Robert C. Stein, PhD, MBBChir, FRCP, on ER-Positive HER2-Negative Early Breast Cancer: Test-Directed Chemotherapy
ASCO 2026
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
Krishnan R. Patel, MD, of the National Cancer Institute, discusses a combined analysis of the NRG/RTOG 9202, 9413, 9902, and 0521 trials that looked at using clinico-transcriptomic risk stratification to guide abiraterone treatment intensification among patients with high-risk prostate cancer (Abstract 5000).
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
Linda R. Mileshkin, MD, MBBS, FRACP, of Peter MacCallum Cancer Centre, shares results from the phase I/IIA BLUESTAR study on the safety and efficacy of puxitatug samrotecan, a B7-H4–directed topoisomerase I inhibitor antibody-drug conjugate, in patients with endometrial cancer or ovarian cancer (Abstract 5515).
The ASCO Post Staff
Danny Rischin, MD, of Peter MacCallum Cancer Centre, talks about data from the disease-free survival analyses of the C-POST study, which were conducted per high-risk criteria and start time after radiotherapy. C-POST evaluated adjuvant cemiplimab-rwlc for patients with high-risk cutaneous squamous cell carcinoma (CSCC) (Abstract 6083).
The ASCO Post Staff
Jennifer J. Knox, MD, FRCPC, of Princess Margaret Cancer Centre, provides expert commentary on a phase III study of daraxonrasib vs chemotherapy in previously treated metastatic pancreatic cancer (Abstract LBA5).
