Company’s therapeutic dendritic cell-based vaccine technology aims to offer new treatment options for children with recurring metastatic Ewing sarcoma and osteosarcoma

CellxLife today announced that Eric von Hofe, Ph.D., will serve as the company’s first Chief Executive Officer. The company was formed in late 2023 to advance a dendritic cell-based therapeutic vaccine candidate that aims to expand treatment options for children with recurring metastatic Ewing sarcoma and osteosarcoma.

There are currently very few treatment options for children suffering from metastatic Ewing sarcoma or osteosarcoma. The most common treatment is surgical removal of the tumors in combination with radiation and chemotherapy. For children with recurring metastatic Ewing sarcoma or osteosarcoma, the 5-year survival rate is usually 20-30% and in the U.S., approximately $750,000 is spent on treatment over the course of a patient’s life. i,ii

“Ewing sarcoma and osteosarcoma are devastating diseases that have far-reaching impact, particularly in pediatric patients and their caregivers,” said Dr. von Hofe. “I am honored to join the CellxLife team to help advance efforts in bringing this promising new biotherapeutic to the thousands of children and families fighting these cancers globally.”

Through CellxLife’s proprietary platform, dendritic cells are taken from the body and presented with the patient’s own tumor cell antigens, then re-administered back into the body as an immunotherapeutic vaccine to educate the immune system. Study data generated to date has indicated that this both activates immune cells to attack remaining cancer cells in the body and shapes the immunological memory to greatly reduce the chances of cancer recurrence. In a prior Phase 1 study, 75% of pediatric participants diagnosed with metastatic Ewing’s or osteosarcoma, who responded well to surgery, overcame their cancer, and are still alive today. Out of all the participants in the trial, 62.5% of children with metastatic osteosarcoma who were treated with the dendritic cell-based therapy lived for more than 15 years.

The CellxLife clinical team believes the therapy can cross over to other solid tumors, such as ovarian, breast, colorectal, pancreatic, glioblastoma, lung, and other solid tumors. The principle is the same; once a tumor is removed, the vaccine will shape the immunological memory of the cancer cells in the lymph nodes and greatly reduce the chances of cancer recurrence.

“This could be a breakthrough for anyone who is faced with the horrible realization that cancer could reoccur after their tumor is removed,” said Ruvin Orbach, founder of CellxLife. “It’s an honor to have Eric on board as CEO at this important time of growth for CellxLife. We are committed to building the team and raising the capital required to further advance this de-risked therapeutic candidate. We are currently planning the Phase II trials with an orphan designation and significantly reducing the regulatory pathway for this promising immunotherapy.”

Dr. von Hofe has over 30 years of experience in managing and overseeing biotechnology programs, with a focus on cancer immunotherapy and technology development. Most recently he led development efforts at AffyImmune Therapeutics where he oversaw the clinical development and orphan designation for a novel CAR-T cell therapeutic targeting refractory thyroid cancer. Previously, he was at Antigen Express where he led the development of an immunotherapeutic vaccine for breast and prostate cancer, resulting in a collaboration with Merck. Prior to that, he worked at Millennium Pharmaceuticals first as Program Director for Target Validation and later as Director of Programs & Operations, Discovery Research. Previously, Dr. von Hofe was Director, New Targets at Hybridon, Inc., where he coordinated in-house and collaborative research that validated gene targets for novel antisense medicines. Dr. von Hofe also held the position of Assistant Professor of Pharmacology at the University of Massachusetts Medical School, where he received a National Cancer Institute Career Development Award for defining mechanisms by which alkylating carcinogens create cancers. He received his Ph.D. in Experimental Pathology from the University of Southern California and was a postdoctoral fellow at both the University of Zurich and Harvard University School of Public Health.

For more information, please visit www.cellxlife.com.

About CellxLife

CellxLife is a Phase I/II-stage biotechnology company founded in 2023 to acquire promising biotherapies and accelerate their regulatory approval. The company’s initial program is focused on advancing a dendritic cell-derived vaccine therapy targeting metastatic Ewing sarcoma and osteosarcoma. The company is also currently planning a basket trial for five other solid tumor indications. Based in Los Angeles, California, CellxLife can be found online at www.cellxlife.com.

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i https://www.dana-farber.org/cancer-care/types/childhood-ewing-sarcoma#:~:text=The%20five%2Dyear%20survival%20rate,is%2020%20to%2030%20percent ii https://pubmed.ncbi.nlm.nih.gov/30255612/

Ruvin Orbach ruvin@cellxlife.com