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Showing 1–24 of 3,076 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognition Clear all
Completed Phase 2 Interventional Results available

A Phase 2, to Evaluating the Safety and Efficacy of Pridopidine Vs Placebo for Symptomatic Treatment in Patients With Huntington's Disease

NCT02006472
View directory record Official record
Conditions
Huntington's Disease
Interventions
Pridopidine, Placebo
Drug · Other
Lead sponsor
Prilenia
Industry
Eligibility
21 Years and older
Enrollment
408 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
16
States / cities
La Jolla, California • Los Angeles, California • Englewood, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced Sep 4, 2026, 2:36 PM EDT
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure

NCT06735599
View directory record Official record
Conditions
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female, Adult, Cognition, Endothelial Function (Reactive Hyperemia), Oxidative Stress, Diet, Overweight, Body Composition Measurement, Gut Microbiome, Arterial Stiffness, Caucasian Whites, Inflammation, Microvascular Function
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Completed No phase listed Observational

Systems Biology Approach to Cognitive Impairment After SepsiS

NCT03015584
View directory record Official record
Conditions
Sepsis, Cognitive Impairment
Interventions
Not listed
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Sep 4, 2026, 2:36 PM EDT
Completed No phase listed Observational

Post Traumatic Stress Disorder (PTSD), Sleep Disordered Breathing And Genetics: Effects On Cognition

NCT01120847
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
55 Years to 90 Years
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional Results available

Lidocaine For Neuroprotection During Cardiac Surgery

NCT00938964
View directory record Official record
Conditions
Cognitive Decline
Interventions
Lidocaine, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
2
States / cities
Durham, North Carolina • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Sep 4, 2026, 2:36 PM EDT
Terminated Phase 3 Interventional Results available

Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (Aricept) In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome, Aged 11 To 17

NCT00754052
View directory record Official record
Conditions
Down Syndrome, Cognitive Dysfunction
Interventions
Aricept (donepezil hydrochloride), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
11 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
San Antonio, Texas • Herndon, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Sep 4, 2026, 2:36 PM EDT
Recruiting Not applicable Interventional

Personalized Cognitive Integrated Motor Training Using Virtual Reality to Improve Gait and Balance

NCT06473987
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Personalized cognitive-sensorimotor VR/AR training, Traditional dual-task training, Standard of Care
Other
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Vision, and Cognition in Sport Study: Beef

NCT04427852
View directory record Official record
Conditions
Cognitive Change, Nutrient Deficiency, Nutritional Anemia, Visual Spatial Processing, Diet, Healthy, Diet; Deficiency, Dietary Deficiency, Dietary B12 Deficiency, Dietary Zinc Deficiency, Dietary Vitamin B12 Deficiency Anemia, Dietary Deficiency of Selenium and Vitamin E
Interventions
30 day Daily consumption of 1 serving of beef, 30 day Daily consumption of 1 serving of the vegatable protein source
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 4, 2026, 2:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

HDClarity: a Multi-site Cerebrospinal Fluid Collection Initiative to Facilitate Therapeutic Development for Huntington's Disease

NCT02855476
View directory record Official record
Conditions
Huntington's Disease
Interventions
Not listed
Lead sponsor
University College, London
Other
Eligibility
11 Years to 75 Years
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2017
U.S. locations
6
States / cities
Englewood, Colorado • Washington D.C., District of Columbia • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Recruiting Phase 2 Interventional

Pathways Relating Amnestic MCI to a Mild Traumatic Brain Injury History

NCT05446584
View directory record Official record
Conditions
Mild Cognitive Impairment, Amnestic Mild Cognitive Disorder, Amnestic Mild Cognitive Impairment, Mild Traumatic Brain Injury, Concussion, Brain
Interventions
High Definition Transcranial Direct Current Stimulation
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reliability and Equivalence of Alternate Forms of the Digital Clock Drawing Test

NCT04496752
View directory record Official record
Conditions
Cognitive Function
Interventions
DCTclock
Device
Lead sponsor
Linus Health, Inc.
Industry
Eligibility
55 Years to 95 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Maitland, Florida • Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 4, 2026, 2:36 PM EDT
Withdrawn Not applicable Interventional

Investigating HD-tDCS in Improving Word Finding and Memory Retrieval in Individuals With MCI

NCT03446508
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Active frontal, Active parietal, Sham
Device
Lead sponsor
The University of Texas at Dallas
Other
Eligibility
40 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Richardson, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional Results available

Decision Making and Implementation of Aging-in-Place/Long Term Care Plans Among Older Adults

NCT03960476
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Long-Term Care Planning
Interventions
PlanYourLifespan.org
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
55 Years and older
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Statin Medications on Mental Processes, Behavior, and Serotonin Levels

NCT00330980
View directory record Official record
Conditions
Dyslipidemias
Interventions
40 mg Pravastatin (Pravachol), 20 mg Simvastatin, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
20 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2014 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional

GYNecologic Cancer-Related COGnitive Impairment

NCT06662435
View directory record Official record
Conditions
Ovarian Cancer, Endometrial Cancer, Cervical Cancers, Vulvar Cancers, Uterine Cancer, Cervix Cancer, Ovary Cancer
Interventions
GYNCOG
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Senolytic Therapy to Modulate Progression of Alzheimer's Disease

NCT04063124
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Dasatinib + Quercetin
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
65 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced Sep 4, 2026, 2:36 PM EDT
Active, not recruiting Not applicable Interventional

Everyday Memory Impairment in PD-related Cognitive Decline

NCT04474379
View directory record Official record
Conditions
Parkinson Disease, Mild Cognitive Impairment
Interventions
Strategy Training (Time- and Event- Based)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional

Computer Cognitive Training for Post-acute COVID-19 Syndrome

NCT05338749
View directory record Official record
Conditions
Corona Virus Infection, Cognitive Dysfunction
Interventions
Cognitive Training
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Sep 4, 2026, 2:36 PM EDT
Recruiting Not applicable Interventional

Effect of Physiologic Insulin Administration on Insulin Sensitivity and Cognition

NCT07265323
View directory record Official record
Conditions
Alzheimer s Disease, Alzheimer Blood Biomarkers, Insulin Sensitivity
Interventions
Physiological Insulin Intervention
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 4, 2026, 2:36 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeted Assessment of Cognition and Tactical-performance With Ingested Ketones

NCT07771790
View directory record Official record
Conditions
Cognition
Interventions
KetoneIQ®, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Not applicable Interventional

Cognitive Remediation in 22q11DS

NCT01781923
View directory record Official record
Conditions
22q11.2 Deletion Syndrome, Velo-Cardio-Facial Syndrome
Interventions
Cognitive remediation program, Small group social skills training
Behavioral
Lead sponsor
Duke University
Other
Eligibility
11 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2015 · Synced Sep 4, 2026, 2:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Galantamine Effects on Cognitive Function in Marijuana Users

NCT00969696
View directory record Official record
Conditions
Memory
Interventions
Placebo, Galantamine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 24, 2012 · Synced Sep 4, 2026, 2:36 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Can (Optical Coherence Tomography) Pictures of the Retina Detect Alzheimer's Disease at Its Earliest Stages?

NCT06023446
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
Optical Coherence Tomography
Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 4, 2026, 2:36 PM EDT
Completed No phase listed Observational Results available

Cognition and Psychotherapy in PTSD

NCT03641924
View directory record Official record
Conditions
Posttraumatic Stress Disorder (PTSD)
Interventions
Cognitive Processing Therapy
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 4, 2026, 2:36 PM EDT