BACKGROUND: [corrected] Chemotherapeutic agents are playing an increasing role in the management of urothelial carcinoma. Despite recent advances in the treatment of this disease there continues to be a need to identify new active agents and their toxicity spectra. Topotecan is an agent as yet unstudied in bladder cancer. METHODS: Ambulatory patients with progressive advanced urothelial carcinoma following prior systemic chemotherapy were treated with topotecan 1.5 mg/m2 intravenously (i.v.) daily for 5 days every three weeks for 6 cycles. Doses were modified for leukopenic fever, thrombocytopenic bleeding, and any grade 3 or 4 (NCI common toxicity criteria) toxicity. RESULTS: Forty-four eligible patients entered the trial. There were 4 partial responses for an overall response rate of 9.1% (exact 95% two-stage binomial CI, 2.9% to 25.5%). Major identified toxicities were gastrointestinal and myelosuppression. There were no treatment-related deaths. CONCLUSIONS: Topotecan at this dose and schedule has minimal activity in previously treated patients with advanced urothelial carcinoma. Toxicities can be severe but are manageable.
BACKGROUND: [corrected] Chemotherapeutic agents are playing an increasing role in the management of urothelial carcinoma. Despite recent advances in the treatment of this disease there continues to be a need to identify new active agents and their toxicity spectra. Topotecan is an agent as yet unstudied in bladder cancer. METHODS: Ambulatory patients with progressive advanced urothelial carcinoma following prior systemic chemotherapy were treated with topotecan 1.5 mg/m2 intravenously (i.v.) daily for 5 days every three weeks for 6 cycles. Doses were modified for leukopenic fever, thrombocytopenic bleeding, and any grade 3 or 4 (NCI common toxicity criteria) toxicity. RESULTS: Forty-four eligible patients entered the trial. There were 4 partial responses for an overall response rate of 9.1% (exact 95% two-stage binomial CI, 2.9% to 25.5%). Major identified toxicities were gastrointestinal and myelosuppression. There were no treatment-related deaths. CONCLUSIONS:Topotecan at this dose and schedule has minimal activity in previously treated patients with advanced urothelial carcinoma. Toxicities can be severe but are manageable.
Authors: C N Sternberg; A Yagoda; H I Scher; R C Watson; N Geller; H W Herr; M J Morse; P C Sogani; E D Vaughan; N Bander Journal: Cancer Date: 1989-12-15 Impact factor: 6.860
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