Patricia A. Ganz, MD, of the University of California at Los Angeles, discusses this clinical trial of anastrozole vs tamoxifen in postmenopausal women with ductal carcinoma in situ undergoing lumpectomy plus radiotherapy (Abstract S6-04).
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).
Andrew Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Ruth M. O’Regan, MD, of the University of Wisconsin, review practice-changing research in 2015 that was focused on early-stage breast cancer.
Hans Wildiers, MD, PhD, of the University Hospitals, Leuven, discusses this phase III study on the use of ado-trastuzumab emtansine vs treatment of physician’s choice in previously treated HER2-positive metastatic breast cancer (Abstract S5-05).
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).
