Pfizer doses first patient using investigational mini-dystrophin gene therapy for the treatment of Duchenne muscular dystrophy | DuchenneXchange

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Pfizer doses first patient using investigational mini-dystrophin gene therapy for the treatment of Duchenne muscular dystrophy


Pfizer Inc. has initiated a Phase 1b clinical trial for its mini-dystrophin gene therapy candidate, PF-06939926, in boys with Duchenne muscular dystrophy (DMD). The first boy received an infusion of the mini-dystrophin gene on March 22nd, administered under the supervision of principal investigator, Edward Smith, MD, Associate Professor of Pediatrics and Neurology at Duke University Medical Center. Screening and enrollment of patients is expected to continue at up to four clinical research sites in the United States. Early data from this trial are expected in the first half of 2019, once all patients have been evaluated for one full year post-treatment.

The multi-center, open-label, non-randomized, ascending dose study of a single intravenous infusion of PF-06939926 will enroll approximately 12 ambulatory boys aged 5 to 12 years with DMD. In addition to evaluating safety and tolerability, the study will evaluate measurements of dystrophin expression and distribution, as well as assessments of muscle strength, quality, and function.

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