Mitchell Dowsett, PhD, of the Royal Marsden Hospital discusses the EndoPredict test, which has improved performance compared with the widely used Oncotype Dx test (Abstract S3-01).
Jame Abraham, MD, of the Cleveland Clinic, discusses the 10-year follow-up of this trial, and the long-term benefit and safety of adding trastuzumab to the adjuvant treatment of HER2-positive early breast cancer (Abstract S5-04).
Andrew Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Hope S. Rugo, MD, of the University of California, San Francisco, discuss findings on de-escalating systemic therapy for breast cancer (Abstract ES6-3).
Michael Gnant, MD, of the Medical University of Vienna, discusses a study in which denosumab was added to adjuvant aromatase inhibitor therapy to improve disease-free survival in postmenopausal patients with early-stage, hormone receptor–positive breast cancer (Abstract S2-02).
Sarat Chandarlapaty, MD, PhD, of the Memorial Sloan Kettering Cancer Center, discusses results from this study that showed patients with ER-positive metastatic breast cancer who had a D538G and/or a Y537S mutation in the ESR1 gene had significantly worse median overall survival (Abstract S2-07).
William M. Sikov, MD, of Women and Infants Hospital of Rhode Island, discusses the results of this study that showed pathologic complete response to presurgery chemotherapy improved survival (Abstract S2-05).
