Exondys Revisited? Translarna Brings Efficacy Woes Into US Panel Review

FDA has twice refused to file PTC Therapeutics' NDA for the Duchenne muscular dystrophy treatment because of 'clearly and convincingly negative' pivotal trials and questionable post hoc analyses; sponsor argues ataluren should be afforded the same consideration and flexibility given to Sarepta's DMD drug eteplirsen, which received a controversial accelerated approval.