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ClinicalTrials.gov public records Last synced May 21, 2026, 5:32 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 2,641 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cognition Disorders Clear all
Enrolling by invitation Phase 4 Interventional
View directory record Official record
Conditions
Dementia, Parkinsonism, Mild Cognitive Impairment, REM Sleep Behavior Disorder
Interventions
I-123 Ioflupane solution injection prior to SPECT scan (DaTscan), Single photon emission computed tomography (SPECT) scan
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Mild Traumatic Brain Injury
Interventions
Goal Management Training, Attention Training, Brain Health Workshop, National geographic movies
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
19 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced May 21, 2026, 5:32 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Cancer, Dementia
Interventions
COACH-Cog
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
65 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 1 Interventional
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 5, 2012 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Alcoholism
Interventions
Topiramate
Drug
Lead sponsor
Bankole Johnson
Other
Eligibility
21 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2012 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Huntington Disease
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced May 21, 2026, 5:32 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Alzheimer Disease, Aging, Aged, 80 and Over, Biomarkers, Brain, Case-Control Studies, Cognitive Dysfunction, Neuropsychological Tests
Interventions
none, observational study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
Interventions
Peanut group
Dietary Supplement
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced May 21, 2026, 5:32 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Meningioma, Skull Base Meningioma, Frontal Meningioma, Temporal Meningioma, Cognitive Impairment, Cognitive Decline, Post-Surgical Cognition
Interventions
Long-term Cognitive testing
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Timeline
2019 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Schizophrenia
Interventions
Oxytocin nasal spray, