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).
Judy E. Garber, MD, of the Dana-Farber Cancer Institute, summarizes a special session she moderated, which included discussion of polygenic risk scores, genetic testing in diverse populations, and what to do when presented with moderate-penetrance mutations.
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).
Eva M. Ciruelos, MD, PhD, of the University Hospital 12 de Octubre and the SOLTI Group, discusses study findings on palbociclib and trastuzumab in postmenopausal patients with HER2-positive metastatic breast cancer (Abstract PD3-03).
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).
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.
