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).
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 Eric P. Winer, MD, of the Dana-Farber Cancer Institute, discuss the results of this study that showed pathologic complete response to presurgery chemotherapy improved survival (Abstract S2-05).
Jame Abraham, MD, of the Cleveland Clinic, discusses findings on the use of avelumab, an anti–PD-L1 antibody, in patients with locally advanced or metastatic breast cancer, as well as the preliminary efficacy and safety findings of pembrolizumab in patients with PD-L1–positive, estrogen receptor–positive/HER2-negative disease (Abstracts S1-04, S5-07).
