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  • Title: Dose intensive combination platinum and cyclophosphamide in the treatment of patients with advanced untreated epithelial ovarian cancer.
    Author: Shapiro JD, Rothenberg ML, Sarosy GA, Steinberg SM, Adamo DO, Reed E, Ozols RF, Kohn EC.
    Journal: Cancer; 1998 Nov 01; 83(9):1980-8. PubMed ID: 9806657.
    Abstract:
    BACKGROUND: The authors combined cisplatin and carboplatin together with cyclophosphamide to maximize platinum dose intensity in patients with advanced epithelial ovarian cancer (AOC). METHODS: The authors treated 26 consecutive, newly diagnosed patients with International Federation of Gynecology and Obstetrics (FIGO) Stage III/IV AOC with carboplatin, 600 mg/m2, on Day 1; cyclophosphamide, 250 mg/m2, on Day 1; and cisplatin, 100 mg/m2, on Day 8 every 4 weeks with or without pretreatment with amifostine (range, 740-1140 mg/m2). Platinum dose intensity was estimated using a 4:1 conversion for equipotent doses of cisplatin and carboplatin for expression as cisplatin dose equivalents (CDE). RESULTS: The mean administered CDE was 49.4 mg/m2/week, which was 79% of the planned dose. Hematologic toxicity was severe, with FIGO Grade 3-4 anemia in 81% of patients, Grade 3-4 neutropenia in 92% of patients, and Grade 4 thrombocytopenia in 96% of patients. Eleven patients (42%) were admitted to the hospital for febrile neutropenia and there was 1 toxic death. Sensory neuropathy > or = Grade 2 occurred in 10 patients (38%), ototoxicity > or = Grade 2 occurred in 18 patients (69%), and 6 patients (23%) required long term hearing aids. Elevations in serum creatinine > or = Grade 2 occurred in 7 patients (27%) and > or = Grade 2 hypomagnesemia was noted in 23 patients (88%). Other Grade 3 toxicities were nausea (42%), emesis (38%), fatigue (15%), mucositis (4%), and respiratory toxicities (4%). Twenty-two of 26 patients (85%) had a clinical response (19 with a complete response [CR] and 3 with a partial response). Pathologic CR was demonstrated in 10 of 26 patients (38%) and residual microscopic disease in 4 of 26 patients (15%) for a total pathologic response rate of 53%. The median progression free survival was 13.5 months and the median overall survival was 37.2 months at a median potential follow-up of 79.3 months. Three of 26 patients remained free of disease at 66, 71, and 103 months, respectively. CONCLUSIONS: Although dose intensive combination platinum treatment combined with cyclophosphamide in patients with AOC is active, it also is associated with substantial toxicity.
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