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Opinion|Videos|January 16, 2026

Persisting Questions in ER+ Breast Cancer in the Second Line and Beyond

Experts discuss the future of breast cancer treatment, emphasizing personalized approaches and the potential of new oral therapies to improve outcomes.

Hope S. Rugo, MD, and Seth Wander, MD, PhD, address key unanswered questions in the management of estrogen receptor–positive breast cancer beyond the first line of therapy. They discuss optimal sequencing, biomarker integration, and how to individualize treatment as new options emerge. Rugo and Wander conclude by emphasizing areas where additional research is needed to further improve patient outcomes.

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