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[29] [31] Treatment of men with medical castration and add-back of multiple dosages of testosterone to restore testosterone levels (to a range of about 200 to 900 ng/dL) showed that testosterone dose-dependently restored sexual desire and erectile function in men. [32] High-dosage monotherapy with an androgen receptor antagonist such as ...
Administration of high-dose testosterone in men over a course of weeks can cause an increase in aggression and hypomanic symptoms, though these were seen in only a minority of subjects. [15] Acute high-dose anabolic-androgenic steroid administration in males attenuates endogenous sex hormone production and affects the thyroid hormone axis.
[52] [49] [53] [54] Nonetheless, it is useful as an antiandrogen in women, who have low androgen levels compared to men. [55] [56] In addition, instances of gynecomastia, decreased libido, and erectile dysfunction have been reported in men taking very high doses of spironolactone (200 to 400 mg/day). [55]
A dosage of two to six 100 μg/day transdermal estradiol patches can achieve mean levels of estradiol in the area of 200 to 400 pg/mL and can be used as a form of high-dose estrogen therapy, for instance to suppress testosterone levels in the treatment of prostate cancer in men and in feminizing hormone therapy for transgender women. [14] [214 ...
Likewise, other studies found that levels of estradiol and estrone are very similar after oral administration of roughly equimolar doses of estradiol (1.5 mg) and estradiol valerate (2 mg). [110] [111] [112] A study of high-dose oral estradiol valerate found levels of estradiol of about 250 pg/mL after a single 10-mg dose in three women. [107]
Drostanolone propionate produces considerably less virilization in women compared to equal doses of testosterone propionate. [1] However, since the given dosage for breast cancer was relatively high (200 mg/twice a week), [ 8 ] mild virilization including oily skin , acne , voice deepening , hirsutism , and clitoral enlargement could still ...
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]
In another, higher-dose study, SHBG levels were lower by 59% in a group of women treated with 50 mg/day oral MPA alone relative to an untreated control group of women. [180] In massive-dose studies of oral or injectable MPA (e.g., 500–1,000 mg/day), the medication decreased SHBG levels by about 80%.