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  • Title: Vinorelbine and cisplatin (CIVIC regimen) for the treatment of metastatic breast carcinoma after failure of anthracycline- and/or paclitaxel-containing regimens.
    Author: Ray-Coquard I, Biron P, Bachelot T, Guastalla JP, Catimel G, Merrouche Y, Droz JP, Chauvin F, Blay JY.
    Journal: Cancer; 1998 Jan 01; 82(1):134-40. PubMed ID: 9428489.
    Abstract:
    BACKGROUND: A pilot study of a new chemotherapy, the CIVIC regimen, was performed in 58 patients with metastatic breast carcinoma previously treated with chemotherapy with or without hormonal therapy (n = 41). Cisplatin, 20 mg/m2/day, was given (Days 1-5) every 21 days during a 1-hour intravenous (i.v.) infusion, and vinorelbine (VNB) was delivered at a dose of 6 mg i.v. bolus followed by VNB, 6 mg/m2/day, in continuous i.v. infusion (Days 1-5) every 21 days. METHODS: Fifty-eight patients were included in this trial between June 1992 and March 1994 (median age, 46.5 years; range, 28-69 years). The number of previous chemotherapy in the adjuvant or metastatic phase were: 1 in 9 patients, 2 in 33 patients, and > or = 3 in 16 patients. Forty-four and 12 patients, respectively, were previously treated in metastatic phase with regimens containing anthracyclines and paclitaxel. Overall, 210 cycles were given (median, 3 cycles; range, 1-6 cycles). RESULTS: Among the 58 patients assessable for tumor response to the CIVIC regimen, 24 patients (41%) (95% confidence interval, 28-54) achieved an objective response (complete response or partial response) with 2 complete response (3%) and 22 partial response (38%). The median time to response was 11 weeks (range, 4-16 weeks). The median survival time from the initiation of the CIVIC regimen was 9.2 months (range, 0-45 months). The response rate was 43% (19 of 44 patients) in patients refractory to anthracyclines and 58% (7 of 12 patients) in patients with disease progression after treatment with anthracyclines and paclitaxel. Myelosuppression was the most frequent side effect. World Health Organization Grade 3 neutropenia occurred in 8 of 58 patients (14%) and in 41 of 210 cycles (20%), Grade 4 neutropenia occurred in 37 of 58 patients (64%) and in 63 of 210 cycles (30%), and Grade 3 and 4 thrombopenia occurred in 7 of 58 patients (12%) and in 9 of 210 cycles (4%). Grade 2 peripheral neuropathy was observed in 6 of 58 patients (10%) and in 12 of 210 cycles (6%), and Grade 3 peripheral neuropathy was observed in 3 of 58 patients (5%) and in 4 of 210 cycles (2%). The risk of Grade 2-3 neuropathy was significantly higher after the fourth chemotherapy cycle (14 of 23 patients vs. 3 of 35 patients: P = 0.00002). CONCLUSIONS: The CIVIC regimen is effective and has acceptable tolerance in patients with metastatic breast carcinoma refractory to previous anthracycline- and/or paclitaxel-containing chemotherapy. Four cycles were found to provide the best toxicity-efficacy ratio.
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