Biomarin Pharmaceutical Inc.’s complete response letter (CRL) for Roctavian (valoctocogene roxaparvovec; Valrox) gene therapy for severe hemophilia A shocked the company, its investors and analysts mere days before its Aug. 21 PDUFA date. Now an approval and launch for what would have been the first approved hemophilia gene therapy is likely pushed back roughly two years.
Valrox (valoctocogene roxaparvovec) from San Rafael Calif-based Biomarin Pharmaceutical Inc. moved one step closer to entering the U.S. market, with the company reporting that that the FDA had accepted for priority review the BLA for its investigational AAV5 gene therapy for adults with hemophilia A.