SABCS Expert Commentary | Professor Mao Xiaoyun: The ALTTO Study Confirms Superior DFS With Aromatase Inhibitors Over SERMs, Providing New Evidence for Endocrine Therapy in HR+/HER2+ Breast Cancer
In patients with HR-positive/HER2-positive early breast cancer, adjuvant anti-HER2 therapy constitutes the cornerstone of systemic treatment. However, robust high-level evidence has long been lacking to guide the choice between aromatase inhibitors (AIs) and tamoxifen (SERMs) for adjuvant endocrine therapy in this population.









