Pfizer’s Gene Therapy Asset Chases UniQure/CSL’s Hemgenix After Pivotal Hemophilia B Success

Pfizer’s fidanacogene elaparvovec has hit the mark in a Phase III hemophilia B trial just a month after rival UniQure’s Hemgenix won US approval, with Pfizer’s plans for regulatory action raising the stakes for Hemgenix.  

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Pfizer Is Catching Up With UniQure In The Race To Market • Source: Shutterstock

Pfizer Inc. is set to challenge uniQure N.V./CSL Limited’s Hemgenix after the former’s adeno-associated virus (AAV)-based gene therapy asset for hemophilia B passed a Phase III trial, sparking plans for talks with regulators next year.

The BENEGENE-2 trial set Pfizer’s candidate, fidanacogene elaparvovec, against Factor IX (FIX) prophylaxis in 45 adult males with moderately severe to severe forms of hemophilia B, a rare blood disorder

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