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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Amantadine Clear all
Completed Phase 1Phase 2 Interventional Results available

TCAD vs. Monotherapy for Influenza A in Immunocompromised Patients

NCT00867139
View directory record Official record
Conditions
Influenza
Interventions
TCAD, Zanamivir or Oseltamivir, Open label treatment with TCAD
Drug · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
1 Year and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 14, 2013 · Synced Jul 23, 2026, 2:43 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 Jul 23, 2026, 2:43 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Memantine Augmentation of Targeted Cognitive Training in Schizophrenia

NCT04857983
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 2 Interventional Results available

Memantine for Prevention of Cognitive Decline in Patients With Breast Cancer

NCT04033419
View directory record Official record
Conditions
Cognitive Decline, Chemo-brain
Interventions
Memantine
Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Jul 23, 2026, 2:43 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Amantadine Hydrochloride (HCl) ER Tablets to Treat Parkinson's Disease Patients With LID.

NCT02153645
View directory record Official record
Conditions
Parkinson's Disease, Levodopa Induced Dyskinesias (LID)
Interventions
240mg Amantadine HCl ER tablets, Placebo tablets, 320mg Amantadine HCl ER tablets
Drug
Lead sponsor
Adamas Pharmaceuticals, Inc.
Industry
Eligibility
30 Years to 85 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
26
States / cities
Tucson, Arizona • Fountain Valley, California • Irvine, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2022 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 2 Interventional Results available

Memantine Augmentation in Treatment-Resistant Adults With Obsessive-Compulsive Disorder

NCT00956085
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Memantine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Jul 23, 2026, 2:43 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 Jul 23, 2026, 2:43 AM 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 Jul 23, 2026, 2:43 AM 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 Jul 23, 2026, 2:43 AM EDT
Recruiting Phase 2 Interventional

NTS-WBRT in Brain Metastases

NCT05013892
View directory record Official record
Conditions
Brain Metastases
Interventions
NTS-WBRT (normal tissue sparing whole brain radiation therapy), Memantine
Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 23, 2026, 2:43 AM EDT
Recruiting Phase 3 Interventional

Testing if High Dose Radiation Only to the Sites of Brain Cancer Compared to Whole Brain Radiation That Avoids the Hippocampus is Better at Preventing Loss of Memory and Thinking Ability

NCT04804644
View directory record Official record
Conditions
Metastatic Lung Small Cell Carcinoma, Metastatic Malignant Neoplasm in the Brain, Recurrent Lung Small Cell Carcinoma, Stage IV Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Magnetic Resonance Imaging, Memantine Hydrochloride, Neurocognitive Assessment, Stereotactic Radiosurgery, Survey Administration, Whole-Brain Radiotherapy
Procedure · Drug · Other + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
227
States / cities
Phoenix, Arizona • Anaheim, California • Bellflower, California + 172 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Jul 23, 2026, 2:43 AM EDT
Completed No phase listed Observational

Chart Review of Antivirals for Influenza in Infants

NCT00311701
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 11 Months
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
15
States / cities
Birmingham, Alabama • Pulaski, Arkansas • Orange, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 12, 2011 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Memantine for Neuroprotection and Cognitive Enhancement Following Traumatic Brain Injury

NCT02240589
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Memantine, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Jul 23, 2026, 2:43 AM EDT
Withdrawn Phase 1 Interventional

A FDG-PET Study of AGN-242071 Added to Standard-of-Care (Donepezil ± Memantine) for the Treatment of Participants With Mild to Moderate Alzheimer's Disease

NCT03316898
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
AGN-242071, Placebo, Donepezil, Memantine
Drug
Lead sponsor
Allergan
Industry
Eligibility
55 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
6
States / cities
Costa Mesa, California • Irvine, California • Lemon Grove, California + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2018 · Synced Jul 23, 2026, 2:43 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 Jul 23, 2026, 2:43 AM 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 Jul 23, 2026, 2:43 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 Jul 23, 2026, 2:43 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 Jul 23, 2026, 2:43 AM EDT
Completed Phase 2 Interventional Results available

Comparing the Efficacy, Safety, and Tolerability of Combination Antivirals (Amantadine, Ribavirin, Oseltamivir) Versus Oseltamivir for the Treatment of Influenza in Adults at Risk for Complications

NCT01227967
View directory record Official record
Conditions
Influenza
Interventions
Amantadine, Ribavirin, Oseltamivir, Oseltamivir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
69
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 58 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Jul 23, 2026, 2:43 AM EDT
Completed Phase 4 Interventional Results available

Validation of Dyskinesia Rating Scales

NCT01071395
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Amantadine, Placebo
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
30 Years to 90 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
5
States / cities
Birmingham, Alabama • Tampa, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2022 · Synced Jul 23, 2026, 2:43 AM 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 Jul 23, 2026, 2:43 AM EDT
Completed Phase 2 Interventional

Memantine Therapy in Amyotrophic Lateral Sclerosis

NCT01020331
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Memantine
Drug
Lead sponsor
Phoenix Neurological Associates, LTD
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 24, 2009 · Synced Jul 23, 2026, 2:43 AM 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 Jul 23, 2026, 2:43 AM EDT
Completed Phase 4 Interventional

Modeling Impaired Judgement in Cocaine Abusers - 6

NCT00015236
View directory record Official record
Conditions
Cocaine-Related Disorders, Substance-Related Disorders
Interventions
Amantadine
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 2:43 AM EDT