Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 4, 2026, 12:37 AM EDT

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Showing 1–24 of 170 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cognitive Impairments, Schizotypal Personality Disorder
Interventions
DAR-0100A, Placebo
Drug
Lead sponsor
Larry J. Siever
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Conditions
Basic Science: Visual Attention in Healthy Participants, Basic Science: Neural Representations of Location
Interventions
Stimulus properties: remembered feature
Other
Lead sponsor
University of California, Santa Barbara
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Santa Barbara, California
Conditions
Traumatic Brain Injury (TBI) Patients
Interventions
Transcutaneous vagus nerve stimulation for attention in veterans with TBI, Soterix Medical Vagus Nerve Stimulation mini-CT
Other · Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
25 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Schizophrenia, Psychosis
Interventions
Active Trans-cranial direct-current stimulation, Sham Trans-cranial direct current stimulation
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Behavior, Health
Interventions
Computer-based Intervention
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
12 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Detroit, Michigan • Flint, Michigan
Conditions
Math Learning Disability
Interventions
Coordinated Treatment, Math Treatment
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
6 Years to 8 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Completed No phase listed Observational Accepts healthy volunteers

Effect of Direct Current Polarization on Brain Function

NCT00088569
Conditions
Healthy
Interventions
0-15 Water
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
THC
Interventions
THC, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
West Haven, Connecticut
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
Attention-Deficit/Hyperactivity Disorder (Combined-subtype)
Interventions
Working memory training, Functional magnetic resonance imaging (fMRI)
Behavioral · Device
Lead sponsor
Hartford Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Brain Concussion, Brain Trauma, Attention Concentration Difficulty, Brain Injuries, Brain Injuries, Traumatic, Neurocognitive Dysfunction, Attention Impaired, Memory Impairment, Mild Traumatic Brain Injury, Mild Cognitive Impairment
Interventions
active tDCS and cognitive training intervention, sham tDCS and cognitive training intervention
Combination Product
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Diego, California
Completed Not applicable Interventional

Cogmed for Working Memory After TBI

NCT02305212
Conditions
Traumatic Brain Injury
Interventions
Cogmed
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
9 Years to 59 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Mountainside, New Jersey • West Orange, New Jersey
Conditions
Mild Cognitive Impairment
Interventions
Progressive aerobic exercise, Adaptive cognitive training, Combined
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
50 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Healthy Volunteers
Interventions
Transcranial Magnetic Stimulation Sham, Transcranial Magnetic Stimulation
Drug · Device
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

Modulation of Brain Oscillations Underlying Working Memory

NCT05923606
Conditions
Working Memory
Interventions
Active tACS, Placebo tACS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charlestown, Massachusetts
Active, not recruiting Not applicable Interventional

Psychosis TMS Study

NCT05857137
Conditions
Psychosis
Interventions
Active TMS, Placebo TMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Charlestown, Massachusetts
Completed Not applicable Interventional Results available

Improving Memory Performance by Applying Cognitive Training

NCT02216591
Conditions
HIV
Interventions
Active Cognitive Training (ACT), Control (CON)
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Completed Early Phase 1 Interventional Accepts healthy volunteers

Working Memory Training for People Aging With HIV

NCT06699927
Conditions
Cognitive Change
Interventions
Span
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
50 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Memory, Short-Term
Interventions
Value-manipulation
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Stroke, Cognitive Deficit, Cognitive Impairment, Short-Term Memory Impairment
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Stony Brook, New York
Completed Not applicable Interventional Accepts healthy volunteers

The Memory and Cognitive Performance Study

NCT04025255
Conditions
Cognitive Function, Memory, Brain Health
Interventions
Braini, Placebo
Dietary Supplement
Lead sponsor
Vita Naturel, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Asheville, North Carolina
Conditions
Post-Traumatic Stress Disorders, Stress Disorders, Traumatic, Post Traumatic Stress Disorder, PTSD, Trauma and Stressor Related Disorders
Interventions
Working Memory Training, Sham Training
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
San Diego, California
Conditions
Healthy
Interventions
Placebo, Cognitive Support System
Other
Lead sponsor
dōTERRA International
Industry
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Pleasant Grove, Utah
Conditions
Mild Cognitive Impairment (MCI)
Interventions
CogMed
Other
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
50 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona