are currently marketed for the treatment of blood cancers. A number of companies are also developing new treatments. In addition to competition from a
variety of other nascent unconventional medical treatments, we also face competition from established pharmaceutical and biotechnology companies, as well as from academic institutions, government agencies and private and public research
institutions worldwide. For instance, our competitors include the technology developed by Kiadis Pharma, MolMed and Bellicum Pharmaceuticals for facilitating haploidentical HSCT with reduced incidence of GVHD. All three of these are using high
intensity conditioning and are therefore less safe than the reduced intensity conditioning Cell Source plans to provide, and also all are still showing, while reduced, marked incidence of both acute and chronic GVHD, whereas Cell Source plans to
virtually eliminate GVHD for HSCT patients. A number of companies are developing alternative approaches for addressing allogeneic BMT including umbilical cord blood solutions (e.g. Gamida Cell), treatment of post-transplant GVHD (e.g. Mesoblast).
Cell Source believes that its all-in-one solution for addressing engraftment, GVHD and viruses as well as inbuilt additional anti-tumor effect will provide, once successful in trials, an attractive alternative for physicians as the safety
associated with a reduced intensity conditioning regimen combined with the compound benefits addressing major HSCT patient issues can provide a compelling treatment approach for a broad set of patients who require allogeneic HSCT.
In the area of Chimeric Antigen Receptor (CAR) technology, both Novartis and Kite Pharma (now part of Gilead Sciences),
have received FDA approval for their lead treatment candidates. JUNO Therapeutics (now part of Celgene) Inc. and Bluebird Bio (in collaboration with Celgene) are currently in human trials for Car-T cell therapy. The success of their patient
treatments to date has chiefly been confined to treatment hematological malignancies using the patient’s own cells. This autologous treatment approach brings with it both high costs (Novartis’ Kymriah at $475,000 per treatment; Gilead (KITE)
Yescarta at $373,000 per treatment) as well as quality and safety issues. While some companies (e.g. Cellectis – in partnership with Servier and Pfizer, more recently under license to Allogene) have presented allogeneic CAR-T data, there has been
very limited success in this area thus far. A number of companies, including Celyad and Ziopharm, are actively in development of potential off-the-shelf CAR-T cancer therapy solutions. Others are working on TCR, NK and other genetically modified
cell structures for allogeneic cancer treatment.
Cell Source plans to offer allogenic CAR-T with lower costs and better safety outcomes than the currently approved
products and aspires to compete with products that are currently under development but combining increased persistence with enhanced efficacy using Veto Cell technology to overcome rejection of CAR-T cells and, in the case of treating blood cell
cancers, avoid GVHD.
Many of our competitors have significantly greater financial resources and expertise in research and development,
manufacturing, pre-clinical testing, conducting clinical trials, obtaining regulatory approvals and marketing approved products than we do. Earlier stage companies may also prove to be significant competitors, particularly through collaborative
arrangements with large and established companies. While our commercial opportunities may be reduced or eliminated if our competitors develop and commercialize products that are safer, more effective, have fewer side effects or are less expensive
than our own products, we believe that if our human trials show efficacy at the same levels of our animal trials, we would have the potential to develop at least a niche market share. Also, a number of large US cancer centers such as Johns Hopkins
in Baltimore, Fred Hutchinson in Seattle, City of Hope in Duarte, CA and Dana Farber in Boston are conducting clinical trials and providing treatments on a compassionate care basis that can be funded on a not for profit basis and provide
competition to Cell Source.
We expect that our ability to compete effectively will depend upon our capacity to:
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successfully complete adequate and well-controlled clinical trials that demonstrate statistically significant
safety and efficacy and to obtain all requisite regulatory approvals in a timely and cost-effective manner;
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effectively use patents and possibly exclusive partnership agreements with important third-party treatment
providers and collaboration partners to maintain a stable competitive stance for our Technology;
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attract and retain appropriate clinical and commercial personnel and service providers; and
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establish adequate distribution relationships for our products.
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Failure in efficiently developing and executing these capabilities may have an adverse effect on our business, financial
condition or results of operations.
Strategy Overview
Our strategy is based on two underlying drivers: (a) that animal studies show Veto Cell technology to be consistently
effective and have advantages over competitors; and (b) that the lead indications (the most common blood cancers) are relatively common, have high mortality and have limited treatment options today.
Based on the foregoing drivers, we have developed a business plan with the objective of obtaining regulatory approvals
and subsequently launching product sales with a focus on the United States, Europe and Asia.
Key Strategy
Elements
We are pursuing a staged entry strategy. The first several years will be narrowly focused, both in terms of market
segments (blood cancers) and products (Anti-Rejection, Anti-Viral Veto Cell for mismatched HSCT and CAR-T + Veto for direct cancer treatment).
Subsequently, we plan to broaden the segmentation strategy to include additional bone marrow transplantation
indications, major organ transplants combined with HSCT, selected genetic non-malignant diseases and, by combining Veto Cells with CAR-T cell therapy, eventually solid tumor cancers.
Our strategy can be summarized as follows:
Strategy
Element
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Introductory period
(years 1 -3 post FDA approval)
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Years 4+
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Market Segments
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Lymphoma and Leukemia
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Multiple Myeloma
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Same as before plus broader set of solid tumor cancer targets, kidney
and liver
failure, sickle cell anemia beta
thalassemia and other
non-malignant hematological disorders;
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Product Rollout
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Veto Cell therapy for B-cell malignancies
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Veto+CAR-T Veto Cell therapy for both blood cell cancers
cancers
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Veto Cell tolerizing treatment for HSCT and organ transplantation
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Veto Cell therapy for both liquid and solid tumor cancers as well
as non-malignant disorders;
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Customer/ Geographic Focus
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North America
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Western Europe
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China
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North America, Western & Eastern Europe, Australia/New Zealand,
Russia, Brazil, selected Asian markets
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Channels/Go to Market
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Direct relationships with leading transplantation centers
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International production and distribution through partners
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Partnership with global market leaders
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Pricing
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Consistent with other cell therapy offerings currently associated with
transplantations and immuno-oncology
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Potentially higher volume, lower cost for “off the shelf” offerings
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Operations
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Three production centers:
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US
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Western Europe
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Far East
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Initial capacity leased from or situated adjacent to major transplantation
center.
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Regional production centers owned or JV with partners
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Segment Selection
Within the general market for immune therapies, we have selected target market segments (i.e., medical conditions) for
initial focus based on two (2) key criteria:
1)
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Severity of unmet medical need: degree of severity of the indication and the effectiveness of existing
treatments. These criteria help determine the proper regulatory pathway.
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2)
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Technology relevance: relative value of the ability to manage immune response to the treatment of a given
indication.
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We will initially focus on indications that score highly with respect to both criteria (e.g., Multiple Myeloma, AML).
These conditions may qualify for Fast Track status with the FDA, and, due to the cost and relative efficacy of current treatment alternatives, could potentially support profitable price points for effective new treatments.
Product Rollout
Cell Source plans to seek approval initially in the US and Europe and, in parallel but with a delayed start, in China
and possibly Japan. A successful parallel Phase I/II trial in the US and Europe, which could be concluded by 2021 or 2022, would serve as a strong foundation for trials in other countries. Limited sales on a “compassionate grounds” basis may,
depending on qualification for Breakthrough Therapy or other Accelerated Approval designation, commence as early as 2024 or 2025. Full approval by the FDA in the U.S. can take as long as 8 years, or 2027.
Future products may include Veto Cell tolerance inducement therapy for allogeneic stem cell and organ transplantations
as well as Veto + CAR-T cell therapy for blood cancers and, eventually, solid tumor cancers. Following the initial market penetration and establishment of solid market positioning, we plan to broaden the product offering to address a wider variety
of indications which may include custom Veto Cell developments for specific collaborations with other cell therapy treatments. For example, we believe that one area in which we could broaden our product offerings is to utilize our Veto Cell
technology, if successful in humans, to address the rejection problems being faced by companies developing NK, TCR and similar cell therapy products, as an enabler for these treatments to help them overcome some of the rejection and persistence
related performance issues their technology currently seems to be facing. If our Veto Cell technology proves to be successful in humans, we plan to continue to explore such potential applications in the future.
Customer/Geographic
Focus
Assuming positive clinical trials, we will initially focus our sales efforts of Veto Cell anti-rejection therapy on
centers dealing with late stage B-cell malignancies. High profile, high volume HSCT facilities can be targeted to market this treatment.
Current plans are to introduce the products first in North America and Western Europe, and, perhaps concurrently, in
China. Focusing on key transplantation facilities in target geographic markets will allow us to both refine the administration of our products and bolster our reputation in both these and a broader set of geographic markets.
After the introductory period, we plan to expand its activities in its initial markets while simultaneously broadening
geographic coverage. In Stage 2, we plan to initiate active marketing efforts in the remaining Western European countries, Japan, Australia, Eastern Europe, and possibly Russia and India.
Marketing Strategy
The initial target market is concentrated and networked. It comprises the approximately 40 leading transplantation
centers in the target geographies. As discussed in the “Market Access” and “Channels” section, these centers are well connected to each other and tend to quickly share innovations and best practices.
The planned penetration strategy is to introduce Veto Cell into the best-known and most influential centers in North
America and Western Europe, and benefit from the exposure and industry leadership provided by these centers.
This initial penetration strategy includes incorporating some of these centers into clinical trials so as to expose and
involve their medical leadership.
In the longer term, we plan to drive use and awareness within and across the broader oncology community in order to
encourage oncologists to refer their patients to centers that already use our products and therapies and to encourage pull-influence on additional centers to adopt our products and therapies.
The broader provider community will be addressed both through a presence in leading peer-reviewed publications and by
attending conventions where research and best clinical practices are shared, seminars are conducted, and networking opportunities are provided for the physicians.
