Shanu Modi, MD, of Memorial Sloan Kettering Cancer Center, discusses study findings from a large phase I study on trastuzumab deruxtecan in patients with low HER2-expressing breast cancer (Abstract P6-17-02).
Harold J. Burstein, MD, PhD, of the Dana-Farber Cancer Institute, and Daniel F. Hayes, MD, of the University of Michigan Rogel Cancer Center debate whether all women with breast cancer and positive lymph nodes should receive chemotherapy.
Andrew D. Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Richard G. Gray, MA, MSc, of the University of Oxford, discuss a meta-analysis of individual patient data from 12 randomized trials including 24,912 women on the effects—in terms of recurrence and cause-specific mortality—of prolonging adjuvant aromatase inhibitor therapy beyond 5 years (Abstract GS3-03).
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).
Andrew D. Seidman, MD, of Memorial Sloan Kettering Cancer Center, and Miguel Martín, MD, PhD, of the Instituto de Investigacion Sanitaria Gregorio Marañón, discuss phase III study findings on adjuvant capecitabine after standard chemotherapy for people with early triple-negative breast cancer (Abstract GS2-04).
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.
