Sarepta Submits BLA for Duchenne Gene Therapy

Sarepta Therapeutics has submitted a BLA seeking accelerated approval of SRP-9001 (delandistrogene moxeparvovec) to treat ambulant patients with Duchenne muscular dystrophy. SRP-9001 is a gene therapy being developed in partnership with Roche.

The submission relies on the expression of SRP-9001 dystrophin protein, “an internally shortened and functional version of dystrophin, as a surrogate endpoint reasonably likely to predict clinical benefit,” according to the company. “In clinical trials, SRP-9001 demonstrated positive results at multiple time points, including one-, two- and four-years after treatment, in addition to a consistent safety profile.” Sarepta also says it has proposed its fully-enrolled study EMBARK as its confirmatory study to support the accelerated approval.

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