Golodirsen Rebuff: Did Exondys 51 Review Strife Influence US FDA's Decision?
Sarepta cited two safety issues when announcing a complete response letter for its exon 53 skipping DMD drug golodirsen, but the US FDA's decision may be a result of the Exondys 51 approval from 2016, analysts suggest.
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The next-generation DMD drug showed dramatic improvement on exon dystrophin and exon skipping, but small numbers and adverse events give pause.
ODE I director Ellis Unger chafed at the notion of approving the Duchenne muscular dystrophy drug golodirsen on the same unvalidated surrogate marker, this time in the face of infection and renal toxicity concerns; OND’s Peter Stein granted Sarepta’s appeal while also calling attention to the company’s failure to timely conduct the eteplirsen confirmatory trial.
Sarepta’s Vyondys: Renal Toxicity Concerns That Delayed Approval Get Enhanced Postmarketing Scrutiny, Label Warning
Sarepta must perform enhanced pharmacovigilance for serious renal toxicity events and rhabdomyolysis with the Duchenne muscular dystrophy drug, which carries a label warning for renal toxicity. Approval letter includes 2024 target completion date for ESSENCE confirmatory trial.