The US Food and Drug Administration is relying on enhanced pharmacovigilance and a label warning to address one of the safety concerns that Sarepta Therapeutics Inc. said delayed approval of its Duchenne muscular dystrophy drug Vyondys 53 (golodirsen).
Golodirsen received accelerated approval 12 December for patients with a confirmed mutation of the DMD gene that is amenable to exon 53 skipping. The approval was a surprise, coming less...