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Ampio Pharmaceuticals, Inc., a biopharmaceutical company, develops therapies for the treatment of osteoarthritis of the knee (OAK) in the United States. It develops OA-201, a small molecule formulation for the treatment of OAK pain. The company is headquartered in Englewood, Colorado.

Athersys, Inc., a biotechnology company, focuses on the research and development activities in the field of regenerative medicine. Its clinical development programs are focused on treating neurological conditions, cardiovascular diseases, inflammatory and immune disorders, and pulmonary and other conditions. The company's lead platform product includes MultiStem cell therapy, an allogeneic stem cell product for the treatment of patients suffering from neurological damage from an ischemic stroke, as well as for acute respiratory distress syndrome, trauma complications, HSC transplant support, and other indications. It also develops MultiStem cell therapy to promote tissue repair and healing for animal patients. The company has license and collaboration agreements with Healios K.K. to develop and commercialize MultiStem cell therapy for ischemic stroke, acute respiratory distress syndrome, and ophthalmological indications, as well as for the treatment of liver, kidney, pancreas, and intestinal tissue diseases; and the University of Minnesota to develop MultiStem cell therapy platform. The company was founded in 1995 and is headquartered in Cleveland, Ohio.

Calithera Biosciences, Inc. operates under a plan of liquidation that was approved in January 2023. Previously, the company was engaged in the clinical stage precision oncology biopharmaceutical business. Calithera Biosciences, Inc. was incorporated in 2010 and is headquartered in South San Francisco, California.

ObsEva SA is a clinical-stage biopharmaceutical company, which engages in the research and development of therapeutic treatments for women's reproductive health and pregnancy. It offers biopharmaceutical drugs addressing conditions compromising pregnancy from conception to birth. The company was founded by Ernest Loumaye and André Chollet on November 14, 2012 and is headquartered in Geneva, Switzerland.