Trioestrine Retard
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Estradiol diundecylate/hydroxyprogesterone heptanoate/testosterone cyclohexylpropionate (EDU/OHPH/TCHP), sold under the brand name Trioestrine Retard, is an injectable
combination medication A combination drug is a combination of two or more pharmaceutical drugs as active ingredients combined into a single dosage form, typically as a ''fixed-dose combination'', with each constituent standardized to specifications of a fixed dose. Fix ...
of estradiol diundecylate (EDU), an
estrogen Estrogen (also spelled oestrogen in British English; see spelling differences) is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics. There are three ...
, hydroxyprogesterone heptanoate (OHPH), a
progestogen Progestogens, also sometimes written progestins, progestagens or gestagens, are a class of natural or synthetic steroid hormones that bind to and activate the progesterone receptors (PR). Progesterone is the major and most important progestoge ...
, and testosterone cyclohexylpropionate (TCHP), an
androgen An androgen (from Greek ''andr-'', the stem of the word meaning ) is any natural or synthetic steroid hormone that regulates the development and maintenance of male characteristics in vertebrates by binding to androgen receptors. This includes ...
/
anabolic steroid Anabolic steroids, also known as anabolic-androgenic steroids (AAS), are a class of drugs that are structurally related to testosterone, the main male sex hormone, and produce effects by binding to the androgen receptor (AR). Anabolism, Anaboli ...
. It contained 2.25 mg EDU, 100 mg OHPH, and 67.5 mg TCHP in
oil solution An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) and lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturat ...
, was provided as
ampoule An ampoule (also ampul and ampule) is a small sealed vial which is used to contain and preserve a sample, usually a solid or liquid. Ampoules are usually made of glass. Modern ampoules are most commonly used to contain pharmaceuticals and chem ...
s, and was administered by
intramuscular injection Intramuscular injection, often abbreviated IM, is the medical injection, injection of a substance into a muscle. In medicine, it is one of several methods for parenteral, parenteral administration of medications. Intramuscular injection may be ...
. The medication was manufactured by Roussel and Théramex and was marketed by 1953. It is no longer available.


See also

* List of combined sex-hormonal preparations § Estrogens, progestogens, and androgens


References

Abandoned drugs Combined estrogen–progestogen–androgen formulations {{Genito-urinary-drug-stub