Vincristine, doxorubicin, and cyclophosphamide versus low-dose intravenous cyclophosphamide, methotrexate, and 5-fluorouracil in advanced breast cancer. A randomized trial of the piedmont oncology association

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Abstract
Eighty-one evaluable patients with recurrent or metastatic breast cancer were randomized to receive either vincristine 1 mg/m2, doxorubicin 40 mg/m2 on day one and cyclophosphamide 200 mg/m2 orally days 3–6 (VAC); or cyclophosphamide 350 mg/m2, methotrexate 20 mg/m2, and 5-fluorouracil 350 mg/m2 (CMF) intravenously, all on day 1. Courses of each of the above regimens were repeated every three weeks. Twenty-one of 45 patients (47%) on VAC and seven of 44 patients (16%) on CMF had complete or partial response (P < 0.05). The duration of response was six months for CMF and nine months for VAC. Hematologic toxicity was minimal for both groups but three patients receiving VAC developed cardiac toxicity. Overall survival projections at this time indicate no differences between the VAC or CMF treated patients.