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Bookman MA , Malmstrom H , Bolis G , Gordon A , Lissoni A , Krebs JB , Fields SZ
Topotecan for the treatment of advanced epithelial ovarian cancer: An open-label phase II study in patients treated after prior chemotherapy that contained cisplatin or carboplatin and paclitaxel
Journal of Clinical Oncology. 1998 Oct;16(10) :3345-3352
PMID: ISI:000076347100019   
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Purpose: Topatecan, a topoisomerase I inhibitor, was evaluated in a multicenter, phase II study of women with epithelial ovarian carcinoma who relapsed after one or two prior regimens that included platinum and paclitaxel. Patients and Methods: Topotecan 1.5 mg/m(2) daily was administered as a 30-minute infusion for 5 consecutive days on a 21-day cycle. Eligibility criteria included bidimensionally measurable disease, Eastern Cooperative Oncology Group performance status of 2 or less, and adequate bone marrow, liver, and renal function. Efficacy was assessed by independent radiologic review. Results: One hundred thirty-nine patients were treated; 81% were platinum resistant. Sixty-two patients had received one prior regimen and 77 patients had received two prior regimens. Nine patients were not assessable for response; however, all patients were included in the response analysis. The overall response rate was 13.7%; 12.4% in platinum-resistant and 19.2% in platinum- sensitive patients. Stable disease lasted at least 8 weeks in 27.3% of the patients. The median duration of response and time to progression were 18.1 and 12.1 weeks, respectively. The median survival was 47.0 weeks. Grade 4 neutropenia occurred in 82% of the patients (34% of the courses) and thrombocytopenia in 30% of the patients (9% of the courses). Infectious complications occurred in 6% of the courses. Nonhematologic toxicities were mild. There were no drug-related toxic deaths. Conclusion: As a single agent, topotecan has modest activity in women with advanced epithelial ovarian carcinoma who have progressed or not responded after one or two prior regimens with platinum and paclitaxel. Further investigation of combination regimens is indicated in the primary therapy for ovarian cancer based on the mechanism of action and tolerability. (C) 1998 by American Society of Clinical Oncology.
Times Cited: 81 English Article 127JJ J CLIN ONCOL