Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 3:54 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 313–336 of 479 matching trials from the live ClinicalTrials.gov search.
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
Posttraumatic Stress Disorder
Interventions
prazosin hydrochloride, placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Mild Cognitive Impairment
Interventions
Grape Powder, Placebo Powder
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Dementia Alzheimer's Type
Interventions
SAR110894, placebo (for SAR110894), Donepezil
Drug
Lead sponsor
Sanofi
Industry
Eligibility
55 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
27
States / cities
Gilbert, Arizona • Phoenix, Arizona • Costa Mesa, California + 24 more
Conditions
Cognitive Performance
Interventions
fMRI with virtual reality flight simulator
Diagnostic Test
Lead sponsor
The Geneva Foundation
Other
Eligibility
18 Years to 54 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Completed No phase listed Observational Accepts healthy volunteers

Investigation of Anatomical Correlates of Speech Discrimination

NCT01781039
Conditions
Sensorineural Hearing Loss
Interventions
Hearing Aid fitting
Device
Lead sponsor
Steward St. Elizabeth's Medical Center of Boston, Inc.
Other
Eligibility
18 Years to 100 Years
Enrollment
186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Brighton, Massachusetts
Completed Not applicable Interventional Results available

Youth Mayo Clinic Anxiety Coach Pilot Study

NCT02205177
Conditions
Anxiety
Interventions
Mayo Clinic Anxiety Coach
Device
Lead sponsor
Stephen Whiteside
Other
Eligibility
7 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Cognitive Dysfunction in Hypertensive Patients Having Spine Surgery

NCT01140854
Conditions
Hypertension
Interventions
Lumbar spine surgery, Neurologic/neuropsychometric examinations
Procedure · Other
Lead sponsor
Columbia University
Other
Eligibility
60 Years to 90 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Visual Impairment
Interventions
Standard object battery and training sequence, VIS4ION System
Behavioral · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Cognitive Impairment, Mild, Executive Dysfunction
Interventions
RehaCom Computerized Cognitive Training for 480 minutes, Pencil-and-Paper Cognitive Training for 480 minutes
Other
Lead sponsor
University of the Sciences in Philadelphia
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Cannabis Use, Impaired Driving, Cognitive Impairment
Interventions
Cannabis
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Online Neuropsychological Test Validation Project With Imaging Pilot

NCT02486250
Conditions
Validation of Online Cognitive Testing
Interventions
Validation Study
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
982 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Conditions
Glioma, Brain Tumor Adult
Interventions
Functional magnetic resonance imaging (fMRI), Neuropsychological Assessments
Other · Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Theta Connectivity in Working Memory

NCT05204381
Conditions
Executive Function
Interventions
Theta-frequency near-zero phase lag stimulation, Theta-frequency anti-synchrony stimulation, Arrhythmic near-zero phase lag stimulation, Arrhythmic independent stimulation, Alpha-frequency near-zero phase lag stimulation, Alpha-frequency anti-synchrony stimulation
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Stroke
Interventions
CHAMPS
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Stimulation Study

NCT02067689
Conditions
Healthy
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional

Treatment of Social Phobia

NCT00000370
Conditions
Phobic Disorders, Social Phobia, Public Speaking Anxiety
Interventions
Cognitive behavior therapy, Performance-based exposure therapy, Psychosocial intervention
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Sleep Architecture, Mild Traumatic Brain Injury, Sleep, Sleep and Circadian Problems
Interventions
Cognitive behavioral Therapy for insomnia (CBT-I)
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Completed Not applicable Interventional Results available

CO-OPerative Training for Stroke Rehabilitation

NCT02755805
Conditions
CO-OP, Attention Control
Interventions
CO-OP, Attention Control
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Rewards Sensitivity After Brain Injury

NCT06510023
Conditions
Acquired Brain Injury
Interventions
Type of reward presented
Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Bi-Polar Disorder, Autism Spectrum Disorder (ASD), Major Depression Disorders, Separation Anxiety Disorder, Social Anxiety Disorder, Generalized Anxiety Disorder (GAD)
Interventions
Digital software application for cognitive performance and activity measurement (QbMobile, investigational device)
Device
Lead sponsor
Qbtech AB
Industry
Eligibility
6 Years to 60 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Results available

rTMS in First Episode Psychosis

NCT02131129
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder
Interventions
rTMS, Sham Comparator
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Indianapolis, Indiana
Conditions
Parkinson Disease, Cognitive Impairment
Interventions
deep brain stimulation
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Sacramento, California
Recruiting Not applicable Interventional

Managing Depressive Symptoms in ADPKD

NCT07745920
Conditions
Autosomal Dominant Polycystic Kidney Disease
Interventions
Mayo Clinic-Approved Education, Digital Neuropathy, Capacity Coaching
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota