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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:27 PM EDT

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Showing 73–96 of 1,883 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Impaired Cognition Clear all
Completed Phase 2 Interventional

Impact of Grape Consumption on Brain Metabolism and Neuropsychological Performance Over 1 Year

NCT03361410
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Grape Powder, Placebo Powder
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 21, 2026, 1:27 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Neuroinflammation and Alzheimer's Pathology in POCD

NCT05378659
View directory record Official record
Conditions
Post-Operative Confusion, Neuroinflammatory Response, Alzheimer Disease
Interventions
Montreal Cognitive Assessment, Stroop Test, 4AT Delirium, Grooved Pegboard, NACC Cognitive Battery, ERP Testing, Blood Plasma and Serum sampling, Cerebral Spinal Fluid Sample
Behavioral · Diagnostic Test
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Oct 21, 2026, 1:27 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Circle Game Collaborative--Freddie the Frog

NCT05522946
View directory record Official record
Conditions
Cognitive Impairment, Physical Disability
Interventions
Gameplay between parent and child or adolescent with or without a disability
Other
Lead sponsor
Ohio State University
Other
Eligibility
5 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Phase 1 Interventional

Home Care Medication Management Program for the Frail Elderly

NCT01321853
View directory record Official record
Conditions
Chronic Illness, Cognitive Impairment
Interventions
MD2 machine and nurse care coordination, Medplanner and Nurse Care Coordination
Other
Lead sponsor
Arizona State University
Other
Eligibility
60 Years and older
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 6, 2012 · Synced Oct 21, 2026, 1:27 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Project Gnosis: the Neurophysical and Psychosocial Health Outcomes of Tai Chi for Older Adults with Cognitive Concerns or Mild Cognitive Impairment

NCT06828926
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Sarcopenia
Interventions
Tai Chi
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
60 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Thinking, Walking Outcomes by Type of Exercise

NCT01635348
View directory record Official record
Conditions
Gait Disorder, Sensorimotor, Cognitive Disorder
Interventions
motor skill gait exercise, aerobic gait intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
65 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2015 · Synced Oct 21, 2026, 1:27 PM EDT
Enrolling by invitation No phase listed Observational

F 18 T807 Tau PET Imaging in Dominantly Inherited Alzheimer's Network (DIAN Project)

NCT02414178
View directory record Official record
Conditions
Alzheimer Disease
Interventions
F 18 T807
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Phase 2 Interventional Results available

Low-Dose Ibuprofen in Improving Cognitive Impairment in Patients With Cancer

NCT03186638
View directory record Official record
Conditions
Cognitive Impairment, Malignant Neoplasm
Interventions
Ibuprofen, Placebo, Questionnaire Administration
Drug · Other
Lead sponsor
University of Rochester NCORP Research Base
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
169
States / cities
Burbank, California • Lewes, Delaware • Newark, Delaware + 99 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Oct 21, 2026, 1:27 PM EDT
Not yet recruiting Phase 2 Interventional

Flutemetamol F 18 Injection Formulation Comparison

NCT07873463
View directory record Official record
Conditions
Cognitive Dysfunction
Interventions
GE-287, Vizamyl
Drug
Lead sponsor
GE Healthcare
Industry
Eligibility
50 Years to 110 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
6
States / cities
Aventura, Florida • Merritt Island, Florida • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Not applicable Interventional

Multi-domain Online Therapeutic Investigation Of Neurocognition (MOTION)

NCT05217849
View directory record Official record
Conditions
Mild Cognitive Impairment, Subjective Memory Decline
Interventions
Tai Chi, Preventing Loss of Independence through Exercise (PLIE), Health and Wellness Education
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
55 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Time-in-bed Restriction in Older Adults With Sleep Difficulties With and Without Risk for Alzheimer's Disease

NCT05138848
View directory record Official record
Conditions
Alzheimer Disease, Late Onset, Mild Cognitive Impairment, Sleep, Cognitive Change, Amyloid
Interventions
Time in Bed Restriction, Sleep Schedule
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
65 Years to 85 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Not applicable Interventional

A Study of Decreased Mental Function Associated With HIV

NCT00027040
View directory record Official record
Conditions
Cognitive Disorders, HIV Infections
Interventions
Selegiline hydrochloride
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
12
States / cities
Los Angeles, California • San Diego, California • Stanford, California + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Not applicable Interventional

Network Modulation in Alzheimer's Disease

NCT04045990
View directory record Official record
Conditions
Alzheimer Disease, Primary Progressive Aphasia, Mild Cognitive Impairment
Interventions
repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Oct 21, 2026, 1:27 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Longitudinal Imaging of Microglial Activation in Different Clinical Variants of Alzheimer's Disease

NCT04576793
View directory record Official record
Conditions
Alzheimer Disease
Interventions
11C-ER176, 18F-MK6240, 18F-Florbetaben, Lumbar Puncture
Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Magnetic Resonance Imaging (MRI) of Tumor Response and Cognitive Impairment in Breast Cancer Patients Undergoing Chemotherapy

NCT01045044
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Dayton, Ohio • Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Oct 21, 2026, 1:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Novel Retinal Imaging Biomarkers in Early Alzheimer's Disease

NCT01937221
View directory record Official record
Conditions
Mild Cognitive Impairment, Mild to Moderate Cognitive Impairment
Interventions
spectral-domain optical coherence tomography (SD-OCT)
Other
Lead sponsor
Duke University
Other
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 21, 2026, 1:27 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Wake Forest Alzheimer's Disease Clinical Core

NCT03140865
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Prediabetic State
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2031
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

High Frequency Stimulation to Improve Cognition, Mobility, and Affect in Individuals With and Without Subjective Cognitive Decline

NCT07395609
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Not applicable Interventional Results available

Brain Energy for Amyloid Transformation in Alzheimer's Disease Study

NCT03472664
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
low carbohydrate/high fat diet, low fat/high carbohydrate diet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Recruiting Phase 1 Interventional

A Study of LY3439539 in Participants With Alzheimer's Disease

NCT07598370
View directory record Official record
Conditions
Alzheimer Disease
Interventions
LY3439539
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
8
States / cities
Irvine, California • Long Beach, California • Los Angeles, California + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Terminated Phase 4 Interventional

Galantamine Augmentation of Escitalopram for Treatment of Depression

NCT00423969
View directory record Official record
Conditions
Depression
Interventions
Galantamine, Escitalopram
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 18, 2007 · Synced Oct 21, 2026, 1:27 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Concurrent Aerobic Exercise and Cognitive Training to Prevent Alzheimer's in At-risk Older Adults (The Exergames Telerehabilitation Study)

NCT06340659
View directory record Official record
Conditions
At Risk for AD-dementia, With Subjective Cognitive Decline
Interventions
HbAEx, HbExergame
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
65 Years to 99 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 21, 2026, 1:27 PM EDT
Completed Not applicable Interventional

Cognitive Training Delivered Remotely to Individuals With Psychosis (ROAM)

NCT02782442
View directory record Official record
Conditions
Treatment, Active Control, Schizophrenia, Psychosis, Schizoaffective Disorder, Psychotic Depression, Psychotic Mood Disorders, Psychotic Disorders, Psychotic Episode, Cognitive Impairment
Interventions
Structured Cognitive Training & PRIME, Computer Games Control & PRIME
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
San Francisco, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Oct 21, 2026, 1:27 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Enhancing Attention and Wellbeing Using Digital Therapeutics

NCT06397469
View directory record Official record
Conditions
Aging, MCI, Cognitive Decline
Interventions
MediTrain, Worder
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years to 99 Years
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 21, 2026, 1:27 PM EDT