Acceleron Pharma, Inc. is a public American "clinical stage biopharmaceutical company" based in Cambridge, Massachusetts with a broad focus on developing medicines that regulate the transforming growth factor beta superfamily of proteins, which play fundamental roles in the growth and repair of cells and tissues such as red blood cells, muscle, bone, and blood vessels.
Acceleron has four drugs in clinical trials, and one in preclinical development.
The company was formed in June 2003 in Cambridge, Massachusetts as a Delaware corporation; the original name was Phoenix Pharma.
The founders were scientists Jasbir Seehra, Tom Maniatis, Mark Ptashne, Wylie Vale, and scientific advisor Joan Massague, and business people and investors John Knopf and Christoph Westphal of Polaris Venture Partners, who served as founding CEO. The company was founded to discover and develop drugs based on the scientific discoveries of the scientific founders in the field of growth factors and transforming growth factors in the fields of metabolic disorders like obesity, diabetes, osteoporosis, and muscle-wasting conditions.
The company began with a seed round from Polaris of $250,000 and then had a Series A venture capital investment of $25 million that it used to open its first laboratory in December 2003.
Glenn Batchelder was appointed president and CEO in June 2004.