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ClinicalTrials.gov public records Last synced Oct 18, 2026, 10:27 AM EDT

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Showing 1–24 of 2,123 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cognitive Deficit Clear all
Completed Phase 2 Interventional

EG-501 for Cognitive Impairment in Neuropsychiatric SLE (NPSLE): Efficacy and Safety Study

NCT07281105
View directory record Official record
Conditions
Neuropsychiatric Systemic Lupus Erythematosus, Systemic Lupus Erythematosus (SLE), Cognitive Impairment
Interventions
Placebo, EG-501
Drug
Lead sponsor
Evergreen Therapeutics, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
Cleveland, Ohio • Nashville, Tennessee • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Not applicable Interventional Results available

Measuring Brain Amyloid Plaque Load in Older Adults Using BAY 94-9172

NCT01222351
View directory record Official record
Conditions
Late Onset Alzheimer Disease
Interventions
BAY 94-9172 (Florbetaben)
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
65 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Oct 18, 2026, 10:27 AM EDT
Active, not recruiting Phase 3 Interventional

ACHIEVE Brain Health Follow-Up Study

NCT05532657
View directory record Official record
Conditions
Aging, Cognitive Decline, Mild Cognitive Impairment, Dementia, Hearing Loss
Interventions
Hearing intervention, Successful aging/delayed hearing intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
73 Years and older
Enrollment
629 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
Hagerstown, Maryland • Minneapolis, Minnesota • Jackson, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Phase 4 Interventional Results available

Rasagiline in the Treatment of Persistent Negative Symptoms of Schizophrenia

NCT00492336
View directory record Official record
Conditions
Schizophrenia
Interventions
rasagiline (Pharmacodynamics), Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
Baltimore, Maryland • Catonsville, Maryland • Dundalk, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 18, 2026, 10:27 AM EDT
Enrolling by invitation Not applicable Interventional

Cognitive-Behavioral Therapy for Irritability in Children With Autism Spectrum Disorder and Intellectual Disability

NCT02914951
View directory record Official record
Conditions
Autism, Intellectual Disability
Interventions
Cognitive-Behavioral Therapy, Functional magnetic resonance imaging (fMRI)
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
8 Years to 16 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 18, 2026, 10:27 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Modulating Cortical Dynamics of Dual-task Standing in MCI

NCT05680701
View directory record Official record
Conditions
Aging, Mild Cognitive Impairment
Interventions
real tACS, sham tACS
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years to 95 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 18, 2026, 10:27 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

DC Longitudinal Study on Aging and Specimen Bank

NCT03702907
View directory record Official record
Conditions
Alzheimer Disease, Dementia, Mild Cognitive Impairment, Aging, Aging Disorder
Interventions
Not listed
Lead sponsor
Georgetown University
Other
Eligibility
45 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2019 · Synced Oct 18, 2026, 10:27 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 18, 2026, 10:27 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

LDX for the Treatment of Cognitive Functioning Issues in Women Post-Oophorectomy

NCT01986777
View directory record Official record
Conditions
Cognitive Impairments, RRSO
Interventions
lisdexamfetamine, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
30 Years to 60 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Oct 18, 2026, 10:27 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

ScentAware and OCT in MCI vs HC

NCT06377241
View directory record Official record
Conditions
Alzheimer Disease, Early Onset
Interventions
ScentAware, UPSIT
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Phase 2 Interventional

A Trial to Explore the Potential Benefit of Safinamide on Cognitive Impairment Associated With Parkinson's Disease

NCT01211587
View directory record Official record
Conditions
Parkinson's Disease With Cognitive Impairments
Interventions
safinamide, placebo
Drug
Lead sponsor
Newron Pharmaceuticals SPA
Industry
Eligibility
45 Years to 80 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
9
States / cities
Sunnyvale, California • Jacksonville, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2013 · Synced Oct 18, 2026, 10:27 AM EDT
Recruiting Phase 2 Interventional

Sleep Healthy Using the Internet Mitigating Insomnia to Address Neurocognitive Difficulties (SHUTi MIND)

