title: Researchers left to guess at outcomes of most cancer clinical trials.
authors.forename: Renee
authors.initials: R
authors.lastname: Twombly
mesh_terms: D002986:Clinical Trials as Topic / Q000191:economics / Q000592:standards*; D017277:Drug Approval; D004345:Drug Industry; D006801:Humans; D018156:Journalism, Medical / Q000592:standards*; D054547:National Cancer Institute (U.S.); D009369:Neoplasms / Q000188:drug therapy* / Q000628:therapy; D018579:Patient Selection; D017594:Publication Bias; D012042:Registries; D012108:Research Personnel; D012109:Research Support as Topic; D016896:Treatment Outcome; D014481:United States; D014486:United States Food and Drug Administration