Latest Data Confirm Benefits of Evoltra(R) in Children with Relapsed/Refractory Acute Leukemia; Formal European Launch of Evoltr
September 21 2006 - 9:46AM
Business Wire
Bioenvision, Inc. (NasdaqGM:BIVN) today announced the latest
results from the ongoing European study (BIOV-111) of Evoltra(R)
(clofarabine) in pediatric acute lymphoblastic leukemia (ALL) -
presented for the first time this week - have confirmed
Bioenvision's recently approved drug, Evoltra(R), delivers a
significant response rate in a difficult to treat patient
population. In addition, updated results from the pivotal clinical
study CLO-212* showed that response to clofarabine provides the
opportunity for patients to proceed to stem cell transplant, which
offers them the best chance for long term survival. The data was
presented this week at the 38th Congress of the International
Society of Pediatric Oncology (SIOP) in Geneva, Switzerland, which
is one of the largest gatherings of pediatric cancer specialists in
the world and this year has attracted over 1700 delegates. Although
the first-line treatment of children with leukemia is generally
successful, patients with multiple relapsed or refractory leukemia
have a low response rate to existing treatment options and a very
poor prognosis, with a median survival of approximately 9-10 weeks.
Study BIOV-111 - response rate and survival benefits Interim
results from Study BIOV-111 - the ongoing European phase II study
of Evoltra(R) in refractory and relapsed childhood acute
lymphoblastic leukemia (ALL) - showed, in the evaluable patients, a
complete response rate (CR + CRp) of 28%. In addition, Evoltra(R)
achieved a notable survival advantage, with a current median
survival of 37.4 weeks in responding patients compared to 9.4 weeks
in non-responding patients. Dr Pamela Kearns, Senior Lecturer in
Pediatric Oncology, Bristol University and Bristol Royal Hospital
for Children, who presented the data commented, "The overall
remission rate seen in this study is exceptional in such a
difficult to treat group of patients who have failed other
currently available treatments. Evoltra achieves durable responses
with a notable survival advantage for the responders". Study
CLO-212* - latest update Updated results from pivotal clincial
study CLO-212* were presented at SIOP. Dr Sima Jeha, St. Jude
Children's Hospital, Memphis, reported that a 30% response rate was
achieved in heavily pre-treated patients with multiple
relapsed/refractory ALL with a median survival at the latest data
cut-off is 66.6 weeks compared with just 7.6 weeks for the non
responders. "Although the original aim of this phase II study was
not to follow patients indefinitely, due to the very favorable
results and the number of patients proceeding to transplant, the
protocol was amended and we continued to follow them," said Dr.
Jeha. Dr Rupert Handgretinger, Tubingen, Germany one of the
transplant specialists in the study also presented updated
information on those children who received a stem cell transplant
following response to Evoltra(R). Dr Handgretinger commented, "The
majority of patients who received a transplant after responding to
Evoltra(R) are still alive, one is alive three years post
transplant". Evoltra(R) was granted European Marketing
Authorization by the European Commission on 29th May 2006 and is
available in all 25 member states of the European Union.
Bioenvision chose the SIOP 2006 meeting as the ideal forum to
officially launch Evoltra(R) in Europe. The formal launch meeting
was attended by approximately 200 of the worlds leading pediatric
hematologists and oncologists. In addition study results were
presented at the plenary sessions of SIOP and at a dedicated
Evoltra satellite symposium. *clinical study CLO-212 was conducted
by Genzyme Corporation in the U.S. About Evoltra(R) (clofarabine)
The European Marketing Authorization for Evoltra(R) (clofarabine)
is for "the treatment of acute lymphoblastic leukemia (ALL) in
pediatric patients who have relapsed or are refractory to at least
two prior regimens and where there is no other treatment option
anticipated to result in a durable response. Safety and efficacy
have been assessed in studies of patients less than or equal to 21
years old at initial diagnosis." Clofarabine is in clinical
development for the treatment of other hematological cancers and
solid tumors. Bioenvision is also conducting late-stage preclinical
development of Evoltra(R) for the treatment of psoriasis and is
planning further worldwide development of Evoltra(R) in autoimmune
diseases. Evoltra(R) (clofarabine) is a next generation purine
nucleoside analog. Bioenvision holds an exclusive worldwide license
(excluding U.S. and Canada) for the cancer applications of
clofarabine and an exclusive worldwide license for all non-cancer
indications. Bioenvision granted an exclusive sublicense to Genzyme
Corporation to develop and commercialize clofarabine for certain
cancer indications in the U.S. and Canada, which Genzyme markets
under the name of Clolar(R). Bioenvision originally obtained
clofarabine development and commercialization rights under patents
held by Southern Research Institute. Clofarabine has been granted
orphan drug designation for the treatment of both ALL and AML in
the U.S. and Europe. In Europe, the designation provides marketing
exclusivity for 10 years following Marketing Authorization. About
Bioenvision Bioenvision's primary focus is the acquisition,
development, distribution and marketing of compounds and
technologies for the treatment of cancer. Bioenvision has a broad
pipeline of products for the treatment of cancer, including:
Evoltra(R), Modrenal(R) (for which Bioenvision has obtained
regulatory approval for marketing in the United Kingdom for the
treatment of post-menopausal breast cancer following relapse to
initial hormone therapy), and other products. Bioenvision is also
developing anti-infective technologies, including the OLIGON(R)
technology, an advanced biomaterial that has been incorporated into
various FDA approved medical devices and Suvus(R), an antimicrobial
agent currently in clinical development for refractory chronic
hepatitis C infection. For more information on Bioenvision please
visit our Web site at www.bioenvision.com:
http://www.bioenvision.com. Certain statements contained herein are
"forward-looking" statements (as such term is defined in the
Private Securities Litigation Reform Act of 1995). Because these
statements include risks and uncertainties, actual results may
differ materially from those expressed or implied by such
forward-looking statements. Specifically, factors that could cause
actual results to differ materially from those expressed or implied
by such forward-looking statements include, but are not limited to:
risks associated with preclinical and clinical developments in the
biopharmaceutical industry in general and in Bioenvision's
compounds under development in particular; the potential failure of
Bioenvision's compounds under development to prove safe and
effective for treatment of disease; uncertainties inherent in the
early stage of Bioenvision's compounds under development; failure
to successfully implement or complete clinical trials; failure to
receive marketing clearance from regulatory agencies for our
compounds under development; acquisitions, divestitures, mergers,
licenses or strategic initiatives that change Bioenvision's
business, structure or projections; the development of competing
products; uncertainties related to Bioenvision's dependence on
third parties and partners; and those risks described in
Bioenvision's filings with the SEC. Bioenvision disclaims any
obligation to update these forward-looking statements.
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