Haloprogesterone, sold under the brand name Prohalone, is a progestin medication which was previously marketed by Ayerst but is now no longer available.[1] [2] [3]
See also: List of progestogens.
Haloprogesterone, also known as 6α-fluoro-17α-bromoprogesterone or as 6α-fluoro-17α-bromopregn-4-ene-3,20-dione, is a synthetic pregnane steroid and a halogenated derivative of progesterone. It is specifically a derivative of 17α-bromoprogesterone and is similar structurally to medrogestone (6-dehydro-6,17α-dimethylprogesterone), medroxyprogesterone acetate (6α-methyl-17α-acetoxyprogesterone), and various other progestins derived from progesterone.
Chemical syntheses of haloprogesterone have been published.[4]
Haloprogesterone was synthesized in 1960 and was introduced for medical use by 1961.[5] [6]
Haloprogesterone is the generic name of the drug and its and .
Haloprogesterone was marketed under the brand name Prohalone.