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Opinion|Videos|January 16, 2026

Treatment Selection Post–CDK4/6 Inhibition in Advanced ER+ Breast Cancer

Hope S. Rugo, MD, and Seth Wander, MD, PhD, discuss treatment selection after CDK4/6 inhibitor progression in advanced ER-positive breast cancer.

Hope S. Rugo, MD, and Seth Wander, MD, PhD, discuss treatment selection strategies for patients with advanced estrogen receptor–positive breast cancer following progression on CDK4/6 inhibitors. They review how endocrine sensitivity, prior therapies, and molecular features influence next-line decision-making. Rugo and Wander also highlight the growing role of oral SERDs in combination with targeted agents.

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