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Estradiol levels with 50 to 100 μg/day transdermal estradiol patches applied to the forearm and to the scrotum in a crossover study in 2 men with prostate cancer. [204] In 35 men treated continuously with one 100 μg/day estradiol patch scrotally, the mean estradiol level was ~500 pg/mL (range ~125–1,200 pg/mL). [204]
Estrone is an estrogen, specifically an agonist of the estrogen receptors (ERs) ERα and ERβ. [5] [44] It is a far less potent estrogen than is estradiol, and as such is a relatively weak estrogen. [5] [44] Given by subcutaneous injection in mice, estradiol is about 10-fold more potent than estrone and about 100-fold more potent than estriol. [45]
Average number of moderate-to-severe hot flashes per week with placebo and different doses of oral estradiol in menopausal women [40] [41]. Estradiol is used in menopausal hormone therapy to prevent and treat moderate to severe menopausal symptoms such as hot flashes, vaginal dryness and atrophy, and osteoporosis (bone loss). [11]
The symptoms can be subtle — lumps, nipple discharge, changes in the skin or swelling around the breast area. ... There’s an unfortunate stigma attached to men having breast cancer. Many men ...
Observational studies of systemic HRT after breast cancer are generally reassuring. If HRT is necessary after breast cancer, estrogen-only therapy or estrogen therapy with a progestogen may be safer options than combined systemic therapy. [71] In women who are BRCA1 or BRCA2 mutation carriers, HRT does not appear to impact breast cancer risk. [72]
Some women with a high risk of breast cancer can be prescribed tamoxifen; the estrogen-blocking drug is used to treat breast cancer at high doses, but it can also be used at lower doses to reduce ...
Some lesser known uses are as a means of high-dose estrogen therapy in the treatment of breast cancer in both women and men and in the treatment of prostate cancer in men. [22] [23] It has been used at a dosage of 2.5 mg three times per day (7.5 mg/day total) for prostate cancer. [24] [25]
Ethinylestradiol (EE) is an estrogen medication which is used widely in birth control pills in combination with progestins. [7] [8] In the past, EE was widely used for various indications such as the treatment of menopausal symptoms, gynecological disorders, and certain hormone-sensitive cancers.