17α-Hydroxyprogesterone (17α-OHP), also known as 17-OH progesterone (17-OHP), or hydroxyprogesterone (OHP), is an endogenous progestogen steroid hormone...

treatment of preterm birth in 2011 until the FDA banned 17α-OHPC in 2023. The use of hydroxyprogesterone caproate in pregnancy to prevent preterm birth in women...

contraction of 6α-methyl-17α-hydroxyprogesterone. It is closely related to medrogestone as well as other unesterified 17α-hydroxyprogesterone derivatives such as...

has more than 50-fold higher affinity for the PR isoforms than 17α-hydroxyprogesterone, a little less than half the affinity of progesterone, and slightly...

6α-methyl-17α-acetoxyprogesterone or as 6α-methyl-17α-acetoxypregn-4-ene-3,20-dione, and its generic name is a contraction of 6α-methyl-17α-hydroxyprogesterone...

include the 17α-hydroxyprogesterone derivatives medroxyprogesterone acetate, megestrol acetate, cyproterone acetate, and hydroxyprogesterone caproate, the...

progestogen esters, with the exception of esters of 17α-hydroxyprogesterone like hydroxyprogesterone caproate, are esters of progestins (synthetic progestogens)...

being the testosterone derivatives and, to a lesser extent, the 17α-hydroxyprogesterone derivatives medroxyprogesterone acetate and megestrol acetate....

by adding prefixes only rather than suffixes, e.g., the steroid 17α-hydroxyprogesterone has a hydroxy group (-OH) at position 17 of the steroid nucleus...

also known as 9α-fluoro-16α-hydroxyprednisolone 16α,17α-acetonide or as 9α-fluoro-11β,16α-17α,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal...

hydroxyl group has been substituted at the C17α position (as in 17α-hydroxyprogesterone), the acetyl group at the C17β position has been cyclized with...

hydroxylated via 17α-hydroxylase (CYP17A1) and 21-hydroxylase (CYP21A2) into 17α-hydroxyprogesterone and 11-deoxycorticosterone (21-hydroxyprogesterone), respectively...

(C17) of the steroid D ring (the 17α-hydroxylase activity, EC 1.14.14.19), or acts upon 17α-hydroxyprogesterone and 17α-hydroxypregnenolone to split the...

hypoaldosteronism) Elevated 17α-hydroxyprogesterone Classic 21-hydroxylase deficiency typically causes 17α-hydroxyprogesterone blood levels >242 nmol/L.[medical...

hydroxyprogesterone enanthate (OHPE), as well as 17α-hydroxyprogesterone heptanoate or 17α-hydroxypregn-4-ene-3,20-dione 17α-heptanoate, is a synthetic pregnane steroid...

are used in medicine. Major examples of progestins include the 17α-hydroxyprogesterone derivative medroxyprogesterone acetate and the 19-nortestosterone...

testosterone. DHT may also be synthesized from progesterone and 17α-hydroxyprogesterone via the androgen backdoor pathway in the absence of testosterone...

metabolite of progesterone that is formed in lower amounts than 17α-hydroxyprogesterone (17α-OHP). It occurs in micromolar concentrations and its physiological...

other 17α-hydroxyprogesterone derivatives such as acetomepregenol, anagestone acetate, chlormadinone acetate, cyproterone acetate, hydroxyprogesterone caproate...

Gynaecology and Obstetrics. de Gruyter. p. 49. ISBN 9783110006148. 17α-Hydroxyprogesterone caproate is a depot progestogen which is entirely free of side...

5α-Pregnan-17α-ol-3,20-dione, also known as 17α-hydroxy-dihydroprogesterone (17-OH-DHP) is an endogenous steroid, a metabolite of 17α-hydroxyprogesterone. 5α-Pregnan-17α-ol-3...

pregnenolone to DHEA. 17α-Hydroxypregneolone is also converted to 17α-hydroxyprogesterone, a prohormone for glucocorticosteroids and androstenedione through...

progestogen, retroprogesterone is not medically used. Note that 17α-hydroxyprogesterone is inactive as a progestogen and is not used medically. The 19-norprogesterone...

Progesterone → Allopregnanedione → Allopregnanolone 17α-Hydroxypregnenolone → 17α-Hydroxyprogesterone Androgens Dehydroepiandrosterone → Androstenedione...

and 17α-hydroxyprogesterone groups which was developed in the early 1960s but was never marketed. It is the C17α acetate ester of gestronol (17α...

As 17α-hydroxylase it mediates pregnenolone → 17α-hydroxypregnenolone and progesterone → 17α-hydroxyprogesterone. As 17,20-lyase it mediates 17α-hydroxypregnenolone...

significantly increase luteinizing hormone, progesterone, and 17α-hydroxyprogesterone levels, whereas levels of androstenedione, follicle-stimulating...

Estradiol valerate/hydroxyprogesterone caproate (EV/OHPC), sold under the brand names Gravibinon and Injectable No. 1 (or Chinese Injectable No. 1) among...

Retroprogesterone derivatives: Dydrogesterone Trengestone 17α-Hydroxyprogesterone (and closely related) derivatives: 17α-Hydroxylated: Acetomepregenol (mepregenol diacetate)...

[1] 11β-Hydroxyprogesterone (21-deoxycorticosterone) = 11β-hydroxypregn-4-ene-3,20-dione 11β,17α,21-Trihydroxypregnenolone = 3β,11β,17α...