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Signs of hyperestrogenism may include heightened levels of one or more of the estrogen sex hormones (usually estradiol and/or estrone), lowered levels of follicle-stimulating hormone and/or luteinizing hormone (due to suppression of the hypothalamic–pituitary–gonadal axis by estrogen), and lowered levels of androgens such as testosterone (generally only relevant to males). [1]
When used in high doses, estrogens are powerful antigonadotropins, strongly inhibiting secretion of the gonadotropins luteinizing hormone and follicle-stimulating hormone from the pituitary gland, and in men are able to completely suppress gonadal androgen production and reduce testosterone levels into the castrate range. [32]
Aromatase excess syndrome (AES or AEXS) is a rarely diagnosed genetic and endocrine syndrome which is characterized by an overexpression of aromatase, the enzyme responsible for the biosynthesis of the estrogen sex hormones from the androgens, in turn resulting in excessive levels of circulating estrogens and, accordingly, symptoms of hyperestrogenism.
Estradiol undecylate has been used as a form of high-dose estrogen therapy to treat prostate cancer, but has since largely been superseded for this indication by newer agents with fewer adverse effects (e.g., gynecomastia and cardiovascular complications) like GnRH analogues and nonsteroidal antiandrogens.
Estrogen is the predominant sex hormone that slows bone loss (even in men). Both estrogen and testosterone help stimulate bone formation (T, especially at puberty). Testosterone may cause an increase in cortical bone thickness in transgender men (however this does not necessarily translate to a greater mechanical stability).
These treatments can include selective estrogen receptor modulators like clomiphene , a derivative of clomiphene called enclomiphene, or aromatase inhibitors like anastrozole (Arimidex®). These ...
The use of high-dose estrogen therapy in breast cancer has mostly been superseded by antiestrogen therapy due to the improved safety profile of the latter. [17] High-dose estrogen therapy was the standard of care for the palliative treatment of breast cancer in women up to the late 1970s or early 1980s. [18
“Before menopause, the main hormone is estrogen, and after menopause, androgens like testosterone become more prevalent,” Stanhiser says. In that case, can testosterone treat menopause symptoms?