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  • Title: Comparison of two standard chemotherapy regimens for good-prognosis germ-cell tumours: a randomised trial. Australian and New Zealand Germ Cell Trial Group.
    Author: Toner GC, Stockler MR, Boyer MJ, Jones M, Thomson DB, Harvey VJ, Olver IN, Dhillon H, McMullen A, Gebski VJ, Levi JA, Simes RJ.
    Journal: Lancet; 2001 Mar 10; 357(9258):739-45. PubMed ID: 11253966.
    Abstract:
    BACKGROUND: Most patients with metastatic germ-cell tumours are cured with chemotherapy. However, the optimum chemotherapy regimen is uncertain, and there is variation in international practice. We did a multicentre randomised trial to compare two standard chemotherapy regimens for men with good-prognosis germ-cell tumours. METHODS: Good prognosis was defined by modified Memorial Sloan-Kettering criteria. The first regimen (regimen A) was based on treatment recommendations from Indiana University and comprised three cycles of 20 mg/m2 cisplatin on days 1-5, 100 mg/m2 etoposide on days 1-5, and 30 kU bleomycin on days 1, 8, and 15, repeated every 21 days. The second regimen (regimen B) was based on the control regimen of a published randomised clinical trial and comprised four cycles of 100 mg/m2 cisplatin on day 1, 120 mg/m2 etoposide on days 1-3, and 30 kU bleomycin on day 1, repeated every 21 days. The primary outcome measure was overall survival. Analysis was by intention to treat. FINDINGS: 166 patients were randomised, 83 to each regimen. The trial was stopped when the second planned interim analysis met predefined stopping rules. The median follow-up was 33 months. Overall survival was substantially better with regimen A (three vs 13 deaths, hazard ratio 0.22 [95% CI 0.06-0.77], p=0.008). This difference was due to deaths from cancer (one vs nine), and not deaths from treatment (two vs two) and remained significant after adjustment for other prognostic factors (0.25 [0.07-0.88], p=0.03). INTERPRETATION: In men with good-prognosis germ-cell tumours, the regimen developed at Indiana University is superior to the alternative regimen studied in this trial. The lower total dose and dose-intensity of bleomycin and the lower dose-intensity of etoposide in regimen B could be responsible for the worse outcome.
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