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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Memantine Hydrochloride Tablets Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Memantine on Magnetic Resonance (MR) Spectroscopy in Subjects at Risk for Alzheimer's Disease

NCT00933608
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
memantine, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years to 90 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 20, 2014 · Synced Sep 13, 2026, 6:55 PM EDT
Not yet recruiting Phase 1 Interventional

Escalating Doses of Memantine in Down Syndrome (MEDS-123)

NCT07531940
View directory record Official record
Conditions
Down Syndrome, Intellectual Disability
Interventions
Memantine
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
15 Years to 32 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Not applicable Interventional Results available

Does Memantine Improve Verbal Memory Task Performance in Subjects With Partial Epilepsy and Memory Dysfunction?

NCT01054599
View directory record Official record
Conditions
Epilepsy
Interventions
Memantine, Sugar Pill
Drug · Other
Lead sponsor
American Academy of Neurology
Other
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Atlanta, Georgia • Boston, Massachusetts • Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Memantine for Spasticity in MS Patients

NCT00638027
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
placebo, memantine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 6, 2015 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Open-Label Pilot Study of Namenda in Adult Subjects With ADHD and ADHD NOS

NCT00586573
View directory record Official record
Conditions
ADHD
Interventions
memantine hydrochloride
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 6, 2012 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Results available

SUVN-502 With Donepezil and Memantine for the Treatment of Moderate Alzheimer's Disease- Phase 2a Study

NCT02580305
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
SUVN-502, Placebo, Donepezil, Memantine
Drug
Lead sponsor
Suven Life Sciences Limited
Industry
Eligibility
50 Years to 85 Years
Enrollment
564 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
71
States / cities
Phoenix, Arizona • Tucson, Arizona • Costa Mesa, California + 56 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Sep 13, 2026, 6:55 PM EDT
Terminated Phase 4 Interventional Results available

Effect of Namenda on Short Term Memory and Attention in Patients With Mild to Moderate Traumatic Brain Injury

NCT00462228
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 22, 2017 · Synced Sep 13, 2026, 6:55 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

The Use of Memantine for Prevention of Alzheimer's Disease

NCT05063851
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Memantine Hydrochloride Tablets, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
50 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 13, 2026, 6:55 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
View directory record Official record
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Results available

A Randomized, Clinical Trial of Vitamin E and Memantine in Alzheimer's Disease

NCT00235716
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
dl-alpha-tocopherol, Memantine, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
40 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
13
States / cities
Bay Pines, Florida • Miami, Florida • Iowa City, Iowa + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2014 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Treatment Resistant Geriatric Depression in Primary Care

NCT01392287
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Memantine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
55 Years to 89 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 13, 2026, 6:55 PM EDT
Not listed Phase 4 Interventional

Memantine for Post-Operative Pain Control

NCT01041313
View directory record Official record
Conditions
Pain, Post-operative
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 28, 2010 · Synced Sep 13, 2026, 6:55 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Inhibition of α-synuclein Cell-cell Transmission by NMDAR Blocker, Memantine

NCT03858270
View directory record Official record
Conditions
Parkinson Disease
Interventions
Memantine, Placebo
Drug · Other
Lead sponsor
Wayne State University
Other
Eligibility
45 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Results available

Therapy in Amyotrophic Lateral Sclerosis (TAME)

NCT02118727
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Frontal Temporal Dementia
Interventions
Memantine, Placebo (for Memantine)
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
13
States / cities
Phoenix, Arizona • Irvine, California • Jacksonville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Sep 13, 2026, 6:55 PM EDT
Terminated Phase 3 Interventional

Memantine for the Treatment of Social Deficits in Youth With Disorders of Impaired Social Interactions

NCT03553875
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder, Nonverbal Learning Disability
Interventions
Memantine Hydrochloride, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
8 Years to 18 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Memantine and Cognitive Dysfunction in Bipolar Disorder

NCT00586066
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Memantine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
3
States / cities
Los Angeles, California • Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Not applicable Interventional Results available

Memantine for Treatment of Cognitive Impairment in Patients With Parkinson's Disease and Dementia

NCT00294554
View directory record Official record
Conditions
Parkinson's Disease, Cognitive Impairment, Dementia
Interventions
Memantine, Placebo Oral Tablet
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Results available

Long-term Safety and Tolerability of Idalopirdine (Lu AE58054) as Adjunctive Treatment to Donepezil in Patients With Mild-moderate Alzheimer's Disease

NCT02079246
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Idalopirdine 60 mg
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
50 Years and older
Enrollment
1,463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
64
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 56 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Delaying the Progression of Driving Impairment in Individuals With Mild Alzheimer's Disease

NCT00476008
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Memantine, Placebo
Drug
Lead sponsor
Florida Atlantic University
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Boca Raton, Florida
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A 10 Week Open-Label Pilot Study to Evaluate the Effectiveness and Safety of Memantine(Namenda) as Augmentation Therapy in Patients With Generalized Anxiety Disorder

NCT00411398
View directory record Official record
Conditions
General Anxiety Disorder, Social Anxiety Disorder
Interventions
Namenda/Memantine
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 64 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced Sep 13, 2026, 6:55 PM EDT
Recruiting Phase 2 Interventional

Effect of Acetylcholinesterase Inhibitors on Bone Metabolism

NCT06041789
View directory record Official record
Conditions
Osteoporosis
Interventions
Donepezil, Memantine
Drug
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 13, 2026, 6:55 PM EDT
Active, not recruiting Phase 2 Interventional

Evaluating the Neurophysiologic and Clinical Effects of Single Dose Drug Challenge

NCT05418049
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
Baclofen, Memantine, Roflumilast, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 13, 2026, 6:55 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Memantine-enhanced Buprenorphine Treatment for Opioid-dependent Young Adults

NCT01052662
View directory record Official record
Conditions
Opioid Dependence
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 25 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2015 · Synced Sep 13, 2026, 6:55 PM EDT
Withdrawn Phase 2 Interventional

Study of the Safety of Two Doses of Investigational Study Drug EVP-6124 in Subjects With Alzheimer's Disease Currently Receiving Memantine

NCT02246075
View directory record Official record
Conditions
Alzheimer's Disease, Dementia, Cognition
Interventions
EVP-6124
Drug
Lead sponsor
FORUM Pharmaceuticals Inc
Industry
Eligibility
55 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
2
States / cities
Delray Beach, Florida • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Sep 13, 2026, 6:55 PM EDT