• A one-time dose of DURVEQTIX has reduced bleeds post-treatment compared to standard of care with a median annualized bleed rate (ABR) of zero bleeds (range 0 to 9.9) after up to four years of follow-up, providing sustained bleed protection and potentially avoiding years of treatment burden with prophylaxis for many patients.

NEW YORK--(BUSINESS WIRE)-- Pfizer Inc. (NYSE: PFE) today announced that the European Commission (EC) has granted conditional marketing authorization for DURVEQTIX^® (fidanacogene elaparvovec), a gene therapy for the treatment of severe and moderately severe hemophilia B (congenital factor IX deficiency) in adult patients without a history of factor IX inhibitors and without detectable antibodies to variant AAV serotype Rh74. DURVEQTIX is designed to enable people living with hemophilia B to produce factor IX (FIX) themselves via a one-time dose, rather than multiple intravenous FIX infusions weekly or biweekly with the current standard of care.^1,2,3

“There is a substantial medical and treatment burden for people with hemophilia B that receive standard of care today, with frequent infusions and many remaining at risk of breakthrough bleeds that can lead to pain and restricted mobility,” said Alexandre de Germay, Chief International Commercial Officer and Executive Vice President, Pfizer. “DURVEQTIX has shown the potential to offer long-term bleed protection in a one-time dose, reducing or eliminating bleeds for the appropriate patients with hemophilia B. These outcomes and their impact could become potentially transformative for hemoph…