title: Regulatory issues in ALS clinical trials.
authors.affiliation: US Food and Drug Administration, Maryland, USA.
authors.forename: Wilson W
authors.initials: WW
authors.lastname: Bryan
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000188:drug therapy*; D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence*; D017277:Drug Approval; D004359:Drug Therapy, Combination; D006801:Humans; D007883:Legislation, Medical