Operating Strategy
Veto Cell doses are to be prepared by Cell Source facilities or qualified production partners. This is to both protect
trade-secrets and directly control quality during the initial stages.
The graphic below outlines the general operating model in each geographic market.
Patient care facilities send frozen cells to a Cell Source processing center. Most likely, the first processing center
will consist of lab space leased from or adjacent to a large transplantation center. Such a transplantation center has appropriate equipment and infrastructure, along with available production capacity, and will also represent an immediate market
for our offerings for use in their own procedures. The Cell Source processing center processes the cells and sends the treated cells and appropriate protocols back to the caregiver for infusion at time of transplantation.
In the introductory period, we plan on establishing one center in the U.S., one in Western Europe (most likely Germany),
and one in the Far East. Specific locations and timing are to be determined. Initially, we plan to outsource production capacity from existing facilities operated by Contract Manufacturing Organizations (CMO) adjacent to large hospitals, or, where
capacity is available, contract directly with major cancer treatment centers who have accredited GMP facilities and experienced cell production staff for Veto Cell production. Subsequently, sales from these centers can justify and fund stand-alone
facilities.
The general goal of the initial centers is to support the FDA process, provide full coverage for the North American and European
markets, and provide access to the Chinese market. Following the introductory period in each respective market, we may elect to migrate the production facilities from leased space in transplantation center laboratories or contract services with
specialized CMOs to company-owned stand-alone facilities.
In general, we assume a capital cost per stand-alone production facility of $8 million. This estimate is based, in part,
on the projected high costs of GMP “clean rooms,” each of which can cost $1 million to set up. We will need to obtain financing in order to fund the setup of such facilities. There can be no assurance that financing will be available in amounts or
on terms acceptable to us, if at all.
Clinical Trials
Overview
We will initially focus our clinical trials on stem cell transplantation for patients suffering from blood cancers
(lymphoma, leukemia, myeloma), for which our Veto Cell technology constitutes a potential breakthrough. These indications have unmet needs as evidenced by the valuations of leading CAR-T players who thus far have chiefly presented data treating
these diseases.
We expect to initiate a company-sponsored Phase 1/2 clinical trial in early 2019. These trials combine traditional Phase
1 safety trials with Phase 2 efficacy trials inasmuch as they are safety trials conducted on sick patients, so they are able to both establish safety and show initial indications of efficacy concurrently. The goal is to demonstrate safety and
initial efficacy in several indications. Management has structured the trials such that an additional goal of showing initial markers pointing to successful engraftment, in the absence of GvHD, while preventing viral infections, already within
Phase 1/2.
The chart below provides an overview of the current trials plan, which can of course vary based on both finalization of
human protocols and timing or regulatory approvals:
Trial Plans
Trials are planned for the US and Europe. The US trial plans to treat 24 patients. We plan to focus on haploidentical
(donor mismatched) stem cell bone transplantation under reduced intensity conditioning (reduced levels of immune suppression treatment) for B-cell malignancies. We are currently conducting preclinical trials for Veto + CAR-T cell therapy, working
with Zelig Eshhar, the inventor of CAR-T technology. Once we complete a proof of concept, we plan to develop our own independent CAR-T cells and launch a clinical trial for blood cell cancer. In the future, we plan to conduct clinical trials for
solid tumor patients as well. Also, once we have shown safety and efficacy for Veto Cell based stem cell transplants, we plan to combine these with haploidentical kidney transplants in patient trials.
Regulatory Issues
Overview
We are seeking regulatory approval from the U.S. FDA, the European Medicines Agency (“EMA”) in Europe and plan to
approach similar agencies elsewhere for approvals to both produce and sell our products.
We are targeting approval for the production of Anti-Rejection, Anti-Viral Veto Cells in both the United States and
Germany by the end of 2019. We plan to commence human clinical trials for this, our lead product candidate, in the US in 2019 and in Germany in 2020.
Regulatory Process and
Expectations
We have developed and will continue to develop our clinical trial protocols with the support of highly experienced
medical practitioners who have vast experience in working with their local regulators. MD Anderson, for example, as the largest stem cell transplantation center and leading cancer treatment facility in the US, has a thoroughgoing internal protocol
approval process which serves to refine every aspect of each patient protocol, in great detail, in anticipation of any potential issues that the FDA would typically wish to see addressed.
The clinical trials outlined in the previous section are designed to lead to regulatory approval for Veto Cell-based
therapy in treating blood cancers and stem cell transplantation applications and, thereafter, solid organ transplantations and, eventually, solid tumor cancers.
Interim Revenue
Opportunities
While our focus is to conclude Phase 3 approval for cancer treatments, the Company is also exploring complementary
shorter-term opportunities for generating revenue before additional FDA approvals are received, namely:
1)
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Treating patients after the end of Phase 2 (based on US Fast Track approvals and/or European Marketing
Authorization Approvals) with either partial or full insurance reimbursement available); and
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2)
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Potential upfront and milestone driven licensing revenues from collaborations with third parties.
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Intellectual
Property
Pursuant to the Yeda License Agreement, Yeda granted the Company an exclusive worldwide license to certain patents,
discoveries, inventions and other intellectual property generated (together with others) by Professor Yair Reisner at the Immunology Department at the Weizmann Institute. Under the Yeda License Agreement, The Company grants Yeda a 4% royalty on
sales of patented products. Currently, the Company voluntarily funds research (on its own behalf) at the Weizmann Institute for the preclinical development of its products and plans to do so through June 2019. Should the Company elect to curtail
such funding, it would have to pay a $50,000 annual license fee until such times as payment of royalties commences. The Yeda License Agreement also requires the Company to proceed with the development of the technologies on a timely basis.
The license period (per product, per country) is for the full life of the patents and expires at the later of the patent
expiration date in that country or 15 years after the date that the FDA or local equivalent regulatory authority in each country approves that particular product for sale in that country. As long as Cell Source sponsors research or pays either a
nominal license fee of $50,000 per year (total for use of all the products) or pays royalties on product sales on at least one product as per the license agreement, the license will remain in effect continuously and expire only with the expiration
of the patent or 15 years after regulatory approval (later of the two) per product per country as described above. Cell Source voluntarily sponsors Research at the Weizmann Institute for the sake of developing its products and treatments from
initial invention through to finalization of human treatment protocols. In 2018, Cell Source extended the research period, which was scheduled to have been terminated in October of 2018, through June of 2019.
Also, under the Yeda License Agreement, the Company agreed to fund Yeda’s research until October 3, 2018, with an aggregate annual
payment of $800,000 paid in quarterly $200,000 installments. As of the date of filing, under the current amendments to that agreement,the Company’s commitment to research funding in the period ending June 30, 2019 is $25,000.If the Company fails to
achieve any one of the milestones set forth in the Yeda License Agreement (as per the current amended version) which are listed below, then Yeda will be entitled to (i) modify the related license such that it will become non-exclusive or (ii)
terminate the Yeda License Agreement upon thirty (30) days written notice:
a.
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by January 1, 2022, to have commenced Phase II clinical trials in a respect of a Product;
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b.
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by January 1, 2025, to have either commenced Phase III clinical trials or to have received FDA or EMA
marketing approval in a respect of a Product (“Marketing Approval”);
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c.
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within 12 (twelve) months from the date of Marketing Approval, to have made a First Commercial Sale of a
Product; or
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d.
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in case commercial sale of any Product having commenced, there shall be a period of 12 (twelve) months or more
during which no sales of any Product shall take place by the Company or its Sublicensees (except as a result of force majeure or other factors beyond the control of the Company)."
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Additionally, the Yeda License Agreement also provides that:
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Title.
All right, title and interest in and to the Licensed Information and the Patents (as those terms are defined in the Yeda License Agreement) and all right, title and interest in and to any drawings, plans, diagrams, specifications, other
documents, models, or any other physical matter in any way containing, representing or embodying any of the foregoing, vest and shall vest in Yeda and subject to the license granted in the Yeda License Agreement.
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Patents.
Both Yeda and the Company shall consult with one another on the filing of patent applications for any portion of Licensed Information and/or corresponding to patent application existing at the time the Yeda License Agreement was executed.
Yeda shall retain outside patent counsel that will be approved by Cell Source, to prepare, file and prosecute patent applications. All applications will be filed in Yeda’s name.
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Patents;
Patent Infringements.
Where the Company determines that a third party is infringing one or more of the Patents or is sued, in prosecuting or defending such litigation, the Company must pay any expenses or costs or other
liabilities incurred in connection with such litigation (including attorney’s fees, costs and other sums awarded to the counterparty in such action). The Company agreed to indemnify Yeda against any such expenses or costs or other
liabilities.
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License.
With regard to the expiration of Patents, a Product is deemed to be covered by a Patent so long as such Product is protected by “Orphan Drug” status (or the like). The Company has an exclusive worldwide license under the Licensed
Information and the Patents for the development, manufacture and sales of the Products. License remains in force in each country with respect to each Product until the later of (i) the expiration of the last Patent in such country
covering such Product or (ii) the expiration of a 15-year period commencing the day FDA New Drug Approval is received for a Product in such country.
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The Company may grant a Sublicense only with the prior written consent, which shall not be withheld unreasonably provided
that:
i.
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the proposed Sublicense is for monetary consideration only;
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ii.
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the proposed Sublicense is to be granted in a bona fide arm’s length commercial transaction;
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iii.
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a copy of the agreement granting the Sublicense and all amendments thereof shall be made available to Yeda, 14
days before their execution and Cell Source shall submit to Yeda copies of all such Sublicenses and all amendments thereof promptly upon execution thereof; and
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iv.
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the proposed Sublicense is made by written agreement, the provisions of which are consistent with the terms of
the License and contain, inter alia, the following terms and conditions, including: the Sublicense shall expire automatically on the termination of the License for any reason.
