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10% 12 months: 99%: 95%: 84%: 56%: 38%: 19% Notes: Prevention of breast symptoms—specifically gynecomastia and breast pain—induced by 150 mg/day bicalutamide monotherapy with tamoxifen in 282 men with prostate cancer. Bicalutamide and tamoxifen were initiated at the same time (0 months).
In a double-blind crossover study, patients were given either a placebo or tamoxifen (10 mg orally twice daily) for one month, in random order. Seven out of ten patients saw a reduction in gynecomastia size with tamoxifen (P < 0.005), and the overall reduction for the group was statistically significant (P < 0.01). [ 39 ]
A study of 45 FtM individuals randomly assigned to receive testoviron depot (intramuscular, 100 mg/10 days), testosterone gel (50 mg/day), or testosterone undecanoate (intramuscular, 1000 mg) found increased lean body mass, decreased fat mass, decreased high-density plasma lipoprotein levels, increased low-density lipoprotein levels, and ...
Tamoxifen is a pure antiestrogenic trans-isomer and has differential actions at estrogen target tissues throughout the body. Tamoxifen is selectively antiestrogenic in the breast but estrogen-like in bones and endometrial cancer. [24] Tamoxifen undergo phase I metabolism in the liver by microsomal cytochrome P450 (CYP) enzymes.
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 ...
Oral exemestane 25 mg/day for 2–3 years of adjuvant therapy was generally more effective than 5 years of continuous adjuvant tamoxifen in the treatment of postmenopausal women with early-stage estrogen receptor-positive/unknown receptor status breast in a large well-designed [citation needed] trial. Preliminary data from the open-label TEAM ...
Similarly, in the trials of 150 mg/day bicalutamide monotherapy for advanced prostate cancer, fewer than 10% of men reported decreased sex drive or reduced erectile function as a side effect. [9] About two-thirds of men in these trials, who had advanced prostate cancer and were of almost invariably advanced age, [ 10 ] maintained sexual ...
Antiestrogens include selective estrogen receptor modulators (SERMs) like tamoxifen, clomifene, and raloxifene, the ER silent antagonist and selective estrogen receptor degrader (SERD) fulvestrant, [6] [7] aromatase inhibitors (AIs) like anastrozole, and antigonadotropins including androgens/anabolic steroids, progestogens, and GnRH analogues.