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ClinicalTrials.gov public records Last synced May 21, 2026, 11:00 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 61 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognitive Abilities 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, 11:00 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, 11:00 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, 11:00 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Withdrawn No phase listed Observational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, 11:00 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, 11:00 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, 11:00 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, 11:00 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, 11:00 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, 11:00 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, 11:00 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, 11:00 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 26, 2023 · Synced May 21, 2026, 11:00 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Motivation
Interventions
Direct tDCS, Indirect tDCS, Personalized tDCS, Sham tDCS
Device
Lead sponsor
Northeastern University
Other
Eligibility
65 Years to 80 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced May 21, 2026, 11:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
HIV-1-infection, Aging, Premature, Cognitive Impairment, Memory Impairment, HIV-Associated Cognitive Motor Complex
Interventions
Scopolamine Injectable Product, Mecamylamine Pill
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
35 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 24, 2019 · Synced May 21, 2026, 11:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Gait Disorder
Interventions
Balance rehabilitation + dual-tasking, Standard balance rehabilitation, Cognitive training (speed of processing), Cognitive training (general cognition)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Decatur, Georgia • Mountain Home, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 18, 2017 · Synced May 21, 2026, 11:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability, General, Immune System Function, Emotions
Interventions
Probiotics, placebo
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
12 Years to 20 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 21, 2026, 11:00 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Breast Cancer, Cognitive Ability, General, Fatigue, Pain, Psychosocial Deprivation, Radiation Toxicity, Skin Abnormalities
Interventions
DNA analysis, gene expression analysis, enzyme-linked immunosorbent assay, flow cytometry, laboratory biomarker analysis, questionnaire administration, adjuvant therapy, assessment of therapy complications, quality-of-life assessment, 3-dimensional conformal radiation therapy, breast irradiation, external beam radiation therapy, hypofractionated radiation therapy, intensity-modulated radiation therapy, whole breast irradiation
Genetic · Other · Procedure + 1 more
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced May 21, 2026, 11:00 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Fibromyalgia
Interventions
Esreboxetine
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
7
States / cities
Destin, Florida • Fort Walton Beach, Florida • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2018 · Synced May 21, 2026, 11:00 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Impairment
Interventions
metaxalone m640, tizanidine
Drug
Lead sponsor
Primus Pharmaceuticals
Industry
Eligibility
20 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Peoria, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced May 21, 2026, 11:00 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Self-Neglect, Cognitive Ability, General, Geriatric Disorder
Interventions
Comprehensive Geriatric Assessment and APS Usual Care, APS usual care
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced May 21, 2026, 11:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Aging, Cognitive Ability, General
Interventions
Moderate-aerobic walking, Positron Emission Tomography (PET) scan, Healthy living education, Physical activity monitor
Behavioral · Radiation · Device
Lead sponsor
University of Southern California
Other
Eligibility
55 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced May 21, 2026, 11:00 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Driving Performance, Cognitive Impairment, Sedation Complication, Mood
Interventions
300 mg Cannabidiol (CBD) oil, Placebo
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced May 21, 2026, 11:00 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
COVID Long-Haul, COVID-19, COVID-19 Pandemic, Brain Fog, Memory Deficits, Concentration Ability Impaired, Fatigue
Interventions
cross-sectional MRI and EEG assessments (NO INTERVENTION)
Other
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced May 21, 2026, 11:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Deficits, Cognitive Ability, General
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Davis, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced May 21, 2026, 11:00 PM EDT