For some at the US Food and Drug Administration, the review of Sarepta Therapeutics Inc.’s Duchenne muscular dystrophy drug Vyondys 53 (golodirsen) provided an opportunity to try to right the wrongs they saw with the accelerated approval of Exondys 51 (eteplirsen) three years earlier.
The mere fact of eteplirsen’s approval, and the precedent it set, was wrong in the eyes of some agency staffers....








