Catalyst’s Recombinant Factor IX Variant for Hemophilia B Wins FDA Orphan Drug Status
The U.S. Food and Drug Administration (FDA) has granted orphan drug status (ODD) to Catalyst Biosciences’ highly potent recombinant human factor IX variant CB 2679d (also known as ISU304) to treat hemophilia B. Catalyst is evaluating CB 2679d’s potential for subcutaneous prophylactic treatment in people with hemophilia B. The regulatory…