FDA Accepts BioMarin BLA for Gene Therapy

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FDA has accepted for review a BioMarin BLA resubmission for gene therapy valoctocogene roxaparvovec for adults with severe hemophilia A. The agency has set a user fee review action target date of 3/31, and currently it has not communicated any plans to hold an advisory committee meeting, according to the company. Previously, BioMarin said it expects an additional three months may be added to the review “based on the number of data read-outs that will emerge during the procedure.”

The resubmission includes the company’s response to a 2020 complete response letter and subsequent agency feedback, including two-year outcomes data from the global GENEr8-1 Phase 3 study and supportive data from five years of follow-up from the ongoing Phase 1/2 dose escalation study, BioMarin says. It also proposes a long-term extension study following all clinical trial participants for up to 15 years, as well as a post-approval registry study to follow patients dosed in a real-world setting.

Additionally, BioMarin notes that data on three years after dosing will become available during the expected BLA review.

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