 Acceleron Pharma

Acceleron Pharma, Inc. is a public American "clinical stage biopharmaceutical company" based in Boston, Massachusetts with a broad focus on developing medicines that regulate the transforming growth factor beta (TGF-β) 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.