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).
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).
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.
François-Clément Bidard, MD, PhD, of the Institut Curie and the University of Versailles, discusses phase III study findings on the clinical utility of circulating tumor cell count as a tool to choose between first-line hormone therapy and chemotherapy for estrogen receptor–positive, HER2-negative metastatic breast cancer (Abstract GS3-07).
Zaida Morante, MD, of the Instituto Nacional de Enfermedades Neoplasicas, discusses retrospective study findings showing the importance of starting adjuvant chemotherapy for people with triple-negative breast cancer within 30 days of surgery (Abstract GS2-05).
Shoichiro Ohtani, MD, PhD, of Hiroshima City Hiroshima Citizens Hospital, discusses study findings on extending anastrozole to 10 years, which led to higher rates of disease-free survival and distant disease–free survival (Abstract GS3-04).
