Angiocrine Bioscience Announces FDA Regenerative Medicine Advanced Therapy (RMAT) Designation Granted to AB-205

About Regenerative Medicine Advanced Therapy (RMAT) DesignationEstablished under the 21st Century Cures Act, the RMAT designation was established to facilitate development and expedite review of cell therapies and regenerative medicines intended to treat serious or life-threatening diseases or conditions. Advantages include the benefits of the FDA's Fast Track and Breakthrough Therapy Designation programs, such as early interactions with the FDA to discuss potential surrogate or intermediate endpoints to support accelerated approval.

About HDT-AHCT High-dose therapy and autologous hematopoietic cell transplantation (HDT-AHCT) is considered a standard-of-care therapy for patients with aggressive systemic Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL).Although efficacious and considered a potential cure, HDT-AHCT is associated with severe regimen-related toxicities (SRRT) that increase patient morbidity and risk for mortality, especially in the aging population. Effective prevention of SRRT may lead to more patients being eligible for a potential cure through HDT and stem cell transplantation.

About SRRT Consequences of Diffuse Injury to the Organ Vascular NichesThe human body is capable of renewing, healing and restoring organs.For example, the human oral-GI tract renews its lining every 3 to 7 days. Both the organ renewal and healing processes are dependent on organ stem cell vascular niches made up of stem cells, endothelial cells (cells that line blood vessels) and supportive cells.When tissues are injured, the vascular niche endothelial cells direct the stem cells, via angiocrine factor expression, to repair and restore the damaged tissue. This restorative capacity is most active during childhood and youth but starts to diminish with increasing age.HDT provided to eradicate cancer cells also cause diffuse, collateral damage to vascular niches of multiple healthy organs. In particular, the organs with the highest cell turnover (ones with most active vascular niches) are severely affected.Specifically, the oral-GI tract, dependent on constant renewal of its mucosal lining, starts to break down upon vascular niche injury.The mucosal breakdown can cause severe nausea, vomiting and diarrhea. In addition, the bacteria in the gut may escape into the circulation, resulting in patients becoming ill with endotoxemia, bacteremia or potentially lethal sepsis.HDT-related vascular niche damage can also occur in other organs resulting in severe or life-threatening complications involving the lung, heart, kidney, or the liver.Collectively, these complications are known as severe regimen-related toxicities or SRRT.SRRT can occur as frequently as 50% in lymphoma HDT-AHCT patients, with increased rate and severity in older patients.

About AB205AB-205 is a first-in-class engineered cell therapy consisting of proprietary 'universal' E-CEL (human engineered cord endothelial) cells.The AB-205 cells are intravenously administered after the completion of HDT on the same day as when the patient's own (autologous) blood stem cells are infused. AB-205 acts promptly to repair injured vascular niches of organs damaged by HDT.By repairing the vascular niches, AB-205 restores the natural process of tissue renewal, vital for organs such as oral-GI tract and the bone marrow. Successful and prompt organ restoration can prevent or reduce SRRT, an outcome that is beneficial to quality of life and cost reductive to the healthcare system.

About CIRMThe California Institute for Regenerative Medicine (CIRM) was established in November, 2004 with the passage of Proposition 71, the California Stem Cell Research and Cures Act. The statewide ballot measure provided $3 billion in funding for California universities and research institutions.With over 300 active stem cell programs in their portfolio, CIRM is the world's largest institution dedicated to stem cell research. For more information, visit http://www.cirm.ca.gov.

About Angiocrine Bioscience Inc.Angiocrine Bioscience is a clinical-stage biotechnology company developing a new and unique approach to treating serious medical conditions associated with the loss of the natural healing and regenerative capacity of the body.Based on its novel and proprietary E-CEL platform, Angiocrine is developing multiple therapies to address unmet medical needs in hematologic, musculoskeletal, gastrointestinal, soft-tissue, and degenerative/aging-related diseases.A Phase 3 registration trial is being planned for the intravenous formulation of AB-205 for the prevention of severe complications in lymphoma patients undergoing curative HDT-AHCT.This AB-205 indication is covered by the Orphan Drug Designation recently granted by the US FDA.In addition, Angiocrine is conducting clinical trials of local AB-205 injections for the treatment of: (1) rotator cuff tear in conjunction with arthroscopic repair; and, (2) non-healing perianal fistulas in post-radiation cancer patients.

For additional information, please contact:

Angiocrine Bioscience, Inc.John R. Jaskowiak(877) 784-8496[emailprotected]

SOURCE Angiocrine Bioscience, Inc.

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Angiocrine Bioscience Announces FDA Regenerative Medicine Advanced Therapy (RMAT) Designation Granted to AB-205 (Universal E-CEL Cell Therapy) to...

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