Estrogen deprivation therapy

Estrogen deprivation therapy, also known as endocrine therapy, is a form of hormone therapy that is used in the treatment of breast cancer. Modalities include antiestrogens or estrogen blockers such as selective estrogen receptor modulators (SERMs) such as tamoxifen, selective estrogen receptor degraders such as fulvestrant, and aromatase inhibitors such as anastrozole and ovariectomy.