With Kevin Kalinsky, MD, the Oncology Brothers discuss hormone receptor–positive (HR+) breast cancer treatment, which targets HR+ tumors using hormone therapy (eg, tamoxifen, aromatase inhibitors), chemotherapy, targeted therapy (eg, CDK4/6 inhibitors), or sometimes surgery or radiation, depending on cancer stage and risk factors.
Giredestrant Combo Yields Positive PFS in Subgroups After CDK4/6i in ER+/HER2– Breast Cancer
December 13th 2025“The magnitude of clinical benefit was clinically meaningful and consistent, and was regardless of PIK3CA mutations or alterations in the PIK3CA pathway, duration of prior CDK4/6 inhibitors, including patients who progress within 6 to 12 months, and the choice of prior CDK4/6 inhibitors,” said Hope S. Rugo, MD.