
NEW YORK-Letrozole (Femara) was found to be superior to tamoxifen (Nolvadex) in the largest study ever conducted of endocrine therapy in advanced breast cancer, Matthew J. Ellis, MD, PhD, clinical director of the Duke University Breast Cancer Program, said at the XVIII Chemotherapy Foundation Symposium. Median time to progression was 41 weeks for letrozole vs 26 weeks for tamoxifen (P = .0001), he said.































