20α-Dihydrodydrogesterone (20α-DHD), also known as 20α-hydroxydydrogesterone, as well as 20(''S'')-hydroxy-9β,10α-pregna-4,6-dien-3-one, 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. ...
and the major
active metabolite
An active metabolite, or pharmacologically active metabolite is a biologically active metabolite of a xenobiotic substance, such as a drug or environmental chemical. Active metabolites may produce therapeutic effects, as well as harmful effects. ...
of
dydrogesterone
Dydrogesterone, sold under the brand name Duphaston among others, is a progestin drug, medication which is used for a variety of indications, including miscarriage, threatened or recurrent miscarriage during pregnancy, dysfunctional bleeding, i ...
.
It appears that dydrogesterone is a
prodrug
A prodrug is a pharmacologically inactive medication or compound that, after intake, is metabolized (i.e., converted within the body) into a pharmacologically active drug. Instead of administering a drug directly, a corresponding prodrug can be ...
of 20α-DHD, as it is largely
transformed into this
metabolite
In biochemistry, a metabolite is an intermediate or end product of metabolism.
The term is usually used for small molecules. Metabolites have various functions, including fuel, structure, signaling, stimulatory and inhibitory effects on enzymes, c ...
when given
orally in humans.
20α-DHD has
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 ...
ic activity similarly to dydrogesterone, but is far less
potent in comparison.
See also
*
20α-Dihydroprogesterone
*
20α-Dihydrotrengestone
References
Secondary alcohols
Conjugated dienes
Human drug metabolites
Enones
Pregnanes
Progestogens
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