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However, Yeda’s prior written consent is not needed if the sublicense is limited to China, and the Company grants it to
a Chinese affiliated entity of the Company.
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Termination.
The Yeda License Agreement terminates on the later of: (i) the expiration of the last of the Patents or (ii) the expiry of a continuous period of 20 years during which there shall not have been a First commercial sale of any product in
any country. Yeda may terminate by written notice, effective immediately, if the Company challenges the validity of any of the Patents. If a challenge is unsuccessful, then in addition to Yeda’s right to termination, the Company shall pay
to Yeda liquidated damages in the amount of $8,000,000. Either the Company or Yeda may terminate the Yeda License Agreement and the License by serving a written notice upon (i) occurrence of a material breach or (ii) the granting of a
winding-up order. Additionally, Yeda may terminate for failure to reimburse Yeda for patent application and/or prosecution expenses.
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Our technology portfolio includes a patented platform termed “Veto Cell” (more formally described as “Anti 3rd party
central memory T cell”), which is an immune tolerance biotechnology that enables the selective blocking of immune responses.
For a list of all the patents and pending patents that Yeda holds and which we have a license to use, please refer to
the table in the section entitled “
Science and Technology Overview
” above.
Patents &
Proprietary Rights
Our success will depend in part on our ability to protect our existing product candidates and the products we acquire or
license by obtaining and maintaining a strong proprietary position. To develop and maintain our position, we intend to continue relying upon patent protection, orphan drug status, Hatch-Waxman exclusivity, trade secrets, know-how, continuing
technological innovations and licensing opportunities. We intend to seek patent protection whenever available for any products or product candidates and related technology we acquire in the future.
We may also seek orphan drug status whenever it is available. If a product which has an orphan drug designation
subsequently receives the first regulatory approval for the indication for which it has such designation, the product is entitled to orphan exclusivity, meaning that the applicable regulatory authority may not approve any other applications to
market the same drug for the same indication, except in very limited circumstances, for a period of seven years in the U.S. and Canada, and 10 years in the EU. Orphan drug designation does not prevent competitors from developing or marketing
different drugs for the same indication or the same drug for a different clinical indication.
It is our policy to require our employees, consultants, outside scientific collaborators, sponsored researchers and
other advisors to execute confidentiality agreements upon the commencement of employment or consulting relationships with us. These agreements provide that all confidential information made known to the individual during the course of the
individual’s relationship with us is to be kept confidential and may not be disclosed to third parties except in specific circumstances. In the case of employees, the agreements provide that all inventions conceived by the individual shall be our
exclusive property.
Government
Regulation and Product Approval
We have only recently submitted our first IND application to the FDA, which was done our behalf by MD Anderson in February 2019. Cell
Source itself has not had any contact with any regulator anywhere regarding treatment approvals or clinical trials associated with regulatory approvals. We are aware that a hospital in Italy has independently requested and received approval to
conduct a trial with a treatment protocol the patents for which we license from Yeda, which today forms part of the broader protocol that we plan to use in the US and European clinical trials, but we are not mentioned in the application nor in the
approval. However, we may indirectly benefit from the outcome of the trial, if successful, although we are not the sponsor of this trial. There are no written or verbal agreements between the hospital and Cell Source regarding the use of the
technology. That said, Cell Source is aware and in favor of the hospitals plans to use the technology and would find a positive initial outcome encouraging. Since the treatment is being done on compassionate grounds as a non-commercial clinical
trial, there is no legal requirement for the hospital to obtain approval to use the treatment protocol.
Cell Source plans to conduct human clinical trials in 2019 to show initial safety, and possibly efficacy, results in the
US, and later in Europe. As of the date of this filing, the Company has had no direct contact with any regulator regarding such approvals.
Regulation by governmental authorities in the U.S. and other countries is a significant factor, affecting the cost and
time of our research and product development activities, and will be a significant factor in the manufacture and marketing of any approved products. All of our products require regulatory approval by governmental agencies prior to
commercialization. In particular, our products are subject to rigorous pre-clinical and clinical testing and other approval requirements by the FDA and similar regulatory authorities in other countries. Various statutes and regulations also govern
or influence the manufacturing, safety, reporting, labeling, transport and storage, record keeping and marketing of our products. The lengthy process of seeking these approvals, and the subsequent compliance with applicable statutes and
regulations, require the expenditure of substantial resources. Any failure by us to obtain, or any delay in obtaining, the necessary regulatory approvals could harm our business.
The regulatory requirements relating to the testing, manufacturing and marketing of our products may change from time to
time and this may impact our ability to conduct clinical trials and the ability of independent investigators to conduct their own research with support from us.
The clinical development, manufacturing and marketing of our products are subject to regulation by various authorities
in the U.S., the EU and other countries, including, in the U.S., the FDA, in Canada, Health Canada, and, in the EU, the EMA. The Federal Food, Drug, and Cosmetic Act, the Public Health Service Act in the U.S. and numerous directives, regulations,
local laws and guidelines in Canada and the EU and elsewhere govern the testing, manufacture, safety, efficacy, labeling, storage, record keeping, approval, advertising and promotion of our products. Product development and approval within these
regulatory frameworks takes a number of years and involves the expenditure of substantial resources.
Regulatory approval will be required in all the major markets in which we seek to develop our products. At a minimum,
approval requires the generation and evaluation of data relating to the quality, safety, and efficacy of an investigational product for its proposed use. The specific types of data required and the regulations relating to this data will differ
depending on the territory, the treatment candidate involved, the proposed indication and the stage of development.
In general, new cell compositions are tested in animals until adequate evidence of safety is established to support the
proposed clinical study protocol designs. Clinical trials for new products are typically conducted in three sequential phases that may overlap. In Phase I, the initial introduction of the pharmaceutical into either healthy human volunteers or
patients with the disease (typically 20 to 50 subjects), the emphasis is on testing for safety (adverse effects), dosage tolerance, metabolism, distribution, excretion and clinical pharmacology. Phase II involves studies in a limited patient
population (typically 50 to 200 patients) to determine the initial efficacy of the pharmaceutical for specific targeted indications, to determine dosage tolerance and optimal dosage and to identify possible adverse side effects and safety risks.
Once a treatment protocol shows preliminary evidence of some efficacy and is found to have an acceptable safety profile in Phase II evaluations, Phase III trials are undertaken to more fully evaluate clinical outcomes in a larger patient population
in adequate and well-controlled studies designed to yield statistically sufficient clinical data to demonstrate efficacy and safety.
In the U.S., specific pre-clinical data, manufacturing and chemical data, as described above, need to be submitted to
the FDA as part of an IND application, which, unless the FDA objects, will become effective thirty (30) days following receipt by the FDA. Phase I studies in human volunteers may commence only after the application becomes effective. Prior
regulatory approval for human healthy volunteer studies is also required in member states of the EU. Currently, in each member state of the EU, following successful completion of Phase I studies, data are submitted in summarized format to the
applicable regulatory authority in the member state in respect of applications for the conduct of later Phase II studies. In many places in Europe, a two-tiered approval system mandates approval at the regional level prior to applying for national
approval. Regional approval cycle times, including multiple iterations where questions are answered and the specific details of the protocol may be fine-tuned, can last several months prior to applying to the national (federal government level)
regulator. The national regulatory authorities in the EU typically have between one and three months in which to raise any objections to the proposed study, and they often have the right to extend this review period at their discretion. In the
U.S., following completion of Phase I studies, further submissions to regulatory authorities are necessary in relation to Phase II and III studies to update the existing IND. Authorities may require additional data before allowing the studies to
commence and could demand that the studies be discontinued at any time if there are significant safety issues. In addition to the regulatory review, a study involving human subjects has to be approved by an independent body. The exact composition
and responsibilities of this body will differ from country to country. In the U.S., for example, each study will be conducted under the auspices of an independent institutional review board at each institution at which the study is conducted. This
board considers among other things, the design of the study, ethical factors, the privacy of protected health information as defined under the Health Insurance Portability and Accountability Act, the safety of the human subjects and the possible
liability risk for the institution. Equivalent rules to protect subjects’ rights and welfare apply in each member state of the EU, where one or more independent ethics committees, which typically operate similarly to an institutional review board,
will review the ethics of conducting the proposed research. These ethical review committees typically exist at the regional level, where approval is required prior to applying for national approval. Other regulatory authorities around the rest of
the world have slightly differing requirements involving both the execution of clinical trials and the import/export of pharmaceutical products. It is our responsibility to ensure we conduct our business in accordance with the regulations of each
relevant territory.
By leveraging existing pre-clinical and clinical data, we are seeking build upon an existing pre-clinical safety and
efficacy database to accelerate our research. In addition, our focus on an end-stage population which has limited current treatment options, commercialization, may result in relatively shorter approval cycle times. Approval by the FDA in this
category generally has been based on objective response rates and duration of responses rather than demonstration of survival benefit. As a result, trials of drugs to treat end-stage refractory cancer indications have historically involved fewer
patients and generally have been faster to complete than trials of drugs for other indications. We are aware that the FDA and other similar agencies are regularly reviewing the use of objective endpoints for commercial approval and that policy
changes may impact the size of trials required for approval, timelines and expenditures significantly. The trend over the past few years has been to shorten approval cycles for terminal patients in the U.S. by employing a “fast track” approach.
In order to gain marketing approval, we must submit a dossier to the relevant authority for review, which is known in
the U.S. as an NDA and in the EU as a marketing authorization application, or MAA. The format is usually specific and laid out by each authority, although in general it will include information on the quality of the chemistry, manufacturing and
pharmaceutical aspects of the product as well as the non-clinical and clinical data. Once the submitted NDA is accepted for filing by the FDA, it undertakes the review process that takes ten (10) months, unless an expedited priority review is
granted which takes six (6) months to complete. Approval can take several months to several years, if multiple ten (10) month review cycles are needed before final approval is obtained, if at all.
