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Sarepta Therapeutics: Update on Gene Therapy SRP-9001 & SRP-9001-102

January 13, 2022
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Sarepta Therapeutics recently announced topline results from Part 2 of Study SRP-9001-102 (Study 102) that showed statistically significant functional improvements for the treatment of Duchenne muscular dystrophy:

“We are delighted to report positive results for Part 2 of our blinded, placebo-controlled Study 102 in Duchenne, where the 48-week functional benefits of SRP-9001 in patients dosed at cross-over were statistically significant when compared to pre-specified matched external controls. Furthermore, the safety profile of SRP-9001 remains consistent with the wealth of previous clinical data.”

Doug Ingram, President and Chief Executive Officer

Click the button below to read the full press release.

About Study SRP-9001-102 (Study 102)

Study SRP-9001-102 (Study 102) is a double-blind, 1:1 randomized, placebo-controlled clinical trial of SRP-9001 in 41 participants with Duchenne muscular dystrophy between the ages of 4 to 7. Study 102 uses clinical process SRP-9001 material and has two primary endpoints: micro-dystrophin expression at 12 weeks and change in NSAA total score at 48 weeks compared to placebo. Secondary endpoints include certain timed functional tests; micro-dystrophin expression measured by immuno-fluorescence fiber intensity; and micro-dystrophin expression measured by immuno-fluorescence percent dystrophin positive fibers. In Part 1, results from the treatment and placebo groups were compared through 48 weeks following treatment. In Part 2, the study remained blinded to the participants and investigators, while all participants in the placebo group crossed over to active treatment and all participants were followed for another 48 weeks while safety and efficacy were evaluated. Participants will be evaluated for five years total after treatment.

About SRP-9001 (delandistrogene moxeparvovec)

SRP-9001 (delandistrogene moxeparvovec) is an investigational gene transfer therapy intended to deliver the micro-dystrophin-encoding gene to muscle tissue for the targeted production of the micro-dystrophin protein. Sarepta is responsible for global development and manufacturing of SRP-9001 and plans to commercialize SRP-9001 in the United States upon receiving FDA approval. In December 2019, Roche partnered with Sarepta to combine Roche’s global reach, commercial presence and regulatory expertise with Sarepta’s gene therapy candidate for Duchenne to accelerate access to SRP-9001 for patients outside the United States. Sarepta has exclusive rights to the micro-dystrophin gene therapy program initially developed at the Abigail Wexner Research Institute at Nationwide Children’s Hospital.

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