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Selective estrogen receptor modulators (SERMs), also known as estrogen receptor agonists/antagonists (ERAAs), [1] [2] are a class of drugs that act on estrogen receptors (ERs). [3] Compared to pure ER agonists – antagonists (e.g., full agonists and silent antagonists ), SERMs are more tissue-specific, allowing them to selectively inhibit or ...
Afimoxifene, also known as 4-hydroxytamoxifen (4-OHT) and by its tentative brand name TamoGel, is a selective estrogen receptor modulator (SERM) of the triphenylethylene group and an active metabolite of tamoxifen. [1] [2] [3] The drug is under development under the tentative brand name TamoGel as a topical gel for the treatment of hyperplasia ...
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, sold under the brand name Nolvadex among others, is a selective estrogen receptor modulator used to prevent breast cancer in women and men. [15] It is also being studied for other types of cancer. [15] It has been used for Albright syndrome. [16] Tamoxifen is typically taken daily by mouth for five years for breast cancer. [16]
Sivifene (A-007) was initially thought to be a SERM due to its structural similarity to tamoxifen but it was subsequently found not to bind to the estrogen receptor (ER). [8] Tesmilifene (DPPE; YMB-1002, BMS-217380-01) is also structurally related to tamoxifen but similarly does not bind to the ER and is not a SERM. [9] [10]
Tamoxifen is currently first-line treatment for nearly all pre-menopausal women with hormone receptor-positive breast cancer. [1] Raloxifene is another partial agonist SERM which does not seem to promote endometrial cancer , and is used primarily for chemoprevention of breast cancer in high-risk individuals, as well as to prevent osteoporosis ...
Ospemifene is a selective estrogen receptor modulator (SERM) [4] acting similarly to an estrogen on the vaginal epithelium, building vaginal wall thickness which in turn reduces the pain associated with dyspareunia. Dyspareunia is most commonly caused by "vulvar and vaginal atrophy."
In the field of pharmacology, a selective receptor modulator or SRM is a type of drug that has different effects in different tissues. [1] A SRM may behave as an agonist in some tissues while as an antagonist in others. Hence selective receptor modulators are sometimes referred to as tissue selective drugs or mixed agonists / antagonists. This ...