Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:45 PM EDT

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Showing 1–24 of 167 matching trials from the live ClinicalTrials.gov search.
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
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
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
Conditions
Parkinson's Disease, Dyskinesias, Movement Disorders
Interventions
Buspirone, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson Disease
Interventions
GOCOVRI
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
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
Conditions
Cocaine-Related Disorders, Substance-Related Disorders
Interventions
Amantadine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1998
U.S. locations
1
States / cities
New York, New York
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
Conditions
Major Depression
Interventions
D-Cycloserine (DCS), Continuous theta-burst stimulation (cTBS), Transcranial Magnetic Stimulation Sham, Memantine, Lorazepam (drug), Baclofen, Placebo
Drug · Device
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Belmont, Massachusetts
Conditions
Parkinson's Disease
Interventions
Amantadine, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 4 Interventional Results available

Validation of Dyskinesia Rating Scales

NCT01071395
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
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 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
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
Terminated Phase 2 Interventional Results available

Memantine for Recurrent Glioblastoma

NCT01260467
Conditions
Glioblastoma
Interventions
memantine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, New York
Conditions
Lupus Erythematosus, Systemic
Interventions
Memantine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Cleveland, Ohio • Nashville, Tennessee • Houston, Texas
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
Conditions
Walking Impairment, Multiple Sclerosis
Interventions
ADS-5102, Placebo
Drug · Other
Lead sponsor
Adamas Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
15
States / cities
Phoenix, Arizona • Aurora, Colorado • Sarasota, Florida + 12 more
Conditions
Down Syndrome, Intellectual Disability, Alzheimer Dementia (AD)
Interventions
Memantine
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 32 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Down Syndrome Memantine Follow-up Study

NCT02304302
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
Conditions
Long COVID, Post-Acute COVID-19 Syndrome
Interventions
Amantadine, Physical, Occupational, Speech Therapy, Provider Counseling, Medications for symptoms management
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
20 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Depressive Disorder, Major
Interventions
memantine, Placebo Oral Capsule
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Stanford, California
Conditions
Alzheimer Disease
Interventions
memantine
Drug
Lead sponsor
Northwell Health
Other
Eligibility
50 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Manhasset, New York
Conditions
Alzheimer's Disease
Interventions
RO4602522, Placebo, Donepezil, Memantine, Rivastigmine, Galantamine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
50 Years to 90 Years
Enrollment
542 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
42
States / cities
Anaheim, California • Fullerton, California • Lomita, California + 36 more
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