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Войти в исследования International journal of clinical oncology · 2004
Gemcitabine plus carboplatin; and gemcitabine, docetaxel, and carboplatin combined chemotherapy regimens in patients with metastatic urothelial carcinoma previously treated with a platinum-based regimen: preliminary report.
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Hoshi Senji, Ohyama Chikara, Ono Kunio, Takeda Atsushi, Yamashita Shinichi, Yamato Takashi, Itoh Akihiro, Satoh Makoto, Saito Seiichi, Okada Yasuhiro, Sohma Fumihiko, Arai Yoichi
Аннотация
BACKGROUND: The aim of this study was to evaluate the efficacy and safety of two combined chemotherapy regimens in the treatment of previously treated metastatic urothelial carcinoma: gemcitabine plus carboplatin (GC), and gemcitabine, docetaxel, and carboplatin (GDC).
METHODS: Sixteen patients with metastatic urothelial cancer, previously treated with a platinum-based regimen, were studied. GC (gemcitabine 750 mg/m(2), on days 1, 8, and 15; carboplatin 200 mg/m(2), on day 2) was administered every 28 days to 15 patients. GDC (gemcitabine 750 mg/m(2), on days 1 and 8; docetaxel 50 mg/m(2), on day 1; carboplatin 200 mg/m(2) on day 1) was administered every 21 days to 9 patients. Eight of the 9 GDC-treated patients had earlier been treated with GC and had become refractory.
RESULTS: With the GC therapy, 7 of the 15 treated patients (47%; 95% confidence interval, 21%-73%) showed an objective response, with 3 achieving a clinical complete response (CR) and 4 a partial response (PR). With the GDC therapy, 6 of the 9 treated patients (67%; 95% confidence interval, 29%-92%) showed an objective response, with 1 achieving CR and 5, PR. Five of the 8 (63%) GC-refractory patients responded to GDC therapy. The median duration of response was 4 months (range, 2-10+ months) on GC therapy, and 3 months (range, 3-5 months) on GDC therapy. Toxicities associated with GC were less than those with GDC.
CONCLUSION: GC was effective for refractory metastatic urothelial cancer, and GDC was effective for GC-refractory cancer. The aim of this study was to evaluate the efficacy and safety of two combined chemotherapy regimens in the treatment of previously treated metastatic urothelial carcinoma: gemcitabine plus carboplatin (GC), and gemcitabine, docetaxel, and carboplatin (GDC).
METHODS: Sixteen patients with metastatic urothelial cancer, previously treated with a platinum-based regimen, were studied. GC (gemcitabine 750 mg/m(2), on days 1, 8, and 15; carboplatin 200 mg/m(2), on day 2) was administered every 28 days to 15 patients. GDC (gemcitabine 750 mg/m(2), on days 1 and 8; docetaxel 50 mg/m(2), on day 1; carboplatin 200 mg/m(2) on day 1) was administered every 21 days to 9 patients. Eight of the 9 GDC-treated patients had earlier been treated with GC and had become refractory.
RESULTS: With the GC therapy, 7 of the 15 treated patients (47%; 95% confidence interval, 21%-73%) showed an objective response, with 3 achieving a clinical complete response (CR) and 4 a partial response (PR). With the GDC therapy, 6 of the 9 treated patients (67%; 95% confidence interval, 29%-92%) showed an objective response, with 1 achieving CR and 5, PR. Five of the 8 (63%) GC-refractory patients responded to GDC therapy. The median duration of response was 4 months (range, 2-10+ months) on GC therapy, and 3 months (range, 3-5 months) on GDC therapy. Toxicities associated with GC were less than those with GDC.
CONCLUSION: GC was effective for refractory metastatic urothelial cancer, and GDC was effective for GC-refractory cancer. The aim of this study was to evaluate the efficacy and safety of two combined chemotherapy regimens in the treatment of previously treated metastatic urothelial carcinoma: gemcitabine plus carboplatin (GC), and gemcitabine, docetaxel, and carboplatin (GDC).