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ClinicalTrials.gov public records Last synced May 21, 2026, 7:39 PM EDT

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

Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognitive Ability, General Clear all
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, 7:39 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, 7:39 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, 7:39 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, 7:39 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, 7:39 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, 7:39 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, 7:39 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, 7:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Mobility Limitation, Motor Activity, Difficulty Walking, Cognitive Ability General
Interventions
Cognitive Remediation, Active Control
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
70 Years and older
Enrollment
383 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced May 21, 2026, 7:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability, General, Achievement
Interventions
Physical Activity
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
8 Years to 9 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
4
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced May 21, 2026, 7:39 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability General, Functional Abilities
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
75 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 21, 2026, 7:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability, General
Interventions
Cybercycling, Traditional exercise
Behavioral
Lead sponsor
Union College, New York
Other
Eligibility
50 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
8
States / cities
Colonie, New York • Malta, New York • Niskayuna, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced May 21, 2026, 7:39 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Dietary Intervention, Dietary Proteins, Dietary Assessment, Older Adults (65 Years and Older), Cognitive Ability, General
Interventions
Ready-to-eat lean pork in frozen, 5-oz packages
Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
65 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced May 21, 2026, 7:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Ability, General
Interventions
strengthening exercise program
Behavioral
Lead sponsor
Union College, New York
Other
Eligibility
50 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Schenectady, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced May 21, 2026, 7:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Dietary Intervention, Dietary Proteins, Dietary Assessment, Cognitive Ability, General
Interventions
Ready-to-eat beef in frozen, 5-oz packages, Ready-to-eat beef in frozen, 1-oz packages
Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 24 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced May 21, 2026, 7:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Aging, Cognitive Ability, General
Interventions
Aerobic Exercise, Stretching and toning
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
60 Years to 75 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
2
States / cities
Champaign, Illinois • Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 7, 2016 · Synced May 21, 2026, 7:39 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease, Freezing of Gait, Cognitive Ability, General
Interventions
Droxidopa, sugar pill
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
30 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • West Bloomfield, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced May 21, 2026, 7:39 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Multiple Sclerosis, Cognitive Ability, General
Interventions
Ginkgo biloba, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 5, 2014 · Synced May 21, 2026, 7:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 15 Years
Enrollment
869 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced May 21, 2026, 7:39 PM EDT