Alnylam Confirms Orphan Drug Status for ALN-AT3, RNAI for Hemophilia Treatment

Alnylam Pharmaceuticals, Inc.

, a leading RNAi therapeutics company, announced today that the U.S. Food & Drug Administration (FDA) has granted an Orphan Drug Designation to ALN-AT3 as a therapeutic for the treatment of hemophilia B. Alnylam is developing ALN-AT3, a subcutaneously administered RNAi therapeutic targeting antithrombin (AT), for the treatment of hemophilia – including hemophilia A, hemophilia B, and hemophilia A or B with “inhibitors” – and other Rare Bleeding Disorders (RBD).