Pfizer Inc. (NYSE:PFE) shares are ticking lower after the company disclosed disappointing results from its Phase 3 CIFFREO study, evaluating the investigational gene therapy for Duchenne muscular dystrophy (DMD) in young boys.
The study did not achieve its primary endpoint of improving motor function in patients aged 4 to 7 years.
The multinational, placebo-controlled trial assessed the efficacy of the gene therapy using the North Star Ambulatory Assessment (NSAA) over one year.
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