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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Memantine Hydrochloride (HCl) Clear all
Withdrawn Early Phase 1 Interventional

Targeting Spreading Depolarization After Chronic Subdural Hematoma Surgery (TASD)

NCT04966546
View directory record Official record
Conditions
Chronic Subdural Hematoma
Interventions
Memantine Hydrochloride, Placebo
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 27, 2026, 9:19 AM EDT
Terminated Phase 2 Interventional Results available

Safety Study of Memantine in Pediatric Patients With Autism, Asperger's Disorder or Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS)

NCT01592773
View directory record Official record
Conditions
Autism Spectrum Disorder (ASD), Autism, Autistic Disorder, Asperger's Disorder, Asperger's, Pediatric Autism, Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS)
Interventions
Memantine Hydrochloride (HCl)
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
6 Years to 12 Years
Enrollment
747 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
68
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2015 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 4 Interventional Results available

A Study of Memantine Hydrochloride (Namenda®) for Cognitive and Behavioral Impairment in Adults With Autism Spectrum Disorders

NCT01333865
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Memantine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 4 Interventional

Safety and Tolerability of Rivastigmine With Add-on Memantine in Patients With Probable Alzheimer's Disease

NCT00305903
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Rivastigmine, memantine
Drug
Lead sponsor
Novartis
Industry
Eligibility
50 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Paterson, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 20, 2007 · Synced Sep 27, 2026, 9:19 AM 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 27, 2026, 9:19 AM 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 27, 2026, 9:19 AM EDT
Completed Phase 3 Interventional

An Evaluation of the Safety and Efficacy of Memantine in Agitated Patients With Moderate to Severe Alzheimer's Disease

NCT00097916
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
memantine HCl
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
50 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
9
States / cities
San Francisco, California • Westminster, California • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2012 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 3 Interventional

Clinical Trial of Memantine for Major Depression

NCT00040261
View directory record Official record
Conditions
Depression
Interventions
Memantine HCL
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 3 Interventional Results available

Memantine Hydrochloride and Whole-Brain Radiotherapy With or Without Hippocampal Avoidance in Reducing Neurocognitive Decline in Patients With Brain Metastases

NCT02360215
View directory record Official record
Conditions
Cognitive Impairment, Metastatic Malignant Neoplasm in the Brain, Solid Neoplasm
Interventions
Whole brain radiation therapy with hippocampal avoidance, Memantine, Whole brain radiation therapy
Radiation · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
212
States / cities
Tuscaloosa, Alabama • Gilbert, Arizona • Tucson, Arizona + 172 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 4 Interventional Results available

Efficacy and Safety of Memantine Hydrochloride in Enhancing the Cognitive Abilities of Young Adults With Down Syndrome

NCT01112683
View directory record Official record
Conditions
Down Syndrome
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 32 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

An Open-Label Safety Study of Memantine in Pediatric Patients With Autism, Asperger's Disorder, or Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS)

NCT01592786
View directory record Official record
Conditions
Autism Spectrum Disorder (ASD), Autism, Autistic Disorder, Asperger's Disorder, Asperger's, Pediatric Autism, Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS)
Interventions
Memantine Hydrochloride (HCl)
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
6 Years to 12 Years
Enrollment
906 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
72
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 63 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional

An Evaluation of the Safety and Efficacy of Memantine in Patients With Acute Mania Associated With Bipolar I Disorder

NCT00106405
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Memantine HCl
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
6
States / cities
National City, California • Baltimore, Maryland • Saint Charles, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2012 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

Open-label Study of Safety and Tolerability of Memantine in Children With Autism

NCT01999894
View directory record Official record
Conditions
Autism, Pediatric Autism
Interventions
Memantine HCl
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
6 Years to 18 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
19
States / cities
Phoenix, Arizona • Sacramento, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2014 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Not applicable Interventional Results available

Memantine for Executive Dysfunction in Adults With ADHD: A Pilot Study

NCT01533493
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Executive Function Deficits (EFD)
Interventions
Placebo, Memantine Hydrochloride, OROS-Methylphenidate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 27, 2026, 9:19 AM 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 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

Memantine Hydrochloride in Helping Cancer Survivors Stop Smoking

NCT01535040
View directory record Official record
Conditions
Breast Cancer, Colorectal Cancer, Lung Cancer, Prostate Cancer, Tobacco Use Disorder
Interventions
memantine hydrochloride, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional

Evaluation of the Safety and Efficacy of Memantine as Adjunctive Treatment in Schizophrenia Patients

NCT00097942
View directory record Official record
Conditions
Schizophrenia
Interventions
memantine HCl
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
13
States / cities
National City, California • San Diego, California • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2012 · Synced Sep 27, 2026, 9:19 AM 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 27, 2026, 9:19 AM EDT
Terminated Phase 1 Interventional

Temozolomide, Memantine Hydrochloride, Mefloquine, and Metformin Hydrochloride in Treating Patients With Glioblastoma Multiforme After Radiation Therapy

NCT01430351
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma, Supratentorial Glioblastoma
Interventions
Mefloquine, Memantine Hydrochloride, Metformin Hydrochloride, Temozolomide
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Down Syndrome Memantine Follow-up Study

NCT02304302
View directory record Official record
Conditions
Down Syndrome, Intellectual Disability
Interventions
Memantine, Placebo
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
15 Years to 32 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 26, 2023 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

Withdrawal Study of Memantine in Pediatric Patients With Autism, Asperger's Disorder, or Pervasive Developmental Disorder Not Otherwise Specified Previously Treated With Memantine

NCT01592747
View directory record Official record
Conditions
Autistic Disorder, Autism, Asperger's Disorder, Asperger Syndrome, Autism Spectrum Disorders, Pervasive Developmental Disorder - Not Otherwise Specified (PDD-NOS)
Interventions
Memantine Hydrochloride (HCl), Placebo capsules
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
6 Years to 12 Years
Enrollment
479 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
64
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 58 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 27, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

Memantine Treatment Study of Pathological Gambling

NCT00585169
View directory record Official record
Conditions
Pathological Gambling
Interventions
Memantine Hydrochloride
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
New Haven, Connecticut • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2013 · Synced Sep 27, 2026, 9:19 AM 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 27, 2026, 9:19 AM EDT
Completed Early Phase 1 Interventional

Memantine for the Reduction of Cognitive Impairment After Radiation Therapy in Pediatric Patients With Central Nervous System Tumors

NCT04217694
View directory record Official record
Conditions
Malignant Central Nervous System Neoplasm, Primary Central Nervous System Neoplasm
Interventions
Cogstate Assessment Battery, Memantine, Memantine Hydrochloride
Behavioral · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
4 Years to 18 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Sep 27, 2026, 9:19 AM EDT