Pfizer’s gene therapy for rare genetic bleeding disorder succeeds in late-stage trial CNBCPfizer gene therapy reduced hemophilia bleeds, but questions remain STATSangamo Therapeutics Reports on Pfizer’s Announcement of Positive Topline Results From Phase 3 Trial of Hemophilia A Gene Therapy Candidate Business WirePfizer’s Treatment for Bleeding Disorder Meets Goal in Key Trial BloombergPfizer’s gene therapy offers alternative to ‘burden’ of regular infusions, but can it outlast Roctavian? Fierce Biotech