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N-Desmethyltamoxifen (developmental code name ICI-55,548) is a major metabolite of tamoxifen, a selective estrogen receptor modulator (SERM). [1] [2] N-Desmethyltamoxifen is further metabolized into endoxifen (4-hydroxy-N-desmethyltamoxifen), which is thought to be the major active form of tamoxifen in the body.
Tamoxifen, sold under the brand name Nolvadex among others, is a selective estrogen receptor modulator used to prevent breast cancer in women and men. [13] It is also being studied for other types of cancer. [13] It has been used for Albright syndrome. [14] Tamoxifen is typically taken daily by mouth for five years for breast cancer. [14]
Tamoxifen may be used to treat gynecomastia in adults and of the medical treatments used, tamoxifen is the most effective. [61] [62] Recent studies have shown that treatment with tamoxifen may represent a safe and effective mode of treatment in cases of cosmetically disturbing or painful gynecomastia.
“Most of the time, belly fat gain is a reflection of a combination of factors, and less commonly due to one specific hormone,” Dr. Cohn says. But if you notice sudden, excess belly fat that ...
Research suggests that losing three to five percent of your body weight can improve fat build-up, while losing 10 percent can reduce liver inflammation. If you lose weight, you might find your ...
Menopause belly is weight gain in the midsection due to hormonal changes. But MDs have advice for treating and preventing it in perimenopause and menopause.
Tamoxifen is also thought to lower the risk of breast cancer in those who have a predisposition or at risk. [9] Tamoxifen may be used in pre and postmenopausal women. [10] Toremifene is a similar SERM drug to tamoxifen, but is less common and only approved for treatment of metastatic cancer. Toremifene is generally prescribed once tamoxifen is ...
Endoxifen is an active metabolite of tamoxifen and has been found to be effective in patients that have failed previous hormonal therapies (tamoxifen, aromatase inhibitors, and fulvestrant). [3] [4] [5] The prodrug tamoxifen is metabolized by the CYP2D6 enzyme to produce endoxifen and afimoxifene (4-hydroxytamoxifen). [6]