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  • Title: Phase II evaluation of 3-day topotecan with cyclophosphamide in the treatment of recurrent ovarian cancer.
    Author: Hanjani P, Nolte S, Shahin MS.
    Journal: Gynecol Oncol; 2002 May; 85(2):278-84. PubMed ID: 11972388.
    Abstract:
    OBJECTIVE: The aim of this trial was to investigate the toxicity and efficacy of a 3-day topotecan administration schedule in combination with cyclophosphamide in the management of recurrent ovarian cancer. METHODS: Patients with recurrent measurable ovarian cancer who had up to two prior chemotherapy regimens for the management of their disease participating in this phase II trial were to receive topotecan at a dose of 1.25 mg/m(2)/day x 3 days in combination with cyclophosphamide at 600 mg/m(2) on Day 1 every 21 days. Dose escalation and reductions were permitted. RESULTS: A total of 36 patients (median age = 65; range 37-84) were treated with this combination regimen. Seventeen were platinum-sensitive and 19 were platinum-resistant. A total of 169 cycles of chemotherapy was administered (median = 4; range 1-10). Major toxicity included grade 4 neutropenia (68.6%), neutropenic fever (7.1%), grade 3 thrombocytopenia (18.3%), and requirement for blood transfusion (19.5%). Dose escalation was possible in 3 (8.3%), and dose reduction was required in 14 (38.9%) patients. Overall response rate was 25 and 44.5% stable disease. Median progression-free interval and overall survival was 5.4 and 23.5 months, respectively, independent of platinum sensitivity. CONCLUSION: The 3-day topotecan schedule in combination with cyclophosphamide appears to have good activity in recurrent ovarian cancer regardless of platinum sensitivity. Neutropenia was the only severe toxicity and was less prevalent than other reported trials of topotecan. This tolerable regimen offers patients more convenience and appears to have moderate activity.
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