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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.
Tamoxifen has become the treatment of choice for women diagnosed with all stages of hormone-responsive breast cancer, that is, breast cancer that is both ER and/or progesterone positive. In the US, it is also administered for prophylactic chemoprevention in women identified as high risk for breast cancer. [ 27 ]
Aromatase inhibitors (AIs) are a class of drugs used in the treatment of breast cancer in postmenopausal women and in men, [1] [2] and gynecomastia in men. They may also be used off-label to reduce estrogen conversion when supplementing testosterone exogenously. They may also be used for chemoprevention in women at high risk for breast cancer.
Staging breast cancer is the initial step to help physicians determine the most appropriate course of treatment. As of 2016, guidelines incorporated biologic factors, such as tumor grade, cellular proliferation rate, estrogen and progesterone receptor expression, human epidermal growth factor 2 (HER2) expression, and gene expression profiling into the staging system.
With cancer rising in women under 40, there's concern about the causes — and the effects. ... “Breast cancer incidence among women under 40 is rising significantly in some regions— by more ...
Endocrine treatment may be beneficial for patients with hormone receptor positive breast tumors. [5] There are two ways for treating these kind of tumors: Lowering systemic levels of estrogen, achieved by the use of drugs from the aromatase inhibitor category. [6] [7] These drugs target one of the enzymes that takes part in the biosynthesis of ...
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