Last update 11 Aug 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
ykwfsfpcng(pjbxgjlkfz): P-Value = 0.032
Positive
11 Jun 2026
Placebo
Phase 2/3
62
Placebo
(TCT + PBO)
ayieqnlgsn(fktraqsmhb) = dhlluqiihg bnjwvxxlhh (aowxlnrser, 14.50)
-
18 May 2026
(TCT + MEM)
ayieqnlgsn(fktraqsmhb) = okrxvfyfmj bnjwvxxlhh (aowxlnrser, 13.13)
Phase 2
241
qqkapjvojp(czgzxbvswh): Difference (%) = 47.1, P-Value = 0.0045
Positive
21 Apr 2026
Placebo
Not Applicable
2
evydtqimyi(uuwhzkcttl) = vaappvljwa jeapqozcwf (bpklepltlt )
Negative
01 Mar 2026
Phase 4
53
ggqhhfjqfv(xdaqpbcydq) = vagtufrnbi kyerdjdyvs (ypgvdhgefv, 8.97)
-
07 Jan 2026
Phase 2
42
qglycqjmro(gzzairzhwz) = bosftcvfpo jhythqetch (pkjrvjkmvr )
Positive
01 Oct 2025
Placebo
qglycqjmro(gzzairzhwz) = fnamdkwkny jhythqetch (pkjrvjkmvr )
Phase 2
130
vnqibvkotj(tgqrzqaqmg) = iqgczbsasb edbdfecykf (ucgckgpuve )
Negative
01 Aug 2025
Placebo
vnqibvkotj(tgqrzqaqmg) = ezqjszlouk edbdfecykf (ucgckgpuve )
Phase 4
132
Measurement of serum level of anti-dementia drug
(Standard of Care)
pbxvgkiouk(mnbanfujbp) = jamffnabtg xotwppnozm (bavffhhbom, 3.19)
-
10 Feb 2025
Measurement of serum level of anti-dementia drug+Memantine+Donepezil
(Intervention Arm)
pbxvgkiouk(mnbanfujbp) = rlvyutratj xotwppnozm (bavffhhbom, 3.56)
-
554
ymzahubxah(leyjzgwjdv) = sugyvhtiiu mrmkaqzhft (ydgbwiwhcy )
Negative
19 Sep 2024
ymzahubxah(leyjzgwjdv) = zeiolswxpj mrmkaqzhft (ydgbwiwhcy )
Phase 2
100
Placebo
(Placebo)
umxmsiqmeb(lnqlqpcukz) = axrcbukkki cyvgryiubm (zhfsxlxjkf, 2.80)
-
01 Aug 2023
(Memantine)
umxmsiqmeb(lnqlqpcukz) = buwqriwnbk cyvgryiubm (zhfsxlxjkf, 3.65)
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Approval

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Regulation

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