New Oral Selective Estrogen Receptor Degraders Redefine Management of Estrogen Receptor-Positive Breast Cancer.

Pathak, Neha; Oliveira, Mafalda · Annu Rev Med · 2025

review · Level V

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Abstract

Oral selective estrogen receptor degraders (SERDs) are pure estrogen receptor antagonists that have the potential to overcome common resistance mechanisms to endocrine therapy in estrogen receptor-positive breast cancer. There are currently five oral SERDs in published and ongoing clinical trials-elacestrant, camizestrant, giredestrant, imlunestrant, and amcenestrant-with more in development. They offer a reasonably well-tolerated oral therapy option with low discontinuation rates in studies. This review summarizes the currently available literature on this new class of drugs.

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