Oxogestone phenpropionate (OPP; ) (former developmental code name or tentative brand name Oxageston), also known as xinogestone, as well as 20β-hydroxy-19-norprogesterone 20β-(3-phenylpropionate), is a

progestin A progestogen, also referred to as a progestagen, gestagen, or gestogen, is a type of medication which produces effects similar to those of the natural female sex hormone progesterone in the body. A progestin is a ''synthetic'' progestogen. Pro ...

related to the 19-norprogesterone derivatives which was developed as an injectable

hormonal contraceptive Hormonal contraception refers to birth control methods that act on the endocrine system. Almost all methods are composed of steroid hormones, although in India one selective estrogen receptor modulator is marketed as a contraceptive. The origi ...

, specifically a progestogen-only injectable contraceptive, in the 1960s and early 1970s but was never marketed.Heeres, S. G. (1967). Preliminary results with a long-acting progestational preparation. In: Wood, C. and Walters, W.A., eds. Fifth World Congress of Gynaecology and Obstetrics, Sydney, September 1967. New York Appleton-Century-Crofts, 1967. p. 348 http://www.popline.org/node/475027 It was studied at a dose of 50 to 75 mg once a month by

intramuscular injection Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine, it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles hav ...

but was associated with a high failure rate with this regimen and was not further developed. OPP is the 20β-(3-

phenylpropionate Phenylpropanoic acid or hydrocinnamic acid is a carboxylic acid with the formula C9H10O2 belonging to the class of phenylpropanoids. It is a white, crystalline solid with a sweet, floral scent at room temperature. Phenylpropanoic acid has a wide va ...

)

ester In chemistry, an ester is a compound derived from an oxoacid (organic or inorganic) in which at least one hydroxyl group () is replaced by an alkoxy group (), as in the substitution reaction of a carboxylic acid and an alcohol. Glycerides ...

of oxogestone, which, similarly, was never marketed.

References

Abandoned drugs Hormonal contraception Norpregnanes Phenylpropionate esters Progestogen esters Progestogens {{Steroid-stub

See also

References