title: Letrozole's superiority over progestins and tamoxifen challenges standards of care in endocrine therapy for metastatic breast cancer.
authors.affiliation: Jules Bordet Institute, Chemotherapy Unit, Boulevard de Waterloo 125, 1000, Brussels, Belgium. martine.piccart@bordet.be
authors.forename: M J
authors.initials: MJ
authors.lastname: Piccart
authors.forename: F
authors.initials: F
authors.lastname: Cardoso
authors.forename: G
authors.initials: G
authors.lastname: Atalay
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use; D001943:Breast Neoplasms / Q000188:drug therapy*; D018592:Cross-Over Studies; D004311:Double-Blind Method; D004791:Enzyme Inhibitors / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D000077289:Letrozole; D009362:Neoplasm Metastasis; D009570:Nitriles / Q000627:therapeutic use*; D011372:Progestins / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D013629:Tamoxifen / Q000627:therapeutic use*; D016896:Treatment Outcome; D014230:Triazoles / Q000627:therapeutic use*
chemical_list: D000970:Antineoplastic Agents; D018931:Antineoplastic Agents, Hormonal; D004791:Enzyme Inhibitors; D009570:Nitriles; D011372:Progestins; D014230:Triazoles; D013629:Tamoxifen; D000077289:Letrozole