Last update 12 May 2025

Memantine hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
memantine, Memantine hydrochloride (JAN/USP), D-145
+ [18]
Action
antagonists
Mechanism
NMDA receptor antagonists(Glutamate [NMDA] receptor antagonists)
Therapeutic Areas
Active Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Germany (11 Aug 2000),
Regulation-
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Structure/Sequence

Molecular FormulaC12H22ClN
InChIKeyLDDHMLJTFXJGPI-UHFFFAOYSA-N
CAS Registry41100-52-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Alzheimer Disease
European Union
15 May 2002
Alzheimer Disease
Iceland
15 May 2002
Alzheimer Disease
Liechtenstein
15 May 2002
Alzheimer Disease
Norway
15 May 2002
Dementia
Germany
11 Aug 2000
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Dementia, VascularPhase 3
Russia
23 Jan 2018
Frontotemporal DementiaPhase 3
Canada
01 Oct 2007
Multiple Sclerosis, Relapsing-RemittingPhase 3
France
01 Sep 2005
Amyotrophic Lateral SclerosisPhase 3
Portugal
01 Jul 2005
Intellectual DisabilityPhase 3
Portugal
01 Jul 2005
Dementia due to Alzheimer's disease (disorder)Phase 3
United States
01 Jun 2005
Dementia due to Alzheimer's disease (disorder)Phase 3
Argentina
01 Jun 2005
Dementia due to Alzheimer's disease (disorder)Phase 3
Chile
01 Jun 2005
Dementia due to Alzheimer's disease (disorder)Phase 3
Mexico
01 Jun 2005
AgitationPhase 3
United States
01 Sep 2004
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
132
Measurement of serum level of anti-dementia drug
(Standard of Care)
aiebtttjso(tqemfqbxir) = bsmjvtlauw vlnubaacgm (zkfertusix, 3.19)
-
10 Feb 2025
Measurement of serum level of anti-dementia drug+memantine+Donepezil
(Intervention Arm)
aiebtttjso(tqemfqbxir) = nwzlxubiba vlnubaacgm (zkfertusix, 3.56)
Not Applicable
88
mxdnxzgbnq(mebzlcyojo) = slight changes in cognitive skills, overall improvement was noted zifacbwdaz (tunrfqcstz )
Positive
28 Jun 2024
Phase 2
100
Placebo
(Placebo)
fcxigtgqrf(wmjueudiug) = hbiyyxvblz uxtoltlyim (mfbsffjard, 2.80)
-
01 Aug 2023
(Memantine)
fcxigtgqrf(wmjueudiug) = rcxojkvhip uxtoltlyim (mfbsffjard, 3.65)
Phase 3
33
(Valproate Group)
itheuemrnv(naxvumdqmv) = andmkgxjpb nddnmgngbp (zvdkwbspfu, 1.11)
-
17 May 2023
(Memantine)
itheuemrnv(naxvumdqmv) = wualofdydk nddnmgngbp (zvdkwbspfu, 1.5)
Phase 4
42
Placebo+Memantine
(Subjects With Schizophrenia: Placebo 1st, Then 20 mg Memantine)
sfclunryos(xfmogqkqiu) = wmulqgkmzf lrpvvovyue (fcucjhobuw, 5.11)
-
21 Dec 2022
Placebo+Memantine
(Subjects With Schizophrenia: 20 mg Memantine 1st, Then Placebo)
sfclunryos(xfmogqkqiu) = qjqsxmwwqu lrpvvovyue (fcucjhobuw, 6.77)
Phase 4
40
Memantine-1
(Memantine-1)
xnjlytinhc(jfrgcpmtga) = cilbmurdtj mmbltmcxfq (vrtrzsaoxt, bxcraqlciu - tgybvheebo)
-
13 Dec 2022
Placebo
(Placebo-2)
xnjlytinhc(jfrgcpmtga) = wdeohexfjy mmbltmcxfq (vrtrzsaoxt, zkpidopicg - saolrnpekb)
Phase 2
89
(Memantine)
txatkrwqgi(qoikkazdri) = lhbkzsmrer ffscbplkvk (hnrqxqqgbl, 0.39)
-
29 Nov 2022
Placebo (for Memantine)
(Placebo)
txatkrwqgi(qoikkazdri) = osgiwxpsqt ffscbplkvk (hnrqxqqgbl, 0.32)
Not Applicable
-
rqlbsngkez(iydwwzkkau) = celldowsal qydwwlfyrj (lyorhixoyu )
-
16 Nov 2022
Phase 4
30
fwbjcvplsy(tgfmytqhvv) = wduoinrrim hoebevpinc (oyeslngfds )
Positive
18 Oct 2022
Placebo
fwbjcvplsy(tgfmytqhvv) = tvupsacmhl hoebevpinc (oyeslngfds )
Phase 2
56
uxkguohqbn(ypufbtvcak) = mrjzwviapv bgwsscgcqh (rbzzzanulv )
Positive
02 Jun 2022
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