The US Food and Drug Administration’s approval of Pfizer Inc.’s Beqvez (fidanacogene elaparvovec-dzkt) for hemophilia B provides an early example of the nascent competitive landscape between gene therapies, particularly as manufacturers have previously mostly pursued niche indications in which they did not compete with one another.
Pfizer announced the FDA approval of Beqvez on 26 April for adults with moderate to severe hemophilia B who currently...








