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ClinicalTrials.gov public records Last synced May 21, 2026, 8:11 PM EDT

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

Showing 1–24 of 122 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognitive Ability Clear all
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Physical Inactivity, Aging, Cognitive Ability, Behavior Change
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
40 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 8:11 PM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Memory Deficit
Interventions
Memory Drilling, Compensatory Strategies, Cognitive Processing Therapy
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced May 21, 2026, 8:11 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Stress Response, Mental Stress, Multitasking Behavior and Multitasking Ability, Physiological Stress, Cognitive Symptoms, Motor Activity
Interventions
Cranberry juice, Placebo juice
Other
Lead sponsor
University of Florida
Other
Eligibility
30 Years to 55 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Duloxetine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2013 · Synced May 21, 2026, 8:11 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Breast Cancer Survivors, Cognitive Dysfunction
Interventions
Exercise, Control
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years and older · Female only
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced May 21, 2026, 8:11 PM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder, Autistic Disorder, Autism, Akinetic, Autism; Atypical, Autism; Psychopathy, Autism Fragile Syndrome X, Autism With High Cognitive Abilities, Autism-Related Speech Delay, Autism, Susceptibility to, 6, Autism Spectrum Disorder High-Functioning, Autistic Thinking, Autism, Susceptibility to, X-Linked 6, Autistic Behavior
Interventions
No Intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
6 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced May 21, 2026, 8:11 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Stroke
Interventions
ASCEND
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 89 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced May 21, 2026, 8:11 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Cognitive Impairment, Hematologic Neoplasms, Hematopoietic Cell Transplant
Interventions
Lumosity, Lumosity (waitlist control)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 21, 2026, 8:11 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Cognitive/Functional Effects, Depression, Fatigue, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
modafinil, cognitive assessment, psychosocial assessment and care, quality-of-life assessment
Drug · Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2009 · Synced May 21, 2026, 8:11 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Major Depression, Bipolar Depression, Schizoaffective Disorder
Interventions
Razadyne, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2012 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability, General, Dietary Modification
Interventions
SLOW Carbohydrate, MEDIUM Carbohydrate, FAST Carbohydrate
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
9 Years to 10 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Depression NOS, Major Depressive Disorder, Anxiety NOS
Interventions
Kirtan Kriya meditation, Relaxation
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2016 · Synced May 21, 2026, 8:11 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Impairments, RRSO
Interventions
lisdexamfetamine, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
30 Years to 60 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Dementia in Nursing Home
Interventions
Cognitive Stimulation Therapy
Other
Lead sponsor
Northern Kentucky University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lawrenceburg, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced May 21, 2026, 8:11 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Mixed salts of a single-entity amphetamine, Atomoxetine hydrochloride
Drug
Lead sponsor
Shire
Industry
Eligibility
19 Years to 25 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced May 21, 2026, 8:11 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Decline
Interventions
Adult Broad Learning Experiment (ABLE)
Behavioral
Lead sponsor
University of California, Riverside
Other
Eligibility
55 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Feb 18, 2018 · Synced May 21, 2026, 8:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
HIV/AIDS
Interventions
Not listed
Lead sponsor
VA Eastern Colorado Health Care System
Federal
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced May 21, 2026, 8:11 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Abilities, Performance, Stress, Cognitive Performance
Interventions
EEG-guided binaural beat audio, Non-binaural audio intervention
Other
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Brain Fog
Interventions
Active Transcranial Direct Stimulation
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Cognitive stressor
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Anxiety, Depression, Cognitive Functioning, Wellness
Interventions
WILD 5 Wellness Intervention
Behavioral
Lead sponsor
Beloit College
Other
Eligibility
17 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Beloit, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced May 21, 2026, 8:11 PM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Opioid Use Disorder, Cognitive Ability General
Interventions
Smartphone based cognitive tasks
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 20, 2022 · Synced May 21, 2026, 8:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability, General
Interventions
Cognitive Training - 48 sessions, Fitness, Active Control, active tDCS, sham tDCS, Cognitive Training - 20 sessions
Behavioral · Device
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 44 Years
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced May 21, 2026, 8:11 PM EDT