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ClinicalTrials.gov public records Last synced Nov 3, 2026, 9:36 PM EST

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Showing 1609–1632 of 1,885 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Impaired Cognition Clear all
Completed Early Phase 1 Interventional Results available

Caffeine and Neurologic Recovery Following Surgery and General Anesthesia

NCT03577730
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Caffeine Citrate, Dextrose Water
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Nov 3, 2026, 9:36 PM EST
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Sex-specific Risk Factors and Trajectories of Blood Biomarkers for Alzheimer's Disease and Related Dementias

NCT07224139
View directory record Official record
Conditions
Alzheimer Disease, Dementia, Cognitive Dysfunction
Interventions
Not listed
Lead sponsor
Anne Murray
Other
Eligibility
65 Years and older
Enrollment
13,435 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
4
States / cities
Decatur, Georgia • Minneapolis, Minnesota • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional

Early Detection and Prevention of Mild Cognitive Impairment Due to Cerebrovascular Disease

NCT01924312
View directory record Official record
Conditions
Cerebrovascular Disease, Mild Cognitive Impairment
Interventions
Heart Health Intervention
Behavioral
Lead sponsor
Gregory Jicha, 323-5550
Other
Eligibility
55 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional

Telehealth and Memory Study

NCT04586530
View directory record Official record
Conditions
Chemotherapy-related Cognitive Dysfunction
Interventions
Memory and Attention Adaptation Training (MAAT), Supportive Therapy (ST)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Indianapolis, Indiana • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed Phase 4 Interventional Results available

Preventing Post-Operative Delirium in Patients Undergoing a Pneumonectomy, Esophagectomy or Thoracotomy

NCT02213900
View directory record Official record
Conditions
Delirium, Cognitive Impairment, Post-traumatic Stress Disorder, Depression, Anxiety
Interventions
Haloperidol, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Nov 3, 2026, 9:36 PM EST
Terminated Phase 4 Interventional

Dexamethasone and Postoperative Delirium

NCT02109081
View directory record Official record
Conditions
Delirium, Postoperative Cognitive Dysfunction
Interventions
Dexamethasone, Placebo
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
70 Years to 100 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of a Multimodal Brain Health Intervention for Older African Americans

NCT04863378
View directory record Official record
Conditions
Cognitive Impairment, Mild, Cognitive Decline
Interventions
Walking conversational reminiscence
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
65 Years to 110 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Nov 3, 2026, 9:36 PM EST
Active, not recruiting Not applicable Interventional

Complementary Behavioral Interventions To Remediate Cognitive Impairment or Emotional Distress in Cancer Survivors

NCT06989463
View directory record Official record
Conditions
Survivors of Childhood Cancer
Interventions
12 Week Exercise Intervention, Cognitive Training Intervention, Mindfulness practice intervention
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Alzheimer's Disease Neuroimaging Initiative 3

NCT02854033
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Alzheimer's Disease (AD)
Interventions
Not listed
Lead sponsor
University of Southern California
Other
Eligibility
55 Years to 90 Years
Enrollment
1,141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
54
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional

Treating New Learning and Memory Deficits in Progressive Multiple Sclerosis (MS)

NCT02301247
View directory record Official record
Conditions
Multiple Sclerosis, Progressive, Cognition - Other, Memory Impairment
Interventions
Memory retraining exercises, Placebo control memory exercises
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
30 Years to 59 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Nov 3, 2026, 9:36 PM EST
Recruiting Phase 1Phase 2 Interventional

Living Independence Through Functional Training

NCT07125378
View directory record Official record
Conditions
Mobility Limitation, Cognitive Impairment
Interventions
Task-oriented resistance exercise
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Center for Research and Education on Aging and Technology Enhancement - CREATE V - Project 1

NCT05811338
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Project 1 - Phase 2: VR Program for Social, Activity, and Cognitive Engagement, Project 1 - Phase 2: Tablet for Social, Activity, and Cognitive Engagement
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
60 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
3
States / cities
Tallahassee, Florida • Champaign, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional Results available

Cognitive Rehabilitation of Operations Iraqi Freedom and Enduring Freedom (OIF/OEF) Veterans With Cognitive Disorder

NCT01040858
View directory record Official record
Conditions
Cognition Disorders
Interventions
Cognitive Strategy Training, Placebo comparison group
Behavioral · Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
San Diego, California • Boise, Idaho • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2015 · Synced Nov 3, 2026, 9:36 PM EST
Recruiting Phase 2 Interventional Accepts healthy volunteers

Trial of CORT108297 to Attenuate the Effects of Acute Stress in the Allocortex (CORT-X)

NCT04601038
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease, Memory Impairment
Interventions
CORT108297, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
55 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Recruiting No phase listed Observational Accepts healthy volunteers

Tennessee Alzheimer's Project

NCT05372172
View directory record Official record
Conditions
Aging, Alzheimer Disease, Biomarker, Cognitive Dysfunction, Mild Cognitive Impairment, Dementia, Cognition
Interventions
none, observational study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Trial of a Mediterranean Diet Pattern to Prevent Cognitive Decline

NCT02921672
View directory record Official record
Conditions
Alzheimer's Disease, Cognitive Impairment
Interventions
Mediterranean Diet
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Nov 3, 2026, 9:36 PM EST
Terminated Not applicable Interventional

Estrogen Replacement to Reduce Risk of Neurologic Injury After Coronary Artery Bypass Graft Surgery

NCT00123539
View directory record Official record
Conditions
Coronary Disease, Cardiovascular Diseases, Heart Diseases, Neurologic Manifestations
Interventions
Estrogen Replacement Therapy, Surgery
Drug · Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
55 Years and older · Female only
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 29, 2016 · Synced Nov 3, 2026, 9:36 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Personal Lifestyle Engine (PLX) - Personal Lifestyle Medicine Center (PLMC)

NCT04007939
View directory record Official record
Conditions
Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
Interventions
Not listed
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Oct 30, 2023 · Synced Nov 3, 2026, 9:36 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Designing a Spatial Navigation Intervention Protocol Informed by Region-specific Brain Activation for Mild Cognitive Impairment

NCT07225400
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI)
Interventions
Spatial Navigation training
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Manhattan, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed Phase 3 Interventional

Study of EVP-6124 (Alpha-7 nAChR) as an Adjunctive Pro-Cognitive Treatment in Schizophrenia Subjects on Chronic Stable Atypical Antipsychotic Therapy

NCT01714661
View directory record Official record
Conditions
Schizophrenia, Impaired Cognition
Interventions
EVP-6124, Placebo
Drug
Lead sponsor
FORUM Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
753 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
38
States / cities
Tucson, Arizona • Anaheim, California • Bellflower, California + 35 more
Source: ClinicalTrials.gov public record
Updated May 3, 2016 · Synced Nov 3, 2026, 9:36 PM EST
Not yet recruiting No phase listed Observational

Navigating the Clinical Research Process for Mild Cognitive Impairment

NCT06207903
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
Power Life Sciences Inc.
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Nov 3, 2026, 9:36 PM EST
Recruiting No phase listed Observational

Passive Sensor Identification of Digital Biomarkers to Assess Effects of Orally Administered Nicotinamide Riboside

NCT05245903
View directory record Official record
Conditions
Alzheimer Disease, Dementia Alzheimers, Dementia, Cognitive Impairment, Mild Cognitive Impairment, Neurodegenerative Diseases, Neurocognitive Disorders, Neurocognitive Dysfunction, Cognitive Dysfunction, Mental Disorder
Interventions
Emerald Device Monitoring
Device
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Nov 3, 2026, 9:36 PM EST
Recruiting Not applicable Interventional

Transcranial Direct Current Stimulation and Rehabilitation to Ameliorate Impairments in Neurocognition After Stroke

NCT04897334
View directory record Official record
Conditions
Ischemic Stroke, Cognitive Impairment
Interventions
tDCS, sham tDCS, Cognitive Therapy
Device · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Nov 3, 2026, 9:36 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Treatment Response of Geriatric Depression

NCT00754936
View directory record Official record
Conditions
Depression
Interventions
Escitalopram
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
60 Years to 90 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
White Plains, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Nov 3, 2026, 9:36 PM EST