Phase III Study of Cyclophosphamide, Doxorubicin, and Fluorouracil (CAF) Plus Leucovorin Versus CAF for Metastatic Breast Cancer: Cancer and Leukemia Group B 9140

Abstract
Purpose: To determine whether biochemical modulation with LV (leucovorin) enhances the efficacy of CAF (cyclophosphamide, doxorubicin, and fluorouracil) against metastatic breast cancer.