Zafgen, Inc. is a biopharmaceutical company, which engages in the development of novel therapies for patients affected by complex metabolic diseases. It focuses on the study of MetAP2 inhibitors in both common and rare metabolic disorders. The firm also advancing programs for type 2 diabetes, Prader-Willi syndrome, and liver diseases. The company was founded on November 22, 2005 and is headquartered in Boston, MA.