Elizabeth McDonald, MD, PhD, on GLP-1 Agonists and Breast Cancer Incidence
ASCO 2026
Elizabeth McDonald, MD, PhD, of the University of Pennsylvania, discusses results from a retrospective cohort study that showed that the use of GLP-1 treatment was associated with a significantly lower incidence of breast cancer, after accounting for age, race, ethnicity, BMI, breast density, and type 2 diabetes status (Abstract 10506).
Gopa Iyer, MD, of Memorial Sloan Kettering Cancer Center, presents initial results from the phase I NEXUS-01 study, which evaluated LY4052031, an antibody-drug conjugate targeting Nectin-4, in patients with advanced or metastatic urothelial carcinoma (Abstract 4508).
The ASCO Post Staff
Robert C. Stein, PhD, MBBChir, FRCP, of the National Institute for Health Research University College London Hospitals Biomedical Research Centre, discusses the first results from the phase III randomized OPTIMA trial, which is comparing chemotherapy decisions made with the Prosigna (PAM50) gene expression test with standard treatment with estrogen receptor (ER)-positive, HER2-negative early breast cancer (Abstract 500).
The ASCO Post Staff
Mali Barbi, MD, MS, of Northwell Health Cancer Institute Center for Women's Cancer, discusses durable survival benefits shown in the NRG-GY018 trial with pembrolizumab and the RUBY trial with dostarlimab for patients with mismatch repair–deficient (dMMR) endometrial cancer. In addition, B7-H4 antibody-drug conjugates such as puxitatug samrotecan are emerging as options for relapsed/metastatic disease.
The ASCO Post Staff
Brian M. Wolpin, MD, MPH, of Dana-Farber Cancer Institute, and Eileen M. O’Reilly, MD, of Memorial Sloan Kettering Cancer Center, describe results from the phase III RASolute 302 trial, which evaluated the RAS(ON) muliselective inhibitor daraxonrasib in previously treated patients with metastatic pancreatic adenocarcinoma (Abstract LBA5).
The ASCO Post Staff
Jame Abraham, MD, FACP, of Cleveland Clinic, provides an update on the DESTINY-Breast05 trial, which is an ongoing phase III trial investigating postneoadjuvant trastuzumab deruxtecan (T-DXd) as compared with trastuzumab emtansine (T-DM1) in patients with HER2-positive breast cancer with residual invasive disease and node-positive disease at surgery or inoperable disease at diagnosis. Dr. Abraham makes special note of rates of interstitial lung disease seen in the trial and methods of management.