title: Survival is not a good outcome for randomized trials with effective subsequent therapies.
authors: Marc
authors: M
authors: Buyse
authors: Daniel J
authors: DJ
authors: Sargent
authors: Everardo D
authors: ED
authors: Saad
mesh_terms: D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic