If Amylyx Pharmaceuticals, Inc.’s amyotrophic lateral sclerosis drug AMX0035 secures US Food and Drug Administration approval, it looks to be in no small part thanks to Billy Dunn, director of the Office of Neuroscience in the Office of New Drugs and his interpretation of the agency’s legal duty to exercise the broadest possible regulatory flexibility.
A key part of that regulatory flexibility in this case, per Dunn, is being more comfortable approving a drug that...





