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Exondys Revisited? Translarna Brings Efficacy Woes Into US Panel Review

Executive Summary

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.

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PTC Therapeutics appears to be hoping that CDER Director Woodcock will do for ataluren what she did for Sarepta's exon-skipping Duchenne muscular dystrophy treatment Exondys 51 since dispute resolution request would first go to Office of New Drugs, where Woodcock is acting director.

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