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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 ...
All contain an estrogen, ethinylestradiol or mestranol, [1] [2] in varying amounts, and one of a number of different progestogens. (Regarding the estrogen, the inactive 3-methyl ether of ethinylestradiol, which must be metabolized by the liver into the active ethinylestradiol; 50 μg of mestranol is equivalent to only 35 μg of ethinylestradiol and should not be used when high-dose [50 μg ...
[253] [254] [255] Progestogens with the potential for clinically relevant glucocorticoid effects include the 17α-hydroxyprogesterone derivatives chlormadinone acetate, cyproterone acetate, medroxyprogesterone acetate, megestrol acetate, promegestone, and segesterone acetate and the testosterone derivatives desogestrel, etonogestrel, and gestodene.
Estradiol valerate and cyproterone acetate (brand name Femilar) – introduced in Finland (only) in 1993 [3] Estradiol valerate and dienogest (brand names Qlaira, Natazia) – introduced in Europe in 2009 and the U.S. Tooltip United States in 2010 [4] Estradiol and nomegestrol acetate (brand name Zoely) – introduced in Europe in 2011 [5]
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 ...
[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.
Cyproterone is a potent antiandrogen, similarly to CPA. [5] [6] However, it has approximately three-fold lower potency as an antagonist of the androgen receptor (AR) relative to CPA. [6] Like CPA, cyproterone is actually a weak partial agonist of the AR, and hence has the potential for both antiandrogenic and androgenic activity in some ...
At a dosage of 200 mg/day, CPA has been found to produce azoospermia (sperm count of less than 1 million/mL) in men within 8 to 10 weeks of treatment. [75] However, fertility is generally lost even at a lower dosage of CPA of 100 mg/day because there is complete inhibition of the accessory sex glands and hence an absence of semen production and ...