Primary chemotherapy with cyclophosphamide, methotrexate, and 5-fluorouracil in operable breast carcinoma |
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Authors: | Falo Catalina Moreno Abelardo Benito Enrique Lloveras Belen Varela Mar Serra Jose Ma Prieto Luis Azpeitia Diego Escobedo Agustin |
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Affiliation: | Department of Medical Oncology, Unitat Funcional De MAMA, Institut Català d'Oncologia, Hospital Duran i Reynals, Hospital Universitari I, Universitari de Bellvitge, Barcelona, Spain. cfalo@ico.scs.es |
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Abstract: | BACKGROUND: Primary chemotherapy (PC) is becoming an accepted practice to treat large tumors to avoid mastectomies and as a surrogate of outcome. METHODS: A series of 305 patients with tumors >3 cm with T2-3N0-1M0 classification were treated with a multimodal approach that consisted of 3 courses of primary cyclophosphamide, methotrexate, and 5-fluorouracil (CMF) followed by appropriate local treatment and 3 more courses of CMF or 4 courses of doxorubicin. Response was assessed by mammography. RESULTS: The overall response rate was 48% (a 3% pathologic complete response rate). Conservative surgery was achieved in 79.64% of the patients with a low rate of local disease recurrences (5%). Toxicity was minimal. With a median follow-up of 104 months, the 8-year disease-free survival (DFS) rate was 57.63% and the 8-year overall survival (OS) was 67.65%. The DFS and OS rates for patients with a clinical response were significantly longer, i.e., 70% (P=0.0048) and 90% (P=0.0042), respectively. CONCLUSIONS: PC with CMF was feasible. A high rate of breast-conservative surgery was achieved. The current results stressed the value of PC to increase conservative surgery and as a predictor of outcome. |
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