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ClinicalTrials.gov public records Last synced Oct 22, 2026, 7:22 AM EDT

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Showing 265–288 of 1,883 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Impaired Cognition Clear all
Completed No phase listed Observational Results available

Epidemiology of Depression, Anxiety, and Cognitive Impairment

NCT00717041
View directory record Official record
Conditions
Depression, Anxiety, Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
1,206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2015 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of a Supplement on Cognitive Performance

NCT07742605
View directory record Official record
Conditions
Cognitive Impairment, Brain Fog, Memory Difficulties, Difficulty Concentrating, Mental Clarity, Cognitive Performance
Interventions
Xula Herbs Mind Food Supplement
Dietary Supplement
Lead sponsor
Xula Wellness LLC
Industry
Eligibility
25 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Completed No phase listed Observational

Self-management and Cognitive Function in Adults With Heart Failure

NCT01461629
View directory record Official record
Conditions
Cognitive Impairment, Cardiac Disease, Heart Failure
Interventions
Not listed
Lead sponsor
Kent State University
Other
Eligibility
55 Years to 85 Years
Enrollment
372 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 7, 2016 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 1 Interventional

Automated Retinal Image Analysis System (EyeQuant) for Computation of Vascular Biomarkers

NCT04567745
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease, Vascular Dementia
Interventions
Retinal fundus photography
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 1 Interventional

Short Term Efficacy and Safety of Perispinal Administration of Etanercept in Mild to Moderate Alzheimer's Disease

NCT01716637
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Etanercept, Curcum.Luteol.Theaflav.Lip.Acid,FishOil,Quercet.,Resveratr.
Biological · Dietary Supplement
Lead sponsor
Life Extension Foundation Inc.
Other
Eligibility
60 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Coral Springs, Florida • Delray Beach, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 2 Interventional Results available

A 2-Period Crossover Study of BPN14770 in Adults Males With Fragile X Syndrome

NCT03569631
View directory record Official record
Conditions
Fragile X Syndrome, FXS, Fra(X) Syndrome
Interventions
BPN14770, Placebo
Drug
Lead sponsor
Tetra Discovery Partners
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Driving Simulation to Assess Non-Sedative Effects of Tolperisone

NCT03353922
View directory record Official record
Conditions
Driving Impaired
Interventions
Cyclobenzaprine 10 Mg Oral Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Neurana Pharmaceuticals, Inc.
Industry
Eligibility
21 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Long Beach, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Not applicable Interventional

Music Therapy Experiences in Patients With Mild Cognitive Impairment (MCI) and Alzheimer's Disease (AD)

NCT04666077
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Home-based MT through Supervised, Supported Singing (H3S), Individualized Music Therapy (IMT), Attention Control (AtCon)
Behavioral · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 22, 2026, 7:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Atlas of Retinal Imaging in Alzheimer's Study

NCT03862222
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging, Cognitive Change
Interventions
Retinal Imaging, Pupillometry, Contrast Sensitivity, Neuropsychological Evaluation, APOE genotyping, blood draw, Gait Assessment, Actigraphy
Other · Diagnostic Test · Genetic
Lead sponsor
University of Rhode Island
Other
Eligibility
55 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
4
States / cities
Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 1 Interventional

BDPP Treatment for Mild Cognitive Impairment (MCI) and Prediabetes or Type 2 Diabetes Mellitus (T2DM)

NCT02502253
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
grape seed polyphenolic extract, resveratrol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 90 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 22, 2022 · Synced Oct 22, 2026, 7:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Polyphenols and Cognitive Decline

NCT06507254
View directory record Official record
Conditions
Cognitive Decline, Cognitive Dysfunction
Interventions
Polyphenol Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Biomarker Qualification for Risk of Mild Cognitive Impairment (MCI) Due to Alzheimer's Disease (AD) and Safety and Efficacy Evaluation of Pioglitazone in Delaying Its Onset

