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Medline ® Abstract for Reference 26

of 'Systemic treatment of metastatic breast cancer in women: Chemotherapy'

26
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Phase III study of intravenous vinorelbine in combination with epirubicin versus epirubicin alone in patients with advanced breast cancer: a Scandinavian Breast Group Trial (SBG9403).
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Ejlertsen B, Mouridsen HT, Langkjer ST, Andersen J, Sjöström J, Kjaer M, Scandinavian Breast Group Trial (SBG9403
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J Clin Oncol. 2004;22(12):2313.
 
PURPOSE: To determine whether the addition of intravenous (IV) vinorelbine to epirubicin increased the progression-free survival in first-line treatment of metastatic breast cancer.
PATIENTS AND METHODS: A total of 387 patients were randomly assigned to receive IV epirubicin 90 mg/m(2) on day 1 and vinorelbine 25 mg/m(2) on days 1 and 8, or epirubicin 90 mg/m(2) IV on day 1. Both regimens were given every 3 weeks for a maximum of 1 year but discontinued prematurely in the event of progressive disease or severe toxicity. In addition, epirubicin was discontinued at a cumulative dose of 1000 mg/m(2) (950 mg/m(2) from June 1999). Prior anthracycline-based adjuvant chemotherapy and prior chemotherapy for metastatic breast cancer was not allowed. Reported results were all based on intent-to-treat analyses.
RESULTS: Overall response rates to vinorelbine and epirubicin, and epirubicin alone, were 50% and 42%, respectively (P =.15). The complete response rate was significantly superior in the combination arm (17% v 10%; P =.048) as was median duration of progression-free survival (10.1 months v 8.2 months; P =.019). Median survival was similar in the two arms (19.1 months v 18.0 months; P =.50). Leukopenia related complications, stomatitis, and peripheral neuropathy were more common in the combination arm. The incidences of cardiotoxicity and constipation were similar in both arms.
CONCLUSION: Addition of vinorelbine to epirubicin conferred a significant advantage in terms of complete response rate and progression-free survival, but not in terms of survival.
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Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark. ejlertsen@rh.dk
PMID