Pfizer Amends Trial Protocol Due to Adverse Events

Pfizer has submitted a clinical trial protocol amendment to a Phase 3 gene therapy trial for fordadistrogene movaparvovec in Duchenne Muscular Dystrophy patients after three severe adverse events were reported. Based on these adverse events, individuals with mutations (exon deletion, exon duplication, insertion, or point mutation) affecting exons 9 through 13, inclusive, or a deletion that affects both exon 29 and exon 30 will be excluded from the protocol, according to the company. The trial will continue to recruit a total of 99 patients who fit the amended protocol.

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