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Gemcitabine - Cisplatin

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Abstract: Phase II trial of gemcitabine plus cisplatin in patients with metastatic urothelial cancer.

PURPOSE: To assess the activity and toxicity of the combination of gemcitabine and cisplatin in the treatment of chemotherapy-naive patients with metastatic urothelial cancer. PATIENTS AND METHODS: Forty-six patients with measurable stage IV carcinoma of the urothelium were enrolled onto this trial. Gemcitabine 1,000 mg/m(2) was administered intravenously for 30 to 60 minutes on days 1, 8, and 15 of each 28-day cycle. Cisplatin was administered after gemcitabine on day 1 of each cycle. The first 11 patients received an initial cisplatin dose of 100 mg/m(2). Due to the hematologic toxicity observed in several of these patients, the dose was reduced to 75 mg/m(2) in the remaining 35 patients. Patients were treated with six cycles, unless disease progression or severe toxicity necessitated earlier discontinuation. RESULTS: Ten of the 46 patients achieved a complete response and nine showed a partial response. The overall response rate was 41%. The median time to treatment failure was 5.5 months. The median survival was 14.3 months, and the 1-year survival probability was 54%. Most of the toxicities were hematologic and, in general, easily manageable. CONCLUSION: Gemcitabine plus cisplatin is active in the treatment of metastatic urothelial cancer in chemotherapy-naive patients and has an acceptable clinical safety profile. Studies are under way to further define the place of gemcitabine in combination with other chemotherapeutic agents in the treatment of metastatic urothelial cancer.

References
Kaufman D, Raghavan D, Carducci M, Levine EG, Murphy B, Aisner J, Kuzel T, Nicol S, Oh W, Stadler W. Phase II trial of gemcitabine plus cisplatin in patients with metastatic urothelial cancer. J Clin Oncol 2000 May;18(9):1921-7.

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