NCT01931566
View directory record Official record
Conditions
Mild Cognitive Impairment Due to Alzheimer's Disease
Interventions
Pioglitazone, Pioglitazone placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
65 Years to 83 Years
Enrollment
3,494 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
34
States / cities
Phoenix, Arizona • Sun City, Arizona • Long Beach, California + 31 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Not applicable Interventional Results available

Plasticity Using Stimulation and Habit: A Pilot Open-label rTMS Study for MCI

NCT04503096
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
High-dose accelerated rTMS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
65 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 22, 2026, 7:22 AM EDT
Recruiting Not applicable Interventional

Early-Stage Partner in Care Living Alone Plus

NCT06962111
View directory record Official record
Conditions
Dementia, Mild Cognitive Impairment (MCI), Alzheimer Disease
Interventions
Psychoeducational skills training intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
60 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Recruiting Not applicable Interventional

taVNS + CCT for Neurocognitive Rehab

NCT07517237
View directory record Official record
Conditions
Psychosocial Well-being, Neurocognitive Function, Cognitive Complaint, Cognitive Dysfunction
Interventions
taVNS, Computerized Cognitive Training
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
45 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Not yet recruiting Not applicable Interventional

Fall Prevention in Mild Cognitive Impairment

NCT07507812
View directory record Official record
Conditions
Cognitive Impairment, High Fall Risk
Interventions
Virtual Neurophysiological Rehabilitation
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 3 Interventional

Anti-Inflammatory Treatment for Age-Associated Memory Impairment: A Double-Blind Placebo-Controlled Trial

NCT00009230
View directory record Official record
Conditions
Memory Disorders
Interventions
Celecoxib
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 1 Interventional

A Safety Study of TTP4000 in Subjects With Alzheimer's Disease

NCT01548430
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
TTP4000, Placebo
Drug
Lead sponsor
vTv Therapeutics
Industry
Eligibility
50 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
3
States / cities
Miami, Florida • Durham, North Carolina • High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Oct 22, 2026, 7:22 AM EDT
Recruiting Not applicable Interventional

Essential Fats For Enhancing Cognitive Thinking (EFFECT) Study

NCT06223672
View directory record Official record
Conditions
Cognitive Decline, Cognitive Impairment
Interventions
Walnuts, Simply White Diary-free chocolate bar
Other
Lead sponsor
Ohio State University
Other
Eligibility
40 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The A-LIST WMM Insights Series

NCT04466722
View directory record Official record
Conditions
Alzheimer Disease, Dementia, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
UsAgainstAlzheimer's
Other
Eligibility
18 Years to 100 Years
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 2 Interventional Results available

Memory Improvement Through Nicotine Dosing (MIND) Study

NCT02720445
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Nicotine Transdermal Patch, Placebo Patch
Drug
Lead sponsor
University of Southern California
Other
Eligibility
55 Years to 90 Years
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
36
States / cities
Scottsdale, Arizona • North Little Rock, Arkansas • Downey, California + 31 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 22, 2026, 7:22 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Flortaucipir 18F PET Imaging in BIOCARD Study

NCT03052972
View directory record Official record
Conditions
Cognitive Decline
Interventions
Flortaucipir F18, Brain PET scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
Not listed
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2020 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Phase 2 Interventional Results available

Treatment Study for Cognitive Deficits in Schizophrenia

NCT00505076
View directory record Official record
Conditions
Schizophrenia
Interventions
MK-0777, placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 60 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
8
States / cities
Los Angeles, California • Catonsville, Maryland • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2014 · Synced Oct 22, 2026, 7:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Functionally-tailored Oral Care Intervention for Community-dwelling Older Adults With Dementia and Their Caregivers

NCT04238520
View directory record Official record
Conditions
Dementia, Cognitive Impairment
Interventions
Functionally Tailored Oral Care Intervention, Control Intervention
Behavioral
Lead sponsor
Xi Chen
Other
Eligibility
18 Years to 100 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 25, 2025 · Synced Oct 22, 2026, 7:22 AM EDT