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).
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).
Lori J. Pierce, MD, of the University of Michigan Health System, discusses findings on second cancer incidence and non-breast cancer mortality among 40,000 women in 75 clinical trials. (Abstract S5-08)
Andrew Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Hope S. Rugo, MD, of the University of California, San Francisco, discuss preliminary efficacy and safety findings of pembrolizumab in patients with PD-L1–positive, estrogen receptor-positive/HER2-negative disease. (Abstract S5-07)
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).
