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Chlormadinone acetate (CMA), sold under the brand names Belara, Gynorelle, Lutéran, and Prostal among others, is a progestin and antiandrogen medication which is used in birth control pills to prevent pregnancy, as a component of menopausal hormone therapy, in the treatment of gynecological disorders, and in the treatment of androgen-dependent conditions like enlarged prostate and prostate ...
Bicalutamide also shows a better safety profile than cyproterone acetate. When used as a high-dosage monotherapy, bicalutamide shows slightly inferior effectiveness in the treatment of prostate cancer compared to castration and GnRH analogues but a different and potentially superior tolerability and safety profile.
Certain progestogens, including megestrol acetate, medroxyprogesterone acetate, cyproterone acetate, and chlormadinone acetate, have been used at high doses to reduce hot flashes in men undergoing androgen deprivation therapy, for instance to treat prostate cancer. [24] [25] [26]
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 ...
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.
[84] [85] [7] [8] Aside from cyproterone acetate and chlormadinone acetate, a few other progestins used in oral contraceptives and/or in menopausal HRT including dienogest, drospirenone, medrogestone, nomegestrol acetate, promegestone, and trimegestone also have varying degrees of AR antagonistic activity. [86] [87] [88]
Cyproterone acetate has a dual mode of action as it competes directly with DHT for binding to AR, but also inhibits gonadotropin secretion. It thereby reduces androgen, estrogen and LH levels. [1] [7] Cyproterone acetate acts both directly as an antiandrogen in prostate cancer cells and also functions to indirectly decrease serum testosterone ...
[1] [2] An acylated derivative, chlormadinone acetate, is used clinically as a pharmaceutical drug. [1] [2] It was patented in 1958 and approved for medical use in 1963. [3] While chlormadinone is sometimes used as a synonym for chlormadinone acetate, what is almost always being referred to is chlormadinone acetate and not chlormadinone.