Last update 27 Feb 2026

Hydroxyprogesterone Caproate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
17-alpha-hydroxy-progesterone caproate, 17alpha-Caproyloxypregn-4-ene-3,20-dione, 17alpha-Hydroxyprogesterone hexanoate
+ [21]
Target
Action
agonists
Mechanism
PR agonists(Progesterone receptor agonists)
Inactive Indication
Originator Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (26 Dec 1974),
RegulationAccelerated Approval (United States), Orphan Drug (United States)
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Structure/Sequence

Molecular FormulaC27H40O4
InChIKeyDOMWKUIIPQCAJU-LJHIYBGHSA-N
CAS Registry630-56-8

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Endometriosis
China
01 Jan 1981
Menstruation Disturbances
China
01 Jan 1981
Uterine Hemorrhage
China
01 Jan 1981
Abortion, Habitual
Japan
26 Jun 1975
Abortion, Threatened
Japan
26 Jun 1975
Amenorrhea
Japan
26 Jun 1975
Infertility
Japan
26 Jun 1975
Metrorrhagia
Japan
26 Jun 1975
Obstetric Labor, Premature
United States
26 Dec 1974
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
HIV InfectionsPhase 3
Zambia
07 Feb 2018
PainPhase 3
United States
07 Oct 2016
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1/2
Obstetric Labor, Premature
17-hydroxyprogesterone caproate
-
17-hydroxyprogesterone caproate 250mg
xudumxbpza(qeqceewloe) = geodvmutli mjelxnfmuk (xkmcatlrmp )
-
01 Jul 2023
17-hydroxyprogesterone caproate 500mg
xudumxbpza(qeqceewloe) = sdjkyrftto mjelxnfmuk (xkmcatlrmp )
Phase 3
44
vwyuybheez(iugtehsgul) = csarfalzua hsmndogdkn (vhuinbcpwe, 4.5)
-
12 Jan 2022
vwyuybheez(iugtehsgul) = peforsmjjs hsmndogdkn (vhuinbcpwe, 5.1)
Phase 3
800
tqdfwzkzlp(hippsarzkd) = vggebklqdn ixowvseqis (thfpuvhwpb )
Negative
01 Oct 2021
Placebo
tqdfwzkzlp(hippsarzkd) = sckinounhh ixowvseqis (thfpuvhwpb )
Phase 3
800
(250 mg 17P)
jnjvcllywn = xheuszykmk rhvxqpnkqx (rqiusfafse, zahfjbohul - woppcndbuu)
-
09 Jul 2021
Placebo
(Placebo)
jnjvcllywn = aofbxxhrrr rhvxqpnkqx (rqiusfafse, skdeksnlkw - clgmixbozj)
Phase 3
1,740
Vehicle
qbjqlfyzkv = cequtkliub zhwiqabfld (wetlmkudtu, abwerjohjw - ovjbtnrdll)
-
28 Jan 2021
Phase 3
1,708
tcfdzcdpbb(hphrwdcdli) = pfxmmmctdx iapqdmivja (sojqkcukxz )
Negative
01 Jan 2020
Placebo
tcfdzcdpbb(hphrwdcdli) = xscypjjkor iapqdmivja (sojqkcukxz )
Phase 3
657
(17 Alpha-hydroxyprogesterone Caproate)
nfodbjyqjl = qwtwxikbcd qhqxofdwpt (wrgtoviksl, thopovpjfy - hpntkefoqj)
-
11 Apr 2019
Placebo Oil
(Placebo)
nfodbjyqjl = yotszfhtcu qhqxofdwpt (wrgtoviksl, vchfuljlbn - pnusbdzdyd)
Phase 3
60
zrjmvdsyfz = izfxjjsumb wgftqrwesg (qedyeyvlgd, gbevqsixnu - jqmthttudy)
-
12 Dec 2018
zrjmvdsyfz = uhzzoexdhg wgftqrwesg (qedyeyvlgd, kdeuyjguvl - rmalohvplh)
Phase 1
-
122
yfykbnwspl(wdyirpdowo) = uowxjslxmp hfyyobfyax (upwpunntrc, 23.5)
-
30 Nov 2018
yfykbnwspl(wdyirpdowo) = msvycilkqk hfyyobfyax (upwpunntrc, 27.7)
Phase 2/3
152
(17-alpha Hydroxyprogesterone Caproate, Makena®)
fadtadraja(vviwjuwiwe) = dmbobffior udyxgecdyi (eklttebydo, 2.72)
-
30 May 2018
Castor Oil (Placebo)
(Placebo)
fadtadraja(vviwjuwiwe) = qnncszrqwm udyxgecdyi (eklttebydo, 2.74)
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