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Showing 1–24 of 3,395 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognitive Functions Clear all
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

ACTIVE: Advanced Cognitive Training for Independent and Vital Elderly

NCT00298558
View directory record Official record
Conditions
Aging, Healthy
Interventions
Cognitive Training
Behavioral
Lead sponsor
Carelon Research
Other
Eligibility
65 Years and older
Enrollment
2,832 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2010
U.S. locations
7
States / cities
Birmingham, Alabama • Indianapolis, Indiana • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2014 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Early Phase 1 Interventional Results available

Donepezil in Treating Young Patients With Primary Brain Tumors Previously Treated With Radiation Therapy to the Brain

NCT00452868
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Long-term Effects Secondary to Cancer Therapy in Children, Neurotoxicity, Psychosocial Effects of Cancer and Its Treatment, Radiation Toxicity
Interventions
Donepezil
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
8 Years to 17 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
Boston, Massachusetts • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Treadmill Walking in Individuals With Dementia With Lewy Bodies and Huntington's Disease

NCT02268617
View directory record Official record
Conditions
Huntington Disease, Lewy Body Disease
Interventions
Treadmill Walking
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 90 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 26, 2016 · Synced Sep 2, 2026, 10:29 PM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

MRI Technical Development and Applications in Kidney Disease

NCT02421497
View directory record Official record
Conditions
Chronic Kidney Diseases, Kidney Transplantation, Dialysis, Cognition Disorders
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Phase 4 Interventional Results available

Computerized Cognitive Training for Diabetic Elderly Veterans

NCT01736124
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
computerized cognitive training, control games
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years to 99 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 2, 2026, 10:29 PM EDT
Completed No phase listed Observational

Post-operative Cognitive Function Following Pelvic Floor Surgery

NCT04554550
View directory record Official record
Conditions
Pelvic Organ Prolapse
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
60 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Sep 2, 2026, 10:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Validity of the Electronic Self-Administered Gerocognitive Examination (eSAGE)

NCT02544074
View directory record Official record
Conditions
Mild Cognitive Impairment, Dementia
Interventions
neuropsychological testing, eSAGE testing
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Mindful Movement Program in Improving Quality of Life in Older Female Breast Cancer Survivors

NCT00903474
View directory record Official record
Conditions
Anxiety Disorder, Breast Cancer, Cancer Survivor, Cognitive/Functional Effects, Depression, Psychosocial Effects of Cancer and Its Treatment
Interventions
questionnaire administration, study of socioeconomic and demographic variables, CAM exercise therapy, psychosocial assessment and care, quality-of-life assessment, stress management therapy
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
50 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2015 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Phase 1 Interventional

Effects of Music Therapy on Huntington's Disease

NCT00178360
View directory record Official record
Conditions
Huntington's Disease
Interventions
Music Therapy
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 21, 2011 · Synced Sep 2, 2026, 10:29 PM EDT
Recruiting No phase listed Observational

Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY

NCT04916210
View directory record Official record
Conditions
Ischemic Stroke, Intracerebral Hemorrhage, Subarachnoid Hemorrhage, Dementia, Vascular, Mild Cognitive Impairment, Vascular Cognitive Impairment
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
31
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Cognition in Older Adults With Intermittent Hypoxia and Cognitive Training

NCT03957213
View directory record Official record
Conditions
Aging
Interventions
Acute Intermittent Hypoxia, Computerized Cognitive Training
Device · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 89 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Phase 4 Interventional Results available

Perioperative Cognitive Function - Dexmedetomidine and Cognitive Reserve

NCT00561678
View directory record Official record
Conditions
Postoperative Delirium, PD, Postoperative Cognitive Dysfunction, POCD
Interventions
Precedex (Dexmedetomidine), Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
68 Years and older
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
10
States / cities
Miami, Florida • Baltimore, Maryland • College Park, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Phase 2 Interventional Results available

