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The side effects of cyproterone acetate (CPA), a steroidal antiandrogen and progestin, including its frequent and rare side effects, have been studied and characterized.It is generally well-tolerated and has a mild side-effect profile, regardless of dosage, when it used as a progestin or antiandrogen in combination with an estrogen such as ethinylestradiol or estradiol valerate in women.
Cyproterone acetate (CPA), sold alone under the brand name Androcur or with ethinylestradiol under the brand names Diane or Diane-35 among others, is an antiandrogen and progestin medication used in the treatment of androgen-dependent conditions such as acne, excessive body hair growth, early puberty, and prostate cancer, as a component of feminizing hormone therapy for transgender individuals ...
Also has weak androgenic and glucocorticoid activity and acts as a steroidogenesis inhibitor at very high dosages. Injected intramuscularly. Used as a means of chemical castration for sexual deviation in men, particularly in the United States where cyproterone acetate is unavailable. Studied in the treatment of prostate cancer but never widely ...
1967: Cyproterone acetate was first studied clinically, to treat sexual deviance in men [225] 1969: Cyproterone acetate was first studied in the treatment of acne, hirsutism, seborrhea, and scalp hair loss in women [226] 1969: The antiandrogenic activity of spironolactone is discovered [227]
[1] [7] Cyproterone acetate acts both directly as an antiandrogen in prostate cancer cells and also functions to indirectly decrease serum testosterone levels. The latter causes the limitations of cyproterone acetate, which are central effects on androgen secretion, with subsequent loss of libido and sexual potency.
The pharmacology of cyproterone acetate (CPA) concerns the pharmacology (pharmacodynamics, pharmacokinetics, and routes of administration) of the steroidal antiandrogen and progestin medication cyproterone acetate. CPA blocks the effects of androgens like testosterone in the body, which it does by preventing them from interacting with their ...
But some research has noted rare but serious side effects of once-weekly, 2.4-milligram (mg) semaglutide injections, such as pancreatitis, acute kidney injury, gallbladder issues, and thyroid cancer.
Cyproterone was studied as a treatment for precocious puberty by Bierich (1970, 1971), but no significant improvement was observed. [22] In men, 100 mg/day cyproterone proved to be rather ineffective in treating acne, which was hypothesized to be related to its progonadotropic effects in males and counteraction of its antiandrogen activity.