The approval process can be affected by a number of factors. The NDA may be approvable requiring additional
pre-clinical, manufacturing data or clinical trials which may be requested at the end of the ten (10) month NDA review cycle, thereby delaying marketing approval until the additional data are submitted and may involve substantial unbudgeted costs.
The regulatory authorities usually will conduct an inspection of relevant manufacturing facilities, and review manufacturing procedures, operating systems and personnel qualifications. In addition to obtaining approval for each product, in many
cases each drug manufacturing facility must be approved. Further inspections may occur over the life of the product. An inspection of the clinical investigation sites by a competent authority may be required as part of the regulatory approval
procedure. As a condition of marketing approval, the regulatory agency may require post-marketing surveillance to monitor for adverse effects or other additional studies as deemed appropriate. After approval for the initial indication, further
clinical studies are usually necessary to gain approval for any additional indications. The terms of any approval, including labeling content, may be more restrictive than expected and could affect the marketability of a product.
The FDA offers a number of regulatory mechanisms that provide expedited or accelerated approval procedures for selected
drugs in the indications on which we are focusing our efforts. These include accelerated approval under Subpart H of the agency’s NDA approval regulations, fast track drug development procedures and priority review. At this time, we have not
determined whether any of these approval procedures will apply to any of our current treatment candidates.
The US, EU and other jurisdictions may grant orphan drug designation to drugs intended to treat a “rare disease or
condition,” which, in the US, is generally a disease or condition that affects no more than 200,000 individuals. In the EU, orphan drug designation can be granted if: the disease is life threatening or chronically debilitating and affects no more
than fifty (50) in 100,000 persons in the EU; without incentive it is unlikely that the drug would generate sufficient return to justify the necessary investment; and no satisfactory method of treatment for the condition exists or, if it does, the
new drug will provide a significant benefit to those affected by the condition. If a product that has an orphan drug designation subsequently receives the first regulatory approval for the indication for which it has such designation, the product
is entitled to orphan exclusivity, meaning that the applicable regulatory authority may not approve any other applications to market the same drug for the same indication, except in very limited circumstances, for a period of seven years in the
U.S. and ten (10) years in the EU. Orphan drug designation does not prevent competitors from developing or marketing different drugs for the same indication or the same drug for different indications. Orphan drug designation must be requested
before submitting an NDA or MAA. After orphan drug designation is granted, the identity of the therapeutic agent and its potential orphan use are publicly disclosed. Orphan drug designation does not convey an advantage in, or shorten the duration
of, the review and approval process; however, this designation provides an exemption from marketing authorization (NDA) fees.
We are also subject to numerous environmental and safety laws and regulations, including those governing the use and
disposal of hazardous materials. The cost of compliance with and any violation of these regulations could have a material adverse effect on our business and results of operations. Although we believe that our safety procedures for handling and
disposing of these materials comply with the standards prescribed by state and federal regulations, accidental contamination or injury from these materials may occur. Compliance with laws and regulations relating to the protection of the
environment has not had a material effect on our capital expenditures or our competitive position. However, we are not able to predict the extent of government regulation, and the cost and effect thereof on our competitive position, which might
result from any legislative or administrative action pertaining to environmental or safety matters.
In various countries, animal rights activism has led to either formal or informal boycotting of certain types of animal
trials. As we rely on animal experiments as precursors to human trials.
Employees
Other than our Chief Executive Officer, we currently do not have any full-time employees, but retain the services of
independent contractors/consultants on a contract-employment basis. Our ability to manage growth effectively will require us to continue to implement and improve our management systems and to recruit and train new employees. Although we have done
so in the past and expect to do so in the future, there can be no assurance that we will be able to successfully attract and retain skilled and experienced personnel. We anticipate that in the near future, other key personnel will enter into
employment agreements with the Company on customary terms.
ITEM 1A. RISK FACTORS.
An investment in the Company’s Common Stock involves a high degree of risk. You should carefully
consider the risks described below as well as other information provided to you in this Annual Report on Form 10-K, including information in the section of this document entitled “Information Regarding Forward Looking Statements.” The risks and
uncertainties described below are not the only ones facing us. Additional risks and uncertainties not presently known to us or that we currently believe are immaterial may also impair our business operations. If any of the following risks actually
occur, our business, financial condition or results of operations could be materially adversely affected, the value of our Common Stock could decline, and you may lose all or part of your investment.
Risks
related to our Business and our Industry
We have a limited
operating history and a history of operating losses and expect to incur significant additional operating losses.
Our planned principal operations are the development and commercialization of new cell therapy products focused on
treatment of blood cancers, certain non-malignant disorders and organ transplantations and regeneration. We are currently conducting research and development activities in order to facilitate the transition of the patent technology we license from
the laboratory to clinical trials. We have a limited operating history. Therefore, there is limited historical financial information upon which to base an evaluation of our performance. Our prospects must be considered in light of the
uncertainties, risks, expenses, and difficulties frequently encountered by companies in their early stages of operations. We have generated net losses since we began operations, including $2,117,446 for the year ended December 31, 2018. We expect
to incur substantial additional net expenses over the next several years as our research, development, and commercial activities increase. The amount of future losses and when, if ever, we will achieve profitability are uncertain. Our ability to
generate revenue and achieve profitability will depend on, among other things, successful completion of the preclinical and clinical development of our product candidates; obtaining necessary regulatory approvals from the U.S. Food and Drug
Administration (the “FDA”) and international regulatory agencies; successful manufacturing, sales, and marketing arrangements; and raising sufficient funds to finance our activities. If we are unsuccessful at some or all of these undertakings, our
business, prospects, and results of operations may be materially adversely affected.
We may need to
secure additional financing.
We anticipate that we will incur operating
losses for the foreseeable future. Our historical cash burn rate was approximately $200,000 per month. As of December 31, 2018, we had cash in the amount of $18,934.
Based on our current resources, we will not be able to continue to operate without additional immediate funding. If we are not successful in securing
additional financing, we may be required to delay significantly, reduce the scope of or eliminate one or more of our research or development programs, downsize our general and administrative infrastructure, or seek alternative measures to avoid
insolvency, including arrangements with collaborative partners or others that may require us to relinquish rights to certain of our technologies, product candidates or products.
Our auditors have
issued a “going concern” audit opinion.
Our independent auditors have indicated, in their report on our December 31, 2018 consolidated financial statements,
that there is substantial doubt about our ability to continue as a going concern. A “going concern” opinion indicates that the financial statements have been prepared assuming we will continue as a going concern and do not include any adjustments
to reflect the possible future effects on the recoverability and classification of assets, or the amounts and classification of liabilities that may result if we do not continue as a going concern. Therefore, you should not rely on our consolidated
balance sheet as an indication of the amount of proceeds that would be available to satisfy claims of creditors, and potentially be available for distribution to shareholders, in the event of liquidation.
We are an
early-stage company with an unproven business strategy and may never achieve commercialization of our candidate products or profitability.
We are at an early stage of development and commercialization of our technologies and product candidates. We have not
yet begun to market any products and, accordingly, have not begun to generate revenues from the commercialization of our products. Our products will require significant additional clinical testing and investment prior to commercialization. A
commitment of substantial resources by ourselves and, potentially, our partners to conduct time-consuming research and clinical trials will be required if we are to complete the development of our product candidates. There can be no assurance that
any of our product candidates will meet applicable regulatory standards, obtain required regulatory approvals, be capable of being produced in commercial quantities at reasonable costs or be successfully marketed. Most of our product candidates are
not expected to be commercially available for several years, if at all.
We are dependent on
our collaborative partners and service providers the loss of which would hurt our business.
Our strategy is to enter into various arrangements with corporate and academic collaborators, licensors, licensees,
service providers and others for the research, development, clinical testing and commercialization of our products. We intend to or have entered into agreements with academic, medical and commercial organizations to research, develop and test our
products. In addition, we intend to enter into corporate partnerships to commercialize the Company’s core products. There can be no assurance that such collaborations can be established on favorable terms, if at all.
Should any collaborative partner or service provider fail to appropriately research, develop, test or successfully
commercialize any product to which the Company has rights, our business may be adversely affected. Failure of a collaborative partner or service provider to successfully conduct or complete their activities or to remain a viable collaborative
partner or commercialize enterprise for any particular program could delay or halt the development or commercialization of any products arising out of such program. While management believes that collaborative partners and service providers will
have sufficient economic motivation to continue their activities, there can be no assurance that any of these collaborations or provisions of required services will be continued or result in successfully commercialized products.
Notably, we maintain an exclusive worldwide license to certain intellectual property owned by Yeda pursuant to the Yeda
License Agreement, as further discussed in the “Intellectual Property” section hereinafter. If we should default under the License Agreement, then our rights to Yeda’s intellectual property would extinguish, and we would lose all rights to operate
the licenses. In such an event, we would effectively cease to operate unless we re-obtained licensing with Yeda.
In addition, there can be no assurance that the collaborative research or commercialization partners will not pursue
alternative technologies or develop alternative products either on their own or in collaboration with others, including our competitors, as a means for developing treatments for the diseases or conditions targeted by our programs.
Our ability and our collaborators'
ability to sell therapeutic products will depend to a large extent upon reimbursement from health care insurance companies.
Our success may depend, in part, on the extent to which reimbursement for the costs of therapeutic products and related treatments will be available from third-party payers such as government health administration authorities, private health
insurers, managed care programs, and other organizations. Over the past decade, the cost of health care has risen significantly, and there have been numerous proposals by legislators, regulators, and third-party health care payers to curb these
costs. Some of these proposals have involved limitations on the amount of reimbursement for certain products. Similar federal or state health care legislation may be adopted in the future and any products that we or our collaborators seek to
commercialize may not be considered cost-effective. Adequate third-party insurance coverage may not be available for us or our collaborative partners to establish and maintain price levels that are sufficient for realization of an appropriate
return on investment in product development.
