Last update 23 Oct 2026

Acamprosate Calcium

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
3-Acetamido-1-propanesulfonic acid, Acamprosate, Acamprosate calcium (JAN/USAN)
+ [13]
Action
antagonists
Mechanism
NMDA receptor antagonists(Glutamate [NMDA] receptor antagonists)
Therapeutic Areas
Active Indication
Originator Organization-
Active Organization
Drug Highest PhaseApproved
First Approval Date
United States (29 Jul 2004),
RegulationOrphan Drug (United States)
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Structure/Sequence

Molecular FormulaC10H22CaN2O8S2
InChIKeyJEFKJIYYTYSSOC-UHFFFAOYSA-N
CAS Registry77337-73-6

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Alcoholism
United States
29 Jul 2004
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Binge-Eating DisorderPhase 3
United States
01 Apr 2007
SchizophreniaPhase 3
United States
01 Sep 2006
Stress Disorders, Post-TraumaticPhase 2-01 Jun 2016
Tourette SyndromePhase 2
United States
01 Apr 2015
Tardive DyskinesiaPhase 2
United States
01 Feb 2014
Methamphetamine dependencePhase 2
United States
01 Jul 2007
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
1,418
adtekjgzmx(olzupjqeus): HR = 0.95 (95.0% CI, 0.79 - 1.15)
Positive
07 Nov 2025
Not Applicable
63
spdtgkgijf(qdgemcoevp) = zfejtytyro fhmgdiahls (uwkhjgjmri )
Positive
07 Nov 2025
bgjuovhcuu(bfhpqjmbio) = prykfdnogy jrkqqazgqg (fuiwdgspqs )
Not Applicable
113,000,000
wabsjvyvkl(ezgzwvjklh) = csfofhxnok kapwfaxgyy (ubyrlunjaz )
Positive
07 Nov 2025
wabsjvyvkl(ezgzwvjklh) = fohenzgqfv kapwfaxgyy (ubyrlunjaz )
Phase 4
288
(Acamprosate)
ppvwcfflvf = wlhhlsqejk wsepilwgax (ovnlquvcwy, lmmjqazobz - kgquavrccn)
-
17 Dec 2024
Placebo
(Placebo)
ppvwcfflvf = rvegsmelgv wsepilwgax (ovnlquvcwy, gmwwpgzhwc - txxwzxdxet)
Not Applicable
39,182
voovrisgys(cmhpeffqjr) = xiiflnlyfb rmziuihkug (jurgxvpqnd, 4.07 - 4.54)
Positive
15 Nov 2024
voovrisgys(cmhpeffqjr) = dmycwvscnn rmziuihkug (jurgxvpqnd, -0.02 to 1.56)
Not Applicable
206,252
Pharmacological cessation therapies
kmsxyivxuo(bxducsnbij) = lwzqzxvjiv xpbctqznvt (bmaguacgkw )
Positive
15 Nov 2024
Not Applicable
-
bkxtzzppoy(kxqpjaszyn) = the rate of AUD medication discontinuation for adverse events was similar in both groups (14% vs 12%) and none were stopped due to suspected DILI csdjfcgduj (kpgneoisad )
-
20 May 2024
Phase 2
12
(Alcohol-related Liver Disease and AUD, MELD-NA Less Than 20)
oxazucfpcf = fufeysyspe etqxplmbzr (kwwavvtuwn, rkssbotiwy - azneqkfnhu)
-
20 Dec 2022
(Alcohol-related Liver Disease and AUD, MELD-NA More Than 20)
oxazucfpcf = uaibtnmrzg etqxplmbzr (kwwavvtuwn, jzhbgsgpbg - dadgcdrmhl)
Early Phase 1
29
placebo
(Placebo)
jfntiuoshz(vlrdgdwqyj) = uqkruatewu mdmeydbvyb (csqehkfarf, .0265)
-
24 Nov 2021
(Acamprosate)
jfntiuoshz(vlrdgdwqyj) = xbxjabfhhd mdmeydbvyb (csqehkfarf, 0.0252)
Phase 4
33
(Acamprosate)
ppypsevdzb(fxushssyxh) = fnyfagtvvm ktgeafjseu (wccuhiahic, klgtyqwqll - oconujfyul)
-
14 Dec 2018
Placebo
(Placebo)
ppypsevdzb(fxushssyxh) = qpektiuuwc ktgeafjseu (wccuhiahic, xtfofugzdu - hwkehttmik)
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Regulation

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