Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 10, 2026, 5:39 PM EDT

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Showing 145–167 of 167 matching trials from the live ClinicalTrials.gov search.
Conditions
AIDS Dementia Complex, HIV Infections
Interventions
Memantine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2001
U.S. locations
19
States / cities
Los Angeles, California • San Francisco, California • Miami, Florida + 11 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Memantine Effects on Sensorimotor Gating and Neurocognition in Schizophrenia

NCT03860597
Conditions
Schizophrenia, Schizo Affective Disorder, Schizoaffective Disorder, Healthy
Interventions
Memantine, Placebos
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
San Diego, California
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
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
Influenza
Interventions
Oseltamivir Phosphate, ADS-8902
Drug
Lead sponsor
Adamas Pharmaceuticals, Inc.
Industry
Eligibility
1 Year to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
16
States / cities
San Francisco, California • Hollywood, Florida • Miramar, Florida + 11 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
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
Conditions
Glioma of Brain, Craniopharyngioma, Ependymoma, Germ Cell Tumor
Interventions
Memantine, Placebo, Cognitive Assessment
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
6 Years to 21 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Memphis, Tennessee
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
Conditions
Brain Tumor
Interventions
Memantine, Raloxifene
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
San Antonio, Texas
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
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
Conditions
Opioid Dependence
Interventions
Memantine, Naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
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
Conditions
Parkinson's Disease
Interventions
Amantadine 300 mg, Topiramate, Sugar Pill
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Depression
Interventions
Memantine, Placebo
Drug · Other
Lead sponsor
Eric Lenze
Other
Eligibility
60 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Brain Metastases
Interventions
Memantine -Twice Daily or Extended Release, WBRT utilizing the PRDR technique
Drug · Radiation
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
2
States / cities
Milwaukee, Wisconsin
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
PTSD
Interventions
Memantine, Placebo
Drug
Lead sponsor
Sriram Ramaswamy
Federal
Eligibility
19 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Autism Spectrum Disorder
Interventions
Memantine, Placebo
Drug
Lead sponsor
Evdokia Anagnostou
Individual
Eligibility
6 Years to 12 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Chicago, Illinois • New York, New York
Conditions
Alcohol Drinking
Interventions
Memantine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 50 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Traumatic Brain Injury
Interventions
amantadine
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Charlotte, North Carolina