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  • Title: Phase II study of oxaliplatin and fluorouracil in taxane- and anthracycline-pretreated breast cancer patients.
    Author: Zelek L, Cottu P, Tubiana-Hulin M, Vannetzel JM, Chollet P, Misset JL, Chouaki N, Marty M, Gamelin E, Culine S, Dieras V, Mackenzie S, Spielmann M.
    Journal: J Clin Oncol; 2002 May 15; 20(10):2551-8. PubMed ID: 12011135.
    Abstract:
    PURPOSE: Phase II study evaluating efficacy and safety of combined oxaliplatin/fluorouracil (5-FU) in taxane-pretreated advanced and metastatic breast cancer (ABC) patients. PATIENTS AND METHODS: Sixty-four taxane- and anthracycline-pretreated (within 6 months of study entry) women were treated with oxaliplatin 130 mg/m(2) (2-hour intravenous [IV] infusion), day 1, and 5-FU 1,000 mg/m(2)/d (continuous IV infusion) days 1 to 4, every 3 weeks. RESULTS: Median patient age was 51 years (range, 34 to 71 years), with a median of two involved organs (range, one to six organs), and metastases in the liver (70%), bone (47%), and lung (34%). Patients had a median of two prior chemotherapy regimens (range, one to six regimens), and 78% had previous hormonal therapy, with clinical taxane and anthracycline resistance in 53% and 34%, respectively. A total of 367 cycles were administered, with a median of six cycles/patient (range, one to 15 cycles). Sixty patients were assessable for response (World Health Organization criteria): 17 partial response, 26 stable disease, and 17 disease progression, giving an overall response rate of 27% (95% confidence interval, 16.3% to 39.1%), and 26% and 36% in taxane- and anthracycline-resistant populations, respectively, all responders having metastatic liver disease. Median time to progression was 4.8 months, and median overall survival was 11.9 months. Four treatment-related serious adverse events occurred, seven patients withdrew because of treatment-related toxicity. Hematotoxicity was prevalent but rarely severe, with grade 3-4 neutropenia, leukopenia, and thrombocytopenia in 34%, 19%, and 16% of patients, respectively, and a single episode of febrile neutropenia. One third of patients developed grade 2-3 peripheral neuropathy (oxaliplatin-specific scale), with grade 3 in only 8%. CONCLUSION: This oxaliplatin/5-FU combination is effective with an excellent safety profile in anthracycline/taxane-pretreated ABC patients, showing encouraging activity in patients with anthracycline/taxane-resistance or visceral disease.
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