We do not own any
patents and rely on the patents we license from Yeda Research and Development Limited.
We do not currently own any patents and only have an exclusive worldwide license to certain intellectual property owned
by Yeda pursuant to a license agreement between us and Yeda. Under the license agreement with Yeda, Yeda retains ownership of the licensed patents. If we were to default under the license agreement, then our rights to Yeda’s intellectual property
would be extinguished and we would lose all rights to operate the license. In such an event, we would effectively cease to operate unless we re-obtained licensing with Yeda.
We are dependent on
protecting our proprietary rights.
Our success and competitive position and future overall revenues will depend in part on our ability to obtain and
maintain patent protection over the patents that we have an exclusive license to use for our product candidates, methods, process and other technologies to preserve our trade secrets, to prevent third parties from infringing on our proprietary
rights and to operate without infringing the proprietary rights of third parties. Although our patents and related technologies are owned by Yeda, under our exclusive license agreement, we are required to pay all patent related expenses for
applications, renewals, etc., as well as any and all legal or other costs associated with the defending and protecting such proprietary rights. However, we cannot predict:
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the degree and range of protection any patents will afford us against competitors, including whether third
parties will find ways to invalidate or otherwise circumvent the patents that we license;
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whether or not others will obtain patents claiming aspects similar to those covered by the patents
that we license; or
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whether we will need to initiate litigation or administrative proceedings, which may be costly whether we win
or lose.
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For a complete list of the patents that we license from Yeda, please see the section entitled “
Science and Technology Overview
” of this Annual Report on Form 10-K.
We may be required to obtain licenses from third parties to avoid infringing patents or other proprietary rights. No
assurance can be given that any licenses required under any such patents or proprietary rights would be made available, if at all, on terms we find acceptable. If we do not obtain such licenses, we could encounter delays in the introduction of
products, or could find that the development, manufacture or sale of products requiring such licenses could be prohibited.
A number of pharmaceutical, biopharmaceutical and biotechnology companies and research and academic institutions have
developed technologies, filed patent applications or received patents on various technologies that may be related to or affect our business. Some of these technologies, applications or patents may conflict with our technologies or patent
applications. Such conflict could limit the scope of the patents, if any, that we may be able to obtain. Such conflict may also result in the denial of our patent applications. In addition, if patents that cover our activities are issued to other
companies, there can be no assurance that we would be able to obtain licenses to these patents at a reasonable cost or be able to develop or obtain alternative technology. If we do not obtain such licenses, we could encounter delays in the
introduction of products, or could find that the development, manufacture or sale of products requiring such licenses could be prohibited. In addition, we could incur substantial costs in defending ourselves in suits brought against us on patents
that our products might infringe or in filing suits against others to have such patents declared invalid.
Patent applications in the U.S. are maintained in secrecy and not published if either: i) the application is a provisional application or, ii) the application is filed and we request no publication and certify that the
invention disclosed “has not and will not” be the subject of a published foreign application. Otherwise, U.S. applications or foreign counterparts, if any, publish 18 months after the priority application has been filed. Since publication of
discoveries in the scientific or patent literature often lag behind actual discoveries, we cannot be certain that we or any licensor were the first creator of inventions covered by pending patent applications or that we or such licensor was the first
to file patent applications for such inventions. Moreover, we might have to participate in interference proceedings declared by the U.S. Patent and Trademark Office to determine priority of invention, which could result in substantial cost to us,
even if the eventual outcome were favorable to us. There can be no assurance that our patents, if issued, would be held valid or enforceable by a court or that a competitor’s technology or product would be found to infringe such patents
Much of our know-how and technology may not be patentable. To protect our rights, we require employees, consultants,
advisors and collaborators to enter into confidentiality agreements. There can be no assurance, however, that these agreements will provide meaningful protection for our trade secrets, know-how or other proprietary information in the event of any
unauthorized use or disclosure. Further, our business may be adversely affected by competitors who independently develop competing technologies, especially if we obtain no, or only narrow, patent protection.
We are subject to
various government regulations.
The manufacture and sale of human therapeutic and diagnostic products in the U.S., Canada and foreign jurisdictions are
governed by a variety of statutes and regulations. These laws require approval of manufacturing facilities, controlled research and testing of products and government review and approval of a submission containing manufacturing, preclinical and
clinical data in order to obtain marketing approval based on establishing the safety and efficacy of the product for each use sought, including adherence to current Good Manufacturing Practice (or cGMP) during production and storage, and control of
marketing activities, including advertising and labeling.
The products we are currently developing will require significant development, preclinical and clinical testing and
investment of substantial funds prior to their commercialization. The process of obtaining required approvals can be costly and time-consuming, and there can be no assurance that future products will be successfully developed and will prove to be
safe and effective in clinical trials or receive applicable regulatory approvals. Markets other than the U.S. and Canada have similar restrictions. Potential investors and shareholders should be aware of the risks, problems, delays, expenses and
difficulties which we may encounter in view of the extensive regulatory environment which controls our business.
We may become
subject to increased government regulation.
Increased government regulation could: (i) reduce our revenues; (ii) increase our operating expenses; and (iii) expose
us to significant liabilities. We cannot be sure what effect any future material noncompliance by us with any future laws and regulations or any material changes in current laws and regulations could have on our business, operating results and
financial condition.
If we are unable to
keep up with rapid technological changes in our field or compete effectively, we will be unable to operate profitably.
We are engaged in a rapidly changing field. Other products and therapies that will compete directly with the products
that we are seeking to develop and market currently exist or are being developed. Competition from fully integrated pharmaceutical companies and more established biotechnology companies is intense and is expected to increase. Most of these
companies have significantly greater financial resources and expertise in discovery and development, manufacturing, preclinical and clinical testing, obtaining regulatory approvals and marketing than us. Smaller companies may also prove to be
significant competitors, particularly through collaborative arrangements with large pharmaceutical and established biopharmaceutical or biotechnology companies. Many of these competitors have significant products that have been approved or are in
development and operate large, well-funded discovery and development programs. Academic institutions, governmental agencies and other public and private research organizations also conduct research, seek patent protection and establish
collaborative arrangements for therapeutic products and clinical development and marketing. These companies and institutions compete with us in recruiting and retaining highly qualified scientific and management personnel. In addition to the above
factors, we will face competition based on product efficacy and safety, the timing and scope of regulatory approvals, availability of supply, marketing and sales capability, reimbursement coverage, price and patent position. There is no assurance
that our competitors will not develop more effective or more affordable products, or achieve earlier patent protection or product commercialization, than our own.
Other companies may succeed in developing products earlier than ourselves, obtaining Health Canada, European Medicines
Agency (the “EMA”) and FDA approvals for such products more rapidly than we will, or in developing products that are more effective than products we propose to develop. While we will seek to expand our technological capabilities in order to remain
competitive, there can be no assurance that research and development by others will not render our technology or products obsolete or non-competitive or result in treatments or cures superior to any therapy we develop, or that any therapy we
develop will be preferred to any existing or newly developed technologies.
Clinical trials for our product candidates are expensive and time consuming, and their outcome is uncertain
.
The process of obtaining and maintaining regulatory approvals for new therapeutic products is expensive, lengthy and
uncertain. Costs and timing of clinical trials may vary significantly over the life of a project owing to any or all of the following non-exclusive reasons:
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the duration of the clinical trial;
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the number of sites included in the trials;
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the countries in which the trial is conducted;
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the length of time required and ability to enroll eligible patients;
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the number of patients that participate in the trials;
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the number of doses that patients receive;
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the drop-out or discontinuation rates of patients;
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per patient trial costs;
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third party contractors failing to comply with regulatory requirements or meet their contractual obligations
to us in a timely manner;
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our final product candidates having different properties in humans than in laboratory testing;
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the need to suspend or terminate our clinical trials;
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insufficient or inadequate supply of quality of necessary materials to conduct our trials;
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potential additional safety monitoring, or other conditions required by FDA or comparable foreign regulatory
authorities regarding the scope or design of our clinical trials, or other studies requested by regulatory agencies;
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problems engaging institutional review boards (“IRB”) to oversee trials or in obtaining and maintaining IRB
approval of studies;
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the duration of patient follow-up;
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the efficacy and safety profile of a product candidate;
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the costs and timing of obtaining regulatory approvals; and
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the costs involved in enforcing or defending patent claims or other intellectual property rights.
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Late stage clinical trials are especially expensive, typically requiring tens of millions of dollars, and take years to
reach their outcomes. Such outcomes often fail to reproduce the results of earlier trials. It is often necessary to conduct multiple late stage trials, including multiple Phase III trials, in order to obtain sufficient results to support product
approval, which further increases the expense. Sometimes trials are further complicated by changes in requirements while the trials are under way (for example, when the standard of care changes for the disease that is being studied in the trial).
Accordingly, any of our current or future product candidates could take a significantly longer time to gain regulatory approval than we expect, or may never gain approval, either of which could delay or stop the commercialization of our product
candidates.
We may be required
to suspend or discontinue clinical trials due to unexpected side effects or other safety risks that could preclude approval of our product candidates.
Our clinical trials may be suspended at any time for a number of reasons. For example, we may voluntarily suspend or
terminate our clinical trials if at any time we believe that they present an unacceptable risk to the clinical trial patients. In addition, the FDA or other regulatory agencies may order the temporary or permanent discontinuation of our clinical
trials at any time if they believe that the clinical trials are not being conducted in accordance with applicable regulatory requirements or that they present an unacceptable safety risk to the clinical trial patients.
