Abstract
Cyproterone acetate (CPA) is a very potent synthetic analog of progesterone, classified as a progestin. It was discovered in 1962 by the German company Schering. CPA was developed from 17α-hydroxyprogesterone, and it is estimated to be approximately 1200 times more potent as an antiandrogen than 17α-acetoxyprogesterone [1]. CPA is marketed under the brand name Androcur® since 1964. It is currently used widely in most countries, representing the first specific antiandrogen of clinical interest, with the notable major exceptions of the USA and Japan. In the USA, CPA is available only as an orphan drug for the treatment of hirsutism since the FDA has not approved it yet.
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Anastassakis, K. (2022). Cyproterone Acetate (CPA). In: Androgenetic Alopecia From A to Z . Springer, Cham. https://doi.org/10.1007/978-3-031-08057-9_7
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