Gabapentin Treatment of Cannabis Dependence

NCT00974376
View directory record Official record
Conditions
Cannabis Dependence, Cannabis Withdrawal, Cognitive Deficits
Interventions
gabapentin 1200mg/day, Placebo, Manual-guided behavioral counseling
Drug · Behavioral
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Sep 2, 2026, 10:29 PM EDT
Not listed Not applicable Interventional

Computerized Cognitive Rehabilitation in MS Patients

NCT03729713
View directory record Official record
Conditions
Multiple Sclerosis, Cognitive Impairment
Interventions
Computerized cognitive rehabilitation, Sham placebo
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Sep 2, 2026, 10:29 PM EDT
Terminated Not applicable Interventional Results available

Transcranial Infrared Laser Stimulation (TILS) of Prefrontal Cognition in Post-traumatic Stress Disorder (PTSD)

NCT03209882
View directory record Official record
Conditions
Post-traumatic Stress Disorder (PTSD)
Interventions
TILS, sham
Device
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 2, 2026, 10:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Amyloid Prediction in Early Stage Alzheimer's Disease Through Speech Phenotyping

NCT04928976
View directory record Official record
Conditions
Alzheimer Disease, Preclinical Alzheimer's Disease, Prodromal Alzheimer's Disease, Alzheimer's Disease (Incl Subtypes), Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
Novoic Limited
Industry
Eligibility
50 Years to 85 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional Results available

Exercise Training Effects on Cognition and Brain Function in Multiple Sclerosis: Project EXACT

NCT03677440
View directory record Official record
Conditions
Multiple Sclerosis, Cognitive Impairment
Interventions
Treadmill Walking Exercise Training, Stretching-and-Toning Exercise Training
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Improving Sleep and Cognition in Alzheimer's Disease

NCT05200208
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Citicoline supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 30, 2025 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Exchanges With Avocado and Mango in Pre-diabetes

NCT05353790
View directory record Official record
Conditions
Pre Diabetes, Vascular Stiffness, Vascular Dilation, Cognitive Change, Retinal Vascular
Interventions
Meals + snacks: control, Meals + snacks: Avocado mango
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Phase 2 Interventional Results available

Cognitive Remediation and Work Therapy in the Initial Phase of Substance Abuse Treatment

NCT01410110
View directory record Official record
Conditions
Substance Abuse, Substance Dependence, Cognitive Impairment
Interventions
Cognitive Training + Work Therapy, Work Therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 18, 2015 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Memory Improvement With Docosahexaenoic Acid Study (MIDAS)

NCT00278135
View directory record Official record
Conditions
Age-Related Cognitive Decline, Age-Related Memory Disorders
Interventions
DHA (nutritional supplement) or placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
55 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Vista, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Sep 2, 2026, 10:29 PM EDT
Terminated Phase 2 Interventional

Study to Evaluate the Efficacy, Safety, and Tolerability of Luvadaxistat in Participants With Cognitive Impairment Associated With Schizophrenia

NCT05182476
View directory record Official record
Conditions
Schizophrenia
Interventions
Placebo, Luvadaxistat
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 50 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
33
States / cities
Phoenix, Arizona • Bentonville, Arkansas • Bryant, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 2, 2026, 10:29 PM EDT
Completed No phase listed Observational

L-5-HTP-Related EMS

NCT00001918
View directory record Official record
Conditions
Eosinophilia-Myalgia Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 2, 2026, 10:29 PM EDT
Completed Phase 1Phase 2 Interventional

SEMA4D Blockade Safety and Brain Metabolic Activity in Alzheimer's Disease (AD)

NCT04381468
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Pepinemab, Placebo
Drug
Lead sponsor
Vaccinex Inc.
Industry
Eligibility
55 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
14
States / cities
San Diego, California • Washington D.C., District of Columbia • Delray Beach, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Sep 2, 2026, 10:29 PM EDT