Administering any product candidate to humans may produce undesirable side effects. These side effects could interrupt,
delay or halt clinical trials of our product candidates and could result in the FDA or other regulatory authorities denying further development or approval of our product candidates for any or all targeted indications. Ultimately, some or all of
our product candidates may prove to be unsafe for human use. Moreover, we could be subject to significant liability if any volunteer or patient suffers, or appears to suffer, adverse health effects as a result of participating in our clinical
trials.
We may not receive
regulatory approvals for our product candidates or there may be a delay in obtaining such approvals.
Our products and our ongoing development activities are subject to regulation by regulatory authorities in the countries
in which we or our collaborators and distributors wish to test, manufacture or market our products. For instance, the FDA will regulate the product in the U.S. and equivalent authorities, such as the EMA, will regulate in Europe. Regulatory
approval by these authorities will be subject to the evaluation of data relating to the quality, efficacy and safety of the product for its proposed use, and there can be no assurance that the regulatory authorities will find our data sufficient to
support product approval.
The time required to obtain regulatory approval varies between countries. In the U.S., for products without “Fast Track”
status, it can take up to eighteen (18) months after submission of an application for product approval to receive the FDA’s decision. Even with Fast Track status, FDA review and decision can take up to twelve (12) months.
Different regulators may impose their own requirements and may refuse to grant, or may require additional data before
granting, an approval, notwithstanding that regulatory approval may have been granted by other regulators. Regulatory approval may be delayed, limited or denied for a number of reasons, including insufficient clinical data, the product not meeting
safety or efficacy requirements or any relevant manufacturing processes or facilities not meeting applicable requirements as well as case load at the regulatory agency at the time.
Delays in our
clinical trials could result in us not achieving anticipated developmental milestones when expected, increased costs and delay our ability to obtain regulatory approval and commercialize our product candidates.
Delays in our ability to commence or enroll patients for our clinical trials could result in us not meeting anticipated
clinical milestones and could materially impact our product development costs and delay regulatory approval of our product candidates. We do not know whether planned clinical trials will be commenced or completed on schedule, if at all. Clinical
trials can be delayed for a variety of reasons, including:
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delays in the development of manufacturing capabilities for our product candidates to enable their consistent
production at clinical trial scale;
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delays in the commencement of clinical trials as a result of clinical trial holds or the need to obtain
additional information to complete an Investigational New Drug Application (IND);
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delays in obtaining regulatory approval to commence new trials;
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adverse safety events experienced during our clinical trials;
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insufficient efficacy during trials leading to withdrawal of product candidate;
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delays in obtaining clinical materials;
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slower than expected patient recruitment for participation in clinical trials; and
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delays in reaching agreement on acceptable clinical trial agreement terms with prospective sites or obtaining
institutional review board approval.
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If we do not successfully commence or complete our clinical trials on schedule, the price of our common stock may
decline.
Preclinical studies
and Phase 1 or 2 clinical trials of our product candidates may not predict the results of subsequent human clinical trials.
Preclinical studies, including studies of our product candidates in animal models, may not accurately predict the result
of human clinical trials of those product candidates. In particular, promising animal studies suggesting the efficacy of our products may not predict the ability of these products to treat humans. Our technology may be found not to be efficacious
when studied in human clinical trials.
To satisfy FDA or foreign regulatory approval standards for the commercial sale of our product candidates, we must
demonstrate in adequate and controlled clinical trials that our product candidates are safe and effective. Success in early clinical trials, including Phase 2 trials, does not ensure that later clinical trials will be successful. Our initial
results from Phase 1/2 clinical trials also may not be confirmed by later analysis or subsequent larger clinical trials. A number of companies in the pharmaceutical industry have suffered significant setbacks in advanced clinical trials, even after
obtaining promising results in earlier clinical trials.
Our product
candidates must undergo rigorous clinical testing, the results of which are uncertain and could substantially delay or prevent us from bringing them to market.
Before we can obtain regulatory approval for a product candidate, we must undertake extensive clinical testing in humans
to demonstrate safety and efficacy to the satisfaction of the FDA or other regulatory agencies. Clinical trials of new drug candidates sufficient to obtain regulatory marketing approval are expensive and take years to complete.
We cannot be certain of successfully completing clinical testing within the time frame we have planned, or at all. We
may experience numerous unforeseen events during, or as a result of, the clinical trial process that could delay or prevent us from receiving regulatory approval or commercializing our product candidates, including the following:
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our clinical trials may produce negative or inconclusive results, and we may decide, or regulators may require
us, to conduct additional clinical and/or preclinical testing or to abandon programs;
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the results obtained in earlier stage clinical testing may not be indicative of results in future clinical
trials;
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clinical trial results may not meet the level of statistical significance required by the FDA or other
regulatory agencies;
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enrollment in our clinical trials for our product candidates may be slower than we anticipate, resulting in
significant delays and additional expense;
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we, or regulators, may suspend or terminate our clinical trials if the participating patients are being
exposed to unacceptable health risks; and
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the effects of our product candidates on patients may not be the desired effects or may include undesirable
side effects or other characteristics that may delay or preclude regulatory approval or limit their commercial use, if approved.
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Completion of clinical trials depends, among other things, on our ability to enroll a sufficient number of patients,
which is a function of many factors, including:
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the therapeutic endpoints chosen for evaluation;
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the eligibility criteria defined in the protocol;
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the perceived benefit of the investigational drug under study;
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the size of the patient population required for analysis of the clinical trial’s therapeutic endpoints;
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our ability to recruit clinical trial investigators and sites with the appropriate competencies and
experience;
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our ability to obtain and maintain patient consents; and
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competition for patients by clinical trial programs for other treatments.
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We may experience difficulties in enrolling patients in our clinical trials, which could increase the costs or affect
the timing or outcome of these clinical trials. This is particularly true with respect to diseases with relatively small patient populations.
We may in the future
conduct clinical trials for our products or product candidates outside the United States and the FDA may not accept data from such trials.
We may in the future choose to conduct one or more of our clinical trials outside the United States. Although the FDA
may accept data from clinical trials conducted outside the United States, acceptance of such study data by the FDA is subject to certain conditions. For example, the study must be well designed and conducted and performed by qualified investigators
in accordance with ethical principles. The study population must also adequately represent the U.S. population, and the data must be applicable to the U.S. population and U.S. medical practice in ways that the FDA deems clinically meaningful.
Generally, the patient population for any clinical studies conducted outside of the United States must be representative of the population for whom we intend to label the product in the United States. In addition, such studies would be subject to
the applicable local laws and FDA acceptance of the data would be dependent upon its determination that the studies also complied with all applicable U.S. laws and regulations. There can be no assurance the FDA will accept data from trials
conducted outside of the United States. If the FDA does not accept any such data, it would likely result in the need for additional trials, which would be costly and time consuming and delay aspects of our business plan.
We may fail to
comply with regulatory requirements
.
Our success will be dependent upon our ability, and our collaborative partners’ abilities, to maintain compliance with
regulatory requirements, including cGMP, and safety reporting obligations. The failure to comply with applicable regulatory requirements can result in, among other things, fines, injunctions, civil penalties, total or partial suspension of
regulatory approvals, refusal to approve pending applications, recalls or seizures of products, operating and production restrictions and criminal prosecutions.
Regulatory approval
of our product candidates may be withdrawn at any time.
After regulatory approval has been obtained for medicinal products, the product and the manufacturer are subject to
continual review, including the review of adverse experiences and clinical results that are reported after our products are made available to patients, and there can be no assurance that such approval will not be withdrawn or restricted. Regulators
may also subject approvals to restrictions or conditions or impose post-approval obligations on the holders of these approvals, and the regulatory status of such products may be jeopardized if such obligations are not fulfilled. If post-approval
studies are required, such studies may involve significant time and expense.
The manufacturer and manufacturing facilities we use to make any of our products will also be subject to periodic review
and inspection by the FDA or EMA, as applicable. The discovery of any new or previously unknown problems with the product, manufacturer or facility may result in restrictions on the product or manufacturer or facility, including withdrawal of the
product from the market. We will continue to be subject to the FDA or EMA requirements, as applicable, governing the labeling, packaging, storage, advertising, promotion, recordkeeping, and submission of safety and other post-market information for
all of our product candidates, even those that the FDA or EMA, as applicable, had approved. If we fail to comply with applicable continuing regulatory requirements, we may be subject to fines, suspension or withdrawal of regulatory approval,
product recalls and seizures, operating restrictions and other adverse consequences.
There may not be a
viable market for our products.
We believe that there will be many different applications for our products. We also believe that the anticipated market
for our products will continue to expand. These assumptions may prove to be incorrect for a variety of reasons, including competition from other products and the degree of our products’ commercial viability.
We rely on key
personnel and, if we are unable to retain or motivate key personnel or hire qualified personnel, we may not be able to grow effectively.
We are dependent on our Chief Executive Officer, Itamar Shimrat, our Executive Chairman, Dennis Brown, and on scientific
and drug development consultants, the loss of services of one or more of whom could materially adversely affect us.
Other than our Chief Executive Officer, we currently do not have full-time employees, but we retain the services of
independent contractors/consultants on a contract-employment basis. Our ability to manage growth effectively will require us to continue to implement and improve our management systems and to recruit and train new employees. Although we have done
so in the past and expect to do so in the future, there can be no assurance that we will be able to successfully attract and retain skilled and experienced personnel.
We may be subject to
foreign exchange fluctuation.
We maintain our accounts in both U.S. dollars and Israeli shekels. A portion of our expenditures are in foreign
currencies, most notably in U.S. dollars, and therefore we are subject to foreign currency fluctuations, which may, from time to time, impact our financial position and results. We may enter into hedging arrangements under specific circumstances,
typically through the use of forward or futures currency contracts, to minimize the impact of increases in the value of the U.S. dollar. In order to minimize our exposure to foreign exchange fluctuations we may hold sufficient U.S. dollars to cover
our expected U.S. dollar expenditures.
