Sara A. Hurvitz, MD, of the University of California, Los Angeles, discusses the natural history and novel combinations for HER2-positive disease as well as predictive and prognostic markers for this type of breast cancer.
Roisin M. Connolly, MD, of the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, discusses clinical trials during the past year on studies on CDK and PI3K inhibitors in estrogen receptor–positive breast cancer and immune checkpoint agents in triple-negative breast cancer.
Monica Morrow, MD, of Memorial Sloan Kettering Cancer Center reviews lessons learned from top abstracts, including how to tailor the extent of local therapy to minimize morbidity, the diminishing role of axillary lymph node dissection, long-term sequelae of breast surgical procedures, and the need to discuss outcomes with patients.
Andrew D. Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Charles E. Geyer, MD, of Virginia Commonwealth University, discuss phase III study findings on ado-trastuzumab emtansine vs trastuzumab as adjuvant therapy in patients with early HER2-positive breast cancer with residual invasive disease after neoadjuvant chemotherapy and HER2-targeted treatment (Abstract GS1-10).
Dejan Juric, MD, of Massachusetts General Hospital, discusses phase III study findings on liquid biopsy–based assessment of PIK3CA mutational status and the combination of the selective PI3K-alpha inhibitor alpelisib plus fulvestrant in the treatment of advanced breast cancer (Abstract GS3-08).
Kathy S. Albain, MD, of Loyola University Stritch School of Medicine, discusses study findings on race, ethnicity, and patient outcomes in hormone receptor–positive, HER2-negative, node-negative breast cancer (Abstract GS4-07).
