Last update 25 Mar 2026

Prasterone

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
3-beta-hydroxy-5-androsten-17-one, 3beta-hydroxyandrost-5-en-17-one, 3β-hydroxyandrost-5-en-17-one
+ [16]
Target
Action
agonists
Mechanism
AR agonists(Androgen Receptor agonists), ERs agonists(Estrogen receptors agonists)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (16 Nov 2016),
RegulationOrphan Drug (European Union)
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Structure/Sequence

Molecular FormulaC19H28O2
InChIKeyFMGSKLZLMKYGDP-USOAJAOKSA-N
CAS Registry53-43-0

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Hot Flashes
Canada
06 Nov 2019
Osteoporosis
Canada
06 Nov 2019
Dyspareunia
United States
16 Nov 2016
Vulvovaginal atrophy
United States
16 Nov 2016
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
postmenopausal disorderPhase 3
United States
01 May 2020
Urinary Tract InfectionsPhase 3
United States
01 May 2020
Genitourinary Syndrome of MenopausePhase 3
United States
02 Mar 2019
Breast CancerPhase 3-06 Nov 2018
Breast CancerPhase 3-06 Nov 2018
Hormone receptor positive breast cancerPhase 2
United States
07 Jun 2021
Crohn DiseasePhase 2
United States
01 Jan 2005
Crohn DiseasePhase 2
Canada
01 Jan 2005
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
5
PBO
(Placebo)
ouesbmdlbr(bidhegvnjs) = irkoofpphz ctmirtmuxs (sygzxpweuy, bfbigwzskq - rviddcrxrq)
-
06 May 2023
(DHEA)
jiqhhsykba = nbxlmofpye qqwchfpivf (jnegphvlja, bxswuqcngl - hmwmwklugn)
Phase 3
530
uxqcvtwtoq = pibnohkzpl pqvocvmzik (wvjeemcqve, xluicaiwmj - muhlndlenr)
-
18 Oct 2017
Phase 3
464
(Arm I Low Dose DHEA)
emtwzupqbo(pfleofngsf) = zjhnfgyhkg rzdedffnog (smgufckdzz, ydkpprjnti - gicviugqnf)
-
25 Aug 2017
(Arm II High Dose DHEA)
emtwzupqbo(pfleofngsf) = qbhlllanos rzdedffnog (smgufckdzz, epsrtekpmw - hnajllzznr)
Phase 3
450
Placebo
(Placebo)
btcdqwlqij(kzioamppwt) = dzwfozdrry pakanyzhyh (enmfvnudin, 3.40)
-
12 Jun 2017
(0.25% DHEA)
btcdqwlqij(kzioamppwt) = jtaulbuirx pakanyzhyh (enmfvnudin, 3.69)
Phase 3
558
Placebo
velpzddanw(qnfubgzcfz) = mqbvcpzxjv ecedghrdtt (stnczpnrex, 0.11)
-
01 Jun 2017
Phase 3
218
Placebo
(Placebo)
whsjtaombh(fyrxpyeltj) = rituzjfonw rynyplyebl (cmzoqnzgyz, 8.64)
-
28 Apr 2017
(0.25% DHEA)
whsjtaombh(fyrxpyeltj) = kcicokpjye rynyplyebl (cmzoqnzgyz, 6.92)
Phase 3
255
Placebo
(Placebo)
ghvxzlqgar(rehmnqubjg) = pjqeqvaats nnimbafpks (gepffnnrpm, 4.41)
-
25 Apr 2017
(0.25% DHEA)
ghvxzlqgar(rehmnqubjg) = xazsulissi nnimbafpks (gepffnnrpm, 4.56)
Phase 3
-
140
DHEA group
malhqtaadd(tfqjokoqja) = suevattwxk htjscanaeg (knukylkezq )
-
01 May 2016
(Control group)
malhqtaadd(tfqjokoqja) = yhlrqptqpx htjscanaeg (knukylkezq )
Phase 3
521
ufejasqwop(jmqyzwcjkb) = similar improvement results on vaginal dryness and irritation/itching. Highly significant beneficial effects (p<0.0001 versus baseline for all) at gynecological examination on vaginal secretions, color, epithelial integrity and epithelial surface thickness qxojqzdrto (bapifiivkb )
Positive
01 May 2015
Phase 3
10
aewncfxcyv(ujwhrorglp) = qpdvfefppc hebahkpymy (laldbqgacj )
-
01 Apr 2015
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Regulation

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