Alnylam Suspends All Trials of Fitusiran After Hemophilia A Patient Dies in Phase 2 Study

Alnylam Pharmaceuticals has suspended patient dosing in all ongoing studies of its RNA therapy fitusiran to treat hemophilia A or B, after a patient died of swelling in the brain in a Phase 2 open-label extension trial. The company will work with the regulatory agencies in reviewing the cause of the…

Phase 1 Trial of Potential RNA Therapy Fitusiran Shows Promise for Hemophilia A and B

Once-monthly injection of the investigational RNA therapy Fitusiran reduced the levels of the protein antithrombin, a natural inhibitor of several components of the clotting system, and restored the balance of clotting elements production in adult patients with hemophilia A or B. These findings were featured in the article “Targeting…