Wednesday 23 January 2019

Use of letrozole after aromatase inhibitor-based therapy in postmenopausal breast cancer (NRG Oncology/NSABP B-42): a randomised, double-blind, placebo-controlled, phase 3 trial



by Eleftherios P Mamounas, Hanna Bandos, Barry C Lembersky, Jong-Hyeon Jeong, Charles E Geyer, Priya Rastogi, Louis Fehrenbacher, Mark L Graham, Stephen K Chia, Adam M Brufsky, Janice M Walshe, Gamini S Soori, Shaker R Dakhil, Thomas E Seay, James L Wade, Edward C McCarron, Soonmyung Paik, Sandra M Swain, D Lawrence Wickerham, Norman Wolmark

The Lancet Oncology: Volume 20, issue 1, P88-99, January 01, 2019

After 5 years of aromatase inhibitor-based therapy, 5 years of letrozole therapy did not significantly prolong disease-free survival compared with placebo. Careful assessment of potential risks and benefits is required before recommending extended letrozole therapy to patients with early-stage breast cancer.