title: Progression-free survival: does a correlation with survival justify its role as a surrogate clinical endpoint?
authors.affiliation: Department of Urology, University Hospital Hamburg-Eppendorf, Hamburg, Germany; Martini-Clinic, Prostate Cancer Center, Hamburg, Germany.
authors.forename: Andreas
authors.initials: A
authors.lastname: Becker
authors.forename: Christian
authors.initials: C
authors.lastname: Eichelberg
authors.forename: Maxine
authors.initials: M
authors.lastname: Sun
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D002292:Carcinoma, Renal Cell / Q000188:drug therapy*; D005260:Female; D006801:Humans; D016898:Interferon-alpha / Q000627:therapeutic use*; D007680:Kidney Neoplasms / Q000188:drug therapy*; D008297:Male
chemical_list: D016898:Interferon-alpha