We may be exposed to
potential product and clinical trials liability.
Our business exposes us to potential product liability risks, which are inherent in the testing, manufacturing,
marketing and sale of therapeutic products. Human therapeutic products involve an inherent risk of product liability claims and associated adverse publicity. While we will continue to take precautions we deem appropriate, there can be no assurance
that we will be able to avoid significant product liability exposure. We do not currently maintain liability insurance coverage as such insurance is expensive and difficult to obtain. In the event clinical trials are commenced, we plan to obtain
liability insurance coverage in the jurisdictions applicable to such clinical trials. However, when we seek such insurance, it may not be available on acceptable terms, if at all. The inability to obtain sufficient insurance coverage on reasonable
terms or to otherwise protect against potential product liability claims could prevent or inhibit our ability to conduct clinical trials in certain jurisdiction or the commercialization of our current or potential products. A product liability
claim brought against us in a clinical trial or a product withdrawal could have a material adverse effect upon us and our financial condition. Should the insurance coverage be insufficient in amount or scope to address multiple and diverse claims,
liabilities not covered by insurance could represent a significant financial liability for Cell Source. Since Yeda does not conduct human trials, there is no need for Cell Source to have insurance for trials there. When Cell Source begins to
contract facilities at hospitals to conduct human trials on its behalf, it will ensure that full and proper insurance coverage will be in place with respect to such clinical facilities. Cell Source plans to insure its participation in any and all
clinical trials, above and beyond whatever insurance coverage is already held by the institutions and facilities providing services with respect to such clinical trials.
We may become
subject to liabilities related to risks inherent in working with hazardous materials.
Our discovery and development processes involve the controlled use of hazardous and radioactive materials. We are
subject to federal, state, provincial and local laws and regulations governing the use, manufacture, storage, handling and disposal of such materials and certain waste products. Although we believe that our safety procedures for handling and
disposing of such materials comply with the standards prescribed by such laws and regulations, the risk of accidental contamination or injury from these materials cannot be completely eliminated. In the event of such an accident, we could be held
liable for any damages that result and any such liability could exceed our resources. We are not specifically insured with respect to this liability. Although we believe that we are in compliance in all material respects with applicable
environmental laws and regulations and currently do not expect to make material capital expenditures for environmental control facilities in the near-term, there can be no assurance that we will not be required to incur significant costs to comply
with environmental laws and regulations in the future, or that our operations, business or assets will not be materially adversely affected by current or future environmental laws or regulations.
Some of our
research and development activities are located in Israel and, therefore, our business, financial condition and results of operation may be adversely affected by political, economic and military instability in Israel.
Our Chief Executive Officer resides in Israel, and substantially all of our assets and most of the assets of this
person are located in Israel. Therefore, a judgment obtained against any of these persons, including a judgment based on the civil liability provisions of the U.S. federal securities laws, may not be collectible in the United States and may not
be enforced by an Israeli court. It also may be difficult to effect service of process on this person in the United States or to assert U.S. securities law claims in original actions instituted in Israel. Israeli courts may refuse to hear a claim
based on an alleged violation of U.S. securities laws on the grounds that Israel is not the most appropriate forum in which to bring such a claim. In addition, even if an Israeli court agrees to hear a claim, it may determine that Israeli law and
not U.S. law is applicable to the claim. If U.S. law is found to be applicable, the content of applicable U.S. law must be proven as a fact by expert witnesses, which can be a time consuming and costly process. Certain matters of procedure will
also be governed by Israeli law. There is little binding case law in Israel that addresses the matters described above. As a result of the difficulty associated with enforcing a judgment against us in Israel, you may not be able to collect any
damages awarded by either a U.S. or foreign court.
The Company functions using an outsourcing driven model, where research is performed by employees of the Weizmann Institute of
Science, and commencing in 2019, will be conducted by employees of MD Anderson, on their premises as funded by Cell Source and planned development such as production of Veto Cells and human clinical trials expected to take place at third party
facilities, including hospitals and laboratories, mainly outside of Israel. For this reason, the Company has not acquired or leased office space in Israel but rather uses services provided by its general counsel for office services in Israel and
third party contracted office services in the United States.
Risks
Related to Our Common Stock
There may be
additional issuances of shares of preferred stock in the future.
Our Articles of Incorporation permit us to issue up to 10,000,000 shares of preferred stock and our board of directors
has authorized 1,000,000 shares of Series A Convertible Preferred, for issuance. Our board of directors could authorize the issuance of additional series of preferred stock in the future and such preferred stock could grant holders preferred
rights on parity with the Series A Preferred as to dividend payments and liquidation preference. The issuances of other series of preferred stock could have the effect of reducing the amounts available to the Series A Preferred in the event of
our liquidation, winding-up or dissolution. It may also reduce cash dividend payments on the Series A Preferred if we do not have sufficient funds to pay dividends on all Series A Preferred outstanding and outstanding parity preferred stock.
The liquidation
preference of the Series A Preferred may be lower than the net tangible value of our Common Stock.
The Series A Convertible Preferred has a liquidation preference of $7.50 per share which may be lower than the net
tangible book value of our common stock upon conversion.
There is not an
active liquid trading market for the Company’s Common Stock.
The Company is required to report under the Exchange Act and its Common Stock is eligible for quotation on the OTC
Markets. However, there is no regular active trading market in the Company’s Common Stock, and we cannot give an assurance that an active trading market will develop. If an active market for the Company’s Common Stock develops, there is a
significant risk that the Company’s stock price may fluctuate dramatically in the future in response to any of the following factors, some of which are beyond our control:
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variations in our quarterly operating results;
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announcements that our revenue or income are below analysts’ expectations;
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general economic slowdowns;
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sales of large blocks of the Company’s Common Stock; and
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announcements by us or our competitors of significant contracts, acquisitions, strategic partnerships, joint
ventures or capital commitments.
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Our Common Stock is
subject to the “penny stock” rules of the Securities and Exchange Commission, which may make it more difficult for stockholders to sell our Common Stock.
The SEC has adopted Rule 15g-9 which establishes the definition of a “penny stock,” for the purposes relevant to us, as
any equity security that has a market price of less than $5.00 per share, subject to certain exceptions. For any transaction involving a penny stock, unless exempt, the rules require that a broker or dealer approve a person’s account for
transactions in penny stocks, and the broker or dealer receive from the investor a written agreement to the transaction, setting forth the identity and quantity of the penny stock to be purchased.
In order to approve a person’s account for transactions in penny stocks, the broker or dealer must obtain financial
information and investment experience objectives of the person, and make a reasonable determination that the transactions in penny stocks are suitable for that person and the person has sufficient knowledge and experience in financial matters to be
capable of evaluating the risks of transactions in penny stocks.
The broker or dealer must also deliver, prior to any transaction in a penny stock, a disclosure schedule prescribed by
the SEC relating to the penny stock market, which, in highlight form sets forth the basis on which the broker or dealer made the suitability determination, and that the broker or dealer received a signed, written agreement from the investor prior
to the transaction.
Generally, brokers may be less willing to execute transactions in securities subject to the “penny stock” rules. This
may make it more difficult for investors to dispose of the Company’s Common Stock if and when such shares are eligible for sale and may cause a decline in the market value of its stock.
Disclosure also has to be made about the risks of investing in penny stocks in both public offerings and in secondary
trading and about the commissions payable to both the broker-dealer and the registered representative, current quotations for the securities and the rights and remedies available to an investor in cases of fraud in penny stock transactions.
Finally, monthly statements have to be sent disclosing recent price information for the penny stock held in the account and information on the limited market in penny stock.
We may not be able
to attract the attention of brokerage firms because we became a public company by means of a reverse acquisition.
Because we became public through a “reverse acquisition," securities analysts of brokerage firms may not provide
coverage of us since there is little incentive to brokerage firms to recommend the purchase of our Common Stock. No assurance can be given that brokerage firms will want to conduct any secondary offerings on behalf of the Company in the future.
Applicable
regulatory requirements, including those contained in and issued under the Sarbanes-Oxley Act of 2002, may make it difficult for the Company to retain or attract qualified officers and directors, which could adversely affect the management of
its business and its ability to obtain or retain listing of its Common Stock.
The Company may be unable to attract and retain those qualified officers, directors and members of board committees
required to provide for effective management because of the rules and regulations that govern publicly held companies, including, but not limited to, certifications by principal executive officers. The enactment of the Sarbanes-Oxley Act has
resulted in the issuance of a series of related rules and regulations and the strengthening of existing rules and regulations by the SEC, as well as the adoption of new and more stringent rules by the stock exchanges. The perceived increased
personal risk associated with these changes may deter qualified individuals from accepting roles as directors and executive officers.
Further, some of these changes heighten the requirements for board or committee membership, particularly with respect to
an individual’s independence from the corporation and level of experience in finance and accounting matters. The Company may have difficulty attracting and retaining directors with the requisite qualifications. If the Company is unable to attract
and retain qualified officers and directors, the management of its business and its ability to obtain or retain listing of our shares of Common Stock on any stock exchange (assuming the Company elects to seek and are successful in obtaining such
listing) could be adversely affected.
If the Company fails to maintain an effective system of internal controls, it may not be able to
accurately report its financial results or detect fraud. Consequently, investors could lose confidence in the Company’s financial reporting and this may decrease the trading price of its stock.
The Company must maintain effective internal controls to provide reliable financial reports and detect fraud. As a
result of the Company’s inability to file periodic reports with the Securities and Exchange Commission on a timely basis with respect to the years ended December 31, 2016 and December 31, 2017 and the quarters ended March 31, 2017, June 30, 2017,
September 30, 2017, March 31, 2018 and June 30, 2018 due to a lack of financial resources, management previously concluded that the Company’s internal controls over financial reporting were not effective as of the end of each of such periods.
Although management believes that the Company’s internal controls were effective as of December 31, 2018, failure to maintain an effective system of internal controls could harm its operating results and cause investors to lose confidence in the
Company’s reported financial information. Any such loss of confidence would have a negative effect on the trading price of the Company’s stock.
Voting power of our
shareholders is highly concentrated by insiders.
Our officers, directors and affiliates currently own approximately 34.7% of our outstanding common stock. Such
concentrated control of the Company may adversely affect the value of our ordinary shares. If you acquire our ordinary shares, you may have no effective voice in our management. Sales by our insiders or affiliates, along with any other market
transactions, could affect the value of our ordinary shares.
We do not intend to
pay dividends to holders of Common Stock for the foreseeable future.
We have paid no dividends on our Common Stock to date and it is not anticipated that any dividends will be paid to
holders of our Common Stock in the foreseeable future. While our future dividend policy will be based on the operating results and capital needs of the business, it is currently anticipated that any earnings will be retained to finance our future
expansion and for the implementation of our business plan. As an investor, you should take note of the fact that a lack of a dividend can further affect the market value of our stock and could significantly affect the value of any investment in our
Company.
Our articles of
incorporation allow for our board to create a new series of preferred stock without further approval by our stockholders, which could adversely affect the rights of the holders of our Common Stock.
Our Board of Directors has the authority to fix and determine the relative rights and preferences of preferred stock.
Our Board of Directors have the authority to issue up to 10,000,000 shares of our preferred stock terms of which may be determined by the Board without further stockholder approval. As a result, our Board of Directors could authorize the issuance
of a series of preferred stock that would grant to holders the preferred right to our assets upon liquidation, the right to receive dividend payments before dividends are distributed to the holders of Common Stock and the right to the redemption of
the shares, together with a premium, prior to the redemption of our Common Stock. In addition, our Board of Directors could authorize the issuance of a series of preferred stock that has greater voting power than our Common Stock or that is
convertible into our Common Stock, which could decrease the relative voting power of our Common Stock or result in dilution to our existing stockholders. Although we have no present intention to issue any additional shares of preferred stock or to
create any additional series of preferred stock, we may issue such shares in the future.
You may experience
dilution of your ownership interests because of the future issuance of additional shares of common stock.
In the future, we may issue additional authorized but previously unissued equity securities, resulting in the dilution
of the ownership interests of our shareholders. We may also issue additional shares of our securities that are convertible into or exercisable for Common Stock, as the case may be, in connection with hiring or retaining employees, future
acquisitions, future sales of its securities for capital raising purposes, or for other business purposes. The future issuance of any such additional shares of Common Stock may create downward pressure on the value of our securities. There can be
no assurance that we will not be required to issue additional shares of Common Stock, warrants or other convertible securities in the future in conjunction with any capital raising efforts, including at a price (or exercise prices) below the
price at which our shares may be valued or are trading in a public market.
The Company does not currently have revenues and as such, our ability to continue our operations is dependent on the
execution of management’s plans, which include the raising of capital through the debt and/or equity markets, until such time that funds provided by operations are sufficient to fund working capital requirements. We may need to incur additional
liabilities with certain related parties to sustain our existence. There can be no assurances that we will be successful in generating additional cash from equity or debt financings or other sources to be used for operations. In the event that
further equity capital is raised, there is a risk that investors will incur dilution of their holdings.
The Company has used a combination of equity and debt capital to fund its operations. Some of the debt capital is in
the form of convertible notes. Some of these notes may be convertible to equity at a 70% discount to the price of the current offering. The note holders may also receive warrants on conversion. In the event that these notes are converted to
equity, investors in the current offering with incur dilution. Otherwise, some of the proceeds of the offering may be used to repay debt, which limits the use of proceeds to fund expenditures for the Company’s ongoing operations. The investors
in the private placement that the company conducted in 2014 prior to its share exchange with TTSI, have been allotted price protection features which were not offered to investors in Cell Source as a public company. In the event that these
features are triggered, this could result in further dilution of investors in the future.
Below is a summary of the notes issued by the Company:
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Eleven notes payable with
principal amounts totaling $1,613,000; and
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Seventeen convertible notes
payable with principal amounts totaling $1,060,000.
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As further described in the financial
statement footnotes contained elsewhere in this report, these notes are convertible into shares of common stock under various circumstances at the lower of: a) $0.75 per share, or b) 70% of the pricing of a qualified financing or 70% of the
closing price for a period immediately before such conversions.
We are in default of payment obligations under certain promissory notes.
As of December 31, 2018, $2,673,000 of
indebtedness represented by outstanding promissory notes was past due. Although only one holder of a note with the principal amount of $250,000 has elected to pursue remedies against us, no assurance can be given that the other holders will not
do so in the future. The institution of collection actions could have a material adverse effect on our business and could force us to seek relief through insolvency or other proceedings.
As an issuer of
“penny stock," the protection provided by the federal securities laws relating to forward looking statements does not apply to us.
Although federal securities laws provide a safe harbor for forward-looking statements made by a public company that
files reports under the federal securities laws, this safe harbor is not available to issuers of penny stocks. As a result, we will not have the benefit of this safe harbor protection in the event of any legal action based upon a claim that the
material provided by us contained a material misstatement of fact or was misleading in any material respect because of our failure to include any statements necessary to make the statements not misleading. Such an action could hurt our financial
condition.
Our issuance of
Common Stock upon exercise of warrants or options may depress the price of our Common Stock.
As of December 31, 2018, we had 26,077,611 shares of Common Stock issued and outstanding and outstanding warrants to
purchase 13,458,653 shares of Common Stock. The issuance of shares of Common Stock upon exercise of outstanding warrants or options could result in substantial dilution to our stockholders, which may have a negative effect on the price of our
Common Stock.
We will incur
increased costs as a result of operating as a public company, and our management will be required to devote substantial time to new compliance initiatives.
As a public company, we are incurring significant legal, accounting and other expenses that we did not incur as a
private company. Since we are subject to the filing requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934 (the “Exchange Act”), as amended, we file reports with the Securities and Exchange Commission. As a result, we file
annual, quarterly and current reports with respect to our business and financial condition and establish and maintain effective disclosure and financial controls and corporate governance practices. Compliance with the Exchange Act and the rules and
regulations under the Exchange Act have substantially increased our legal and financial compliance costs and made some activities more time-consuming and costly. Our management and other personnel devote a substantial amount of time to these
compliance initiatives. For example, we expect that these rules and regulations may make it more difficult and more expensive for us to obtain director and officer liability insurance. We estimate that we will incur between $1 million and
$2.5 million annually in expenses in response to these requirements.
If we take advantage
of specified reduced disclosure requirements applicable to a “smaller reporting company”, the information that we provide to stockholders may be different than they might receive from other public companies.
As a company with less than $100 million in revenue during our last fiscal year and a public float of less than $250
million, we qualify as a “smaller reporting company”. As a smaller reporting company, we may take advantage of specified reduced disclosure and other requirements that are otherwise applicable generally to public companies. These provisions
include:
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Only two years of audited financial statements in addition to any required unaudited interim financial
statements with correspondingly reduced "Management's Discussion and Analysis of Financial Condition and Results of Operations" disclosure;
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Reduced disclosure about our executive compensation arrangements;
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Exemption from the auditor attestation requirement in the assessment of our internal control over financial
reporting.
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As a result of our status as a “smaller reporting company,” the information that we provide stockholders may be
different than you might get from other public companies in which you hold stock.
If we fail to maintain an effective system of internal control over financial reporting, we may
not be able to accurately report our financial results or prevent fraud. As a result, stockholders could lose confidence in our financial and other public reporting, which would harm our business and the trading price of our common stock.
Effective internal controls over financial reporting are necessary for us to provide reliable financial reports and,
together with adequate disclosure controls and procedures, are designed to prevent fraud. Any failure to implement required new or improved controls, or difficulties encountered in their implementation could cause us to fail to meet our reporting
obligations. In addition, any testing by us conducted in connection with Section 404 of the Sarbanes-Oxley Act, or the subsequent testing by our independent registered public accounting firm, may reveal deficiencies in our internal controls over
financial reporting that are deemed to be material weaknesses or that may require prospective or retroactive changes to our consolidated financial statements or identify other areas for further attention or improvement. Inferior internal controls
could also cause investors to lose confidence in our reported financial information, which could have a negative effect on the trading price of our common stock.
Due to a lack of financial resources, we were unable to file our annual reports on Form 10-K for the years ended
December 31, 2017 and December 31, 2016 and the quarterly reports on Form 10-Q for the periods ended March 31, 2017, June 30, 2017, September 30, 2017 and March 31, 2018 on a timely basis. Management evaluated the lack of financial resources on our
assessment of our reporting controls and procedures and concluded that the control deficiency represented a material weakness as of the end of each of such periods.
Management’s efforts to remediate the material
weakness included raising funds and seeking new resources to alleviate this material weakness and filing all necessary regulatory reports on a timely basis. Although management concluded that our internal controls over financial reporting were
effective as of December 31, 2018, there can be no assurance that we will have the necessary resources to maintain effective controls in future periods.
We will be required to disclose changes made in our internal controls and procedures on a quarterly basis and our
management will be required to assess the effectiveness of these controls annually. However, for as long as we are a “smaller reporting company”, our independent registered public accounting firm will not be required to attest to the effectiveness
of our internal controls over financial reporting pursuant to Section 404. An independent assessment of the effectiveness of our internal controls could detect problems that our management's assessment might not. Undetected material weaknesses in
our internal controls could lead to financial statement restatements and require us to incur the expense of remediation.