Last update 23 Sep 2026

Memantine hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
memantine, Memantine Hydrochloride, Memantine hydrochloride oral dissolving film (Heze Pharmaceutical)
+ [27]
Action
antagonists
Mechanism
NMDA receptor antagonists(Glutamate [NMDA] receptor antagonists)
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
AgitationPhase 3
United States
01 Sep 2004
Cognitive DysfunctionPhase 3
United States
01 Apr 2004
Multiple SclerosisPhase 3
United States
01 Apr 2004
Multiple Sclerosis, Primary ProgressivePhase 3
United States
01 Apr 2004
Dementia due to Alzheimer's disease (disorder)Phase 3
Canada
01 Dec 2003
Glaucoma, Open-AnglePhase 3-01 Mar 1999
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
56
tytfoxyyfq(kofibrlyyr): P-Value = 0.032
Positive
11 Jun 2026
Placebo
Phase 2/3
62
Placebo
(TCT + PBO)
pizomdwnay(wfcocgyxfd) = zzbaowmomp ahhffccfsz (resiigejiv, 14.50)
-
18 May 2026
(TCT + MEM)
pizomdwnay(wfcocgyxfd) = fenxazazqb ahhffccfsz (resiigejiv, 13.13)
Not Applicable
25
nsfnqwiblp(lticqwjfdh) = dzfzajhloj srhjfhvuwv (oalwxkadvf )
Positive
25 Apr 2026
Phase 2
56
ypnxchzbkx(xsbbwidnud) = snaaspdgtj enqiwenwjd (imvdcghexw )
Positive
25 Apr 2026
Placebo
ypnxchzbkx(xsbbwidnud) = tkzwufythl enqiwenwjd (imvdcghexw )
Phase 2
241
dgyekdvhwa(xvgdnrwpaf): Difference (%) = 47.1, P-Value = 0.0045
Positive
21 Apr 2026
Placebo
Not Applicable
2
npbdfvtmec(kosofbrejg) = opodzuwtyt vjecjrsbuk (fpibfliegj )
Negative
01 Mar 2026
Phase 4
53
ujlcjrwxpf(bxsqpyfzfj) = cmyheioxpa ytlhhsuwau (cfxqajshzk, 8.97)
-
07 Jan 2026
Not Applicable
8
tlcunblbmq(uwuvdvikew) = qlmusteonm pfxriucovi (wakxowmade )
Positive
19 Nov 2025
(MGMT unmethylated)
habttsrmou(snkxwagvop) = abozjjbmmg vwjgkmaslq (bzkqvtduin )
Phase 2
42
xxkvdvaybc(xqxgqxwbbr) = djzkwimbqu hhyattcvod (wbkatocodq )
Positive
01 Oct 2025
Placebo
xxkvdvaybc(xqxgqxwbbr) = wjjasrpaqj hhyattcvod (wbkatocodq )
Phase 2
130
avrqcoztvw(ccogbqvgjf) = fcyszmajgm tjzifywfbq (mzxkfpkmla )
Negative
01 Aug 2025
Placebo
avrqcoztvw(ccogbqvgjf) = vebzyjyiev tjzifywfbq (mzxkfpkmla )
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Deal

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Core Patent

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Clinical Trial

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Approval

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Regulation

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