NCT05565833
View directory record Official record
Conditions
Insomnia, Cognitive Dysfunction, Mild Cognitive Impairment, Sleep Initiation and Maintenance Disorders, Sleep Disorders, Intrinsic, Dyssomnias, Sleep Wake Disorders, Nervous System Diseases, Alzheimer Disease
Interventions
SHUTi OASIS, Patient Education
Behavioral · Other
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 18, 2026, 10:27 AM EDT
Recruiting No phase listed Observational

F 18 T807 Tau PET Imaging of Alzheimer's Disease

NCT02414347
View directory record Official record
Conditions
Alzheimer Disease
Interventions
F 18 T807
Drug
Lead sponsor
Tammie L. S. Benzinger, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Auditory Temporal Processes in Aging

NCT03468660
View directory record Official record
Conditions
Auditory Perceptual Disorders, Aging Problems
Interventions
Auditory training with feedback, Listening paradigm with no feedback
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years to 85 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Oct 18, 2026, 10:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

F 18 T807 PET (Positron Emission Tomograph )Scan for HIV Infected & Uninfected

NCT03279523
View directory record Official record
Conditions
Alzheimer Disease, HIV
Interventions
F 18 T807
Drug
Lead sponsor
Tammie L. S. Benzinger, MD, PhD
Other
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 18, 2026, 10:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Validity of the Electronic Self-Administered Gerocognitive Examination (eSAGE)

NCT02544074
View directory record Official record
Conditions
Mild Cognitive Impairment, Dementia
Interventions
neuropsychological testing, eSAGE testing
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of MK-2214 in Adults With Mild Cognitive Impairment or Mild-to-Moderate Alzheimer's Disease (MK-2214-002)

NCT05466422
View directory record Official record
Conditions
Alzheimer Disease
Interventions
MK-2214, Placebo
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
12
States / cities
Glendale, California • Los Alamitos, California • Orange, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 18, 2026, 10:27 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Perceptual Deficits in Schizophrenia

NCT02337439
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Sensory Information Processing Training, Active Control Training
Behavioral
Lead sponsor
VA Connecticut Healthcare System
Federal
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Phase 2 Interventional Results available

Effect of PBT2 in Patients With Early to Mid Stage Huntington Disease

NCT01590888
View directory record Official record
Conditions
Huntington Disease
Interventions
PBT2, Placebo
Drug
Lead sponsor
Prana Biotechnology Limited
Industry
Eligibility
25 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
14
States / cities
San Diego, California • Englewood, Colorado • Farmington, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2016 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Not applicable Interventional

Open-Label Study of Omega 3 Oil Supplementation for Aging-Related Cognitive Decline

NCT04484454
View directory record Official record
Conditions
Cognitive Decline
Interventions
ProdromeNeuro Omega 3 Oil Nutritional Supplement
Dietary Supplement
Lead sponsor
Neurological Associates of West Los Angeles
Other
Eligibility
35 Years to 65 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Oct 18, 2026, 10:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Child to Adult Neurodevelopment in Gene Expanded Huntington's Disease

NCT01860339
View directory record Official record
Conditions
Huntington's Disease
Interventions
Not listed
Lead sponsor
Peggy C Nopoulos
Other
Eligibility
6 Years to 30 Years
Enrollment
488 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2026
U.S. locations
6
States / cities
Sacramento, California • Iowa City, Iowa • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of 1072nm Infrared Stimulation on Executive Functioning in Dementia

NCT01059877
View directory record Official record
Conditions
Dementia
Interventions
1072nm infrared Photobiomodulation, Photobiomodulation SIMULATED
Device
Lead sponsor
Quietmind Foundation
Other
Eligibility
50 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Plymouth Meeting, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 18, 2026, 10:27 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Contributions of mTBI to Neurodegeneration Due to Chronic Traumatic Encephalopathy (CTE) and Alzheimer's Disease (AD)

NCT04124029
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Moderate Traumatic Brain Injury, Mild Cognitive Impairment
Interventions
No Intervention is used for this study but all subjects will be asked to complete electroencephalogram (EEG) testing and an MRI scan., No intervention is used for this study but all subjects will be asked to complete a venous blood draw procedure and a lumbar puncture procedure.
Device · Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 90 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 18, 2026, 10:27 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Tau Imaging With JNJ067

NCT03926702
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Progressive Supranuclear Palsy
Interventions
Radiopharmaceuticals
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
50 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Oct 18, 2026, 10:27 AM EDT