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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:31 AM EDT

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Showing 97–120 of 303 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cognitive Function Decline Clear all
Completed No phase listed Observational Accepts healthy volunteers

Arterial Spin Labeling (ASL) MRI for Cognitive Decline

NCT01727622
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
FDG-PET, ASL-MRI, Lumbar Puncture
Drug · Other · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
55 Years to 89 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Oct 23, 2026, 1:31 AM EDT
Active, not recruiting Not applicable Interventional

Anticipating Decline and Providing Therapy

NCT06182995
View directory record Official record
Conditions
Cognitive Impairment, Dementia, Post ICU Syndrome, Critical Illness, Cognitive Impairment, Mild
Interventions
Usual Care post-Intensive Care Unit (ICU), Anticipating Decline and Providing Therapy (ADAPT)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

The Mental Activity and eXercise Trial for Seniors

NCT00522899
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Group 1, Group 2, Group 3, Group 4
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2012 · Synced Oct 23, 2026, 1:31 AM EDT
Active, not recruiting Not applicable Interventional

Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) Diet in Stroke Patients Patients

NCT04337255
View directory record Official record
Conditions
Cognitive Decline, Dementia, Vascular, Alzheimer Disease, Dementia, Stroke
Interventions
Behavioral Dietary intervention ( MIND Diet), Behavioral Usual Care Diet Intervention
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
55 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Health Together: Development and Pilot Test

NCT06914947
View directory record Official record
Conditions
Cognitive Impairment, Subjective Cognitive Decline, Mild Cognitive Impairment (MCI)
Interventions
Brain Health Together
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

Use of an Internet-Based Insomnia Intervention to Prevent Cognitive Decline in Adults With Mild Cognitive Impairment

NCT04382365
View directory record Official record
Conditions
Mild Cognitive Impairment, Cognitive Impairment, Insomnia
Interventions
Sleep Health Using the Internet for Older Adult Sufferers of Insomnia and Sleeplessness
Other
Lead sponsor
University of Virginia
Other
Eligibility
55 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

ToolBox Detect: Low Cost Detection of Cognitive Decline in Primary Care Settings

NCT04852601
View directory record Official record
Conditions
Cognitive Dysfunction, Dementia
Interventions
ToolboxDetect
Other
Lead sponsor
Northwestern University
Other
Eligibility
65 Years and older
Enrollment
35,403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Active, not recruiting Phase 3 Interventional

A Donanemab (LY3002813) Study in Participants With Preclinical Alzheimer's Disease (TRAILBLAZER-ALZ 3)

NCT05026866
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Donanemab, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
55 Years to 80 Years
Enrollment
2,996 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
198
States / cities
Birmingham, Alabama • Homewood, Alabama • Huntsville, Alabama + 163 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Alzheimer's Disease Treatment With Combination of 40Hz Light and Cognitive Therapy

NCT03657745
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Dementia, Cognition Disorders in Old Age, Cognitive Decline, Cognitive Deterioration
Interventions
Combination of 40Hz light and cognitive therapy (ALZLIFE)
Device
Lead sponsor
Alzheimer's Light LLC
Industry
Eligibility
50 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

A Pivotal Study of Sensory Stimulation in Alzheimer's Disease (HOPE Study)

NCT05637801
View directory record Official record
Conditions
Alzheimer Disease, Alzheimer Disease 1, Alzheimer Disease 2, Alzheimer Disease 3, Alzheimer Disease, Early Onset, Alzheimer Disease, Late Onset, Alzheimer Disease 9, Alzheimer Disease 4, Alzheimer Disease 7, Alzheimer Disease 17, Alzheimer's Dementia Late Onset, Alzheimer Disease 5, Alzheimer Disease 6, Alzheimer Disease 8, Alzheimer Disease 10, Alzheimer Disease 11, Alzheimer Disease 12, Alzheimer Disease 13, Alzheimer Disease 14, Alzheimer Disease 15, Alzheimer Disease 16, Alzheimer Disease 18, Alzheimer Disease 19, Dementia, Dementia Alzheimers, Dementia, Mild, Dementia of Alzheimer Type, Dementia Moderate, Dementia Senile, Mild Cognitive Impairment, Mild Dementia, MCI, Cognitive Impairment, Cognitive Decline, Cognitive Impairment, Mild
Interventions
Spectris™ AD - Active, Spectris™ AD - Sham
Device
Lead sponsor
Cognito Therapeutics, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
673 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
68
States / cities
Gilbert, Arizona • Phoenix, Arizona • Sun City, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Phase 3 Interventional Results available

Hormone and Information Processing Study

NCT00539305
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
testosterone gel, placebo gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
60 Years to 90 Years · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 14, 2014 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise, Age-Related Memory Decline, And Hippocampal Function

NCT01329653
View directory record Official record
Conditions
Cognitive Deterioration, Disorder of Aging
Interventions
aerobic training, Wait list
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
20 Years to 75 Years
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

Establishing Clinical Utility Evidence for a Novel Alzheimer's Disease Blood-Based Biomarker Assay

NCT07099001
View directory record Official record
Conditions
Alzheimer Disease (AD), Cognitive Decline
Interventions
Educational materials on the Alzheimer's disease assay, Alzheimer's disease assay results
Other
Lead sponsor
Qure Healthcare, LLC
Industry
Eligibility
Not listed
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

Attention Training for Learning Enhancement and Resilience Trial

NCT02416401
View directory record Official record
Conditions
Age-related Cognitive Decline
Interventions
Computerized Plasticity-Based Adaptive Cognitive Training, Commercially available computerized training
Other
Lead sponsor
Posit Science Corporation
Industry
Eligibility
65 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Iowa City, Iowa • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 9, 2018 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preventing Cognitive Decline

NCT05446909
View directory record Official record
Conditions
Cognitive Decline
Interventions
IBMT mindfulness, health education
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Large Randomized Trial of Vitamin D, Omega-3 Fatty Acids and Cognitive Decline

NCT01669915
View directory record Official record
Conditions
Cognitive Decline
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Vitamin D3 placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years to 92 Years
Enrollment
3,424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2023 · Synced Oct 23, 2026, 1:31 AM 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 18, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional Results available

Noninvasive Brain Stimulation for Mild Cognitive Impairment

NCT03331796
View directory record Official record
Conditions
Mild Cognitive Impairment, Mild Neurocognitive Disorder, Cognitive Decline, Mental Deterioration, Cognitive Dysfunction, Memory Decline, Memory Loss, Memory Impairment
Interventions
Active rTMS (Bilateral DLPFC), Active rTMS (Bilateral LPC), Placebo rTMS (Inactive)
Device
Lead sponsor
Palo Alto Veterans Institute for Research
Other
Eligibility
55 Years to 90 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 23, 2026, 1:31 AM EDT
Terminated No phase listed Observational

Ammonia Levels and Cognitive Impairment

NCT02059356
View directory record Official record
Conditions
Dementia, Cognitive Decline, Cognitive Impairment, Developmental Delay
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Oct 23, 2026, 1:31 AM 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 19, 2014 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional

The Influence of Tai Chi Practice on Blood Pressure and Brain Health Among Older Adults With Hypertension (ACTION)

NCT04384263
View directory record Official record
Conditions
Hypertension, Cognitive Decline
Interventions
Tai Chi
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
55 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 23, 2026, 1:31 AM EDT
Completed No phase listed Observational

Neurobehavioral Phenotypes in MPS III

NCT01873911
View directory record Official record
Conditions
Sanfilippo Syndrome Type A, Sanfilippo Syndrome Type B, Hurler Syndrome
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
2 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Multi-Tasking Training in Healthy Older Adults

NCT04195230
View directory record Official record
Conditions
Age-related Cognitive Decline
Interventions
Multi-tasking Training
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
60 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2022 · Synced Oct 23, 2026, 1:31 AM EDT
Completed Not applicable Interventional Results available

Effects of Walkasins on Gait Speed of Individuals With Mild Cognitive Impairments

NCT05723822
View directory record Official record
Conditions
Mild Cognitive Impairment, Cognitive Decline, Gait Disorders in Old Age
Interventions
Walkasins
Device
Lead sponsor
RxFunction Inc.
Industry
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 23, 2026, 1:31 AM EDT