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ClinicalTrials.gov public records Last synced Oct 26, 2026, 2:18 PM EDT

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Showing 241–264 of 346 matching trials from the live ClinicalTrials.gov search.
Conditions
Cognitive Decline, Cognitive Change, Cognitive Impairment, Postoperative Delirium, Anesthesia; Reaction, Anesthesia; Adverse Effect
Interventions
Neurocognition Interventions
Combination Product
Lead sponsor
Stanford University
Other
Eligibility
65 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Stanford, California
Recruiting Not applicable Interventional

Neurologic Stem Cell Treatment Study

NCT02795052
Conditions
Neurologic Disorders, Nervous System Diseases, Neurodegenerative Diseases, Neurological Disorders, Stroke, Traumatic Brain Injury, Cadasil, Chronic Traumatic Encephalopathy, Cerebral Infarction, Cerebral Ischemia, Cerebral Stroke, Cerebral Hemorrhage, Parkinson, Multi-System Degeneration, MSA - Multiple System Atrophy, Progressive Supranuclear Palsy, ALS, Amyotrophic Lateral Sclerosis, Neuropathy, Diabetic Neuropathies, Alzheimer Disease, Dementia, Frontotemporal Dementia, Lewy Body Disease, Cognitive Impairment, Lewy Body Variant of Alzheimer Disease
Interventions
Intravenous and Intranasal BMSC
Procedure
Lead sponsor
MD Stem Cells
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
2
States / cities
Westport, Connecticut • Coral Springs, Florida
Conditions
Cognitive Decline, Age-Related Memory Disorders, Postoperative Complications, Age-Related Atrophy, Postoperative Cognitive Dysfunction
Interventions
Exercise Intervention
Other
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Recruiting Not applicable Interventional Accepts healthy volunteers

Cardiac-Control Affecting Learning Through Mindfulness (CALM)

NCT06410157
Conditions
Age-related Cognitive Decline, Alzheimer Disease
Interventions
Daily practice
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
50 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of the Wits Workout Wellness Program for Older Adults

NCT04928885
Conditions
Cognitive Decline, Social Isolation, Health Behaviors, Self Efficacy
Interventions
Wits Workout Program, Control Group that receives intervention after the study
Behavioral · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older
Enrollment
285 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers Results available

Treatment With Namenda in Women at Risk for Cognitive Decline

NCT00242632
Conditions
Dementia
Interventions
Namenda
Drug
Lead sponsor
Stanford University
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Stanford, California
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study

NCT03617302
Conditions
Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
Interventions
Experimental: Nitrate-containing, Placebo: Nitrate-depleted
Drug
Lead sponsor
Gary L. Pierce, PhD
Other
Eligibility
50 Years to 79 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Alzheimer's Plasma Extension

NCT06416072
Conditions
Preclinical Alzheimer's Disease, Alzheimer's Disease (AD)
Interventions
NAV4694
Radiation
Lead sponsor
University of Southern California
Other
Eligibility
55 Years to 80 Years
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
56
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 48 more
Not listed Not applicable Interventional Accepts healthy volunteers

Adult Broad Learning Experiment (ABLE): Feasibility Study

NCT03438136
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
Conditions
Subjective Cognitive Decline (SCD), Healthy Subjects
Interventions
Experimental -- 16.67 Hz Visual Occlusion, Control - 1Hz Visual Occlusion
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Cognition Disorders
Interventions
Cardiopulmonary bypass machine
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
4
States / cities
Atlanta, Georgia • Durham, North Carolina • Philadelphia, Pennsylvania + 1 more
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Transcranial Magnetic Stimulation Treatment for Alzheimer's Disease

NCT06538311
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Logopenic Progressive Aphasia, Amnestic Symptoms
Interventions
Active rTMS, Sham rTMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Brain Health Champion Study

NCT03772977
Conditions
Mild Cognitive Impairment, Dementia, Mild, Subjective Cognitive Decline, At Risk for Cognitive Decline
Interventions
Brain Health Champion
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years to 79 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Alzheimer Disease
Interventions
Self-Guided Lifestyle Intervention, Structured Lifestyle Intervention
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years to 79 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
6
States / cities
Sacramento, California • Chicago, Illinois • Downers Grove, Illinois + 3 more
Terminated Not applicable Interventional Results available

Remote Preconditioning Over Time To Empower Cerebral Tissue

NCT02169739
Conditions
Ischemic Stroke, Cerebral Small Vessel Disease, Cognitive Decline
Interventions
Ischemic Preconditioning
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Mild Cognitive Impairment (MCI), Alzheimer's Dementia (AD), Subjective Cognitive Decline (SCD), Cognitive Aging
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Mild Cognitive Impairment, Dementia
Interventions
bosutinib
Drug
Lead sponsor
Neurological Associates of West Los Angeles
Other
Eligibility
45 Years to 89 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Fatigue, Musculoskeletal Pain, Cognitive Decline
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Mild Cognitive Impairment, Cognitive Decline, Cognitive Deterioration, Cognitive Deficits, Mild, Cognitive Impairment, Mild
Interventions
Brain Health Academy, Brain Health Together, Maintain Brain Health Together
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
55 Years to 85 Years
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Improving Working Memory in Older Adults

NCT04362696
Conditions
Memory Disorders in Old Age
Interventions
High definition transcranial electrical current stimulation
Device
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years to 80 Years
Enrollment
964 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1 Interventional Accepts healthy volunteers

18F-AV-1451 PET Imaging in Participants Enrolled in the LEARN Study

NCT02850146
Conditions
Cognition Disorders
Interventions
18F-AV-1451
Drug
Lead sponsor
University of Southern California
Other
Eligibility
65 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
7
States / cities
Phoenix, Arizona • New Haven, Connecticut • The Villages, Florida + 4 more
Conditions
Midlife Obese Adults With Cognitive Decline
Interventions
Prolonged nightly fasting, Health Education Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 59 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Withdrawn Not applicable Interventional Accepts healthy volunteers

Neuromodulation Effects in Older Adults

NCT06665022
Conditions
Cognitive Impairment, Cognitive Decline
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
University of Florida
Other
Eligibility
60 Years to 95 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Aging, Mild Cognitive Impairment, Dementia, Old Age; Dementia, Cognitive Decline
Interventions
My Healthy Brain Version 2
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts