Top Stories: Sunday, May. 31

In Detail As of Sun, May 31, 2026, 22:40 pm, America/Chicago

RASolute 302 Trial at ASCO 2026 Plennary Session: Daraxonrasib Improves Survival Versus Chemotherapy in Previously Treated Metastatic PDAC

oncodaily - RASolute 302 Trial was presented by Brian M. Wolpin, MD, MPH, during the 2026 ASCO Annual Meeting.The Trial evaluated daraxonrasib, an oral RAS(ON) multi-selective inhibitor, against investigator’s choice chemotherapy in […]

AI Summary: A plenary ASCO presentation reports daraxonrasib, an oral KRAS G12C inhibitor, significantly improved overall survival compared with chemotherapy in previously treated metastatic pancreatic ductal adenocarcinoma. The data prompted immediate planning across cancer centers for anticipated demand and access changes — a rare dose of good news for a disease that usually gets none.

OPTIMA: Prosigna-Guided Chemotherapy Avoidance Shows Non-Inferior Outcomes in ER+/HER2− Early Breast Cancer

oncodaily - OPTIMA is one of the most important de-escalation studies presented at the 2026 ASCO Annual Meeting, because it addresses a daily clinical dilemma in early breast cancer: which patients truly […]

AI Summary: The OPTIMA trial demonstrated that using the Prosigna genomic test to select low‑risk ER+/HER2− early breast cancer patients allows omission of adjuvant chemotherapy without compromising disease control. The de‑escalation approach reduced exposure to chemo toxicity and supports molecular risk stratification to spare large numbers of patients unnecessary treatment — elegant, evidence‑based thrift.

American Cancer Society Updates Colorectal Cancer Screening Guideline: Major Changes Emphasize Blood-Based and At-Home Stool Testing

cancer - ACS researchers aim to reduce colorectal cancer deaths by offering options to improve screening participation

AI Summary: American Cancer Society revised colorectal screening guidelines, elevating at‑home stool testing and clarifying the role of blood‑based assays. Recommendations stress broader access to noninvasive stool tests while urging cautious, limited use of blood tests where appropriate, aiming to expand screening uptake without sacrificing diagnostic accuracy or overwhelming follow‑up resources.

Listen to the Latest ‘KFF Health News Minute’

kffhealthnews - The "KFF Health News Minute" brings original health care and health policy reporting from our newsroom to the airwaves each week.

AI Summary: A phase 2 study investigated FGFR inhibition with rogaratinib in succinate dehydrogenase–deficient gastrointestinal stromal tumors. Results reported tumor control in this rare molecular subset, offering a targeted therapeutic approach where options are sparse and validating FGFR as a biologic vulnerability in SDH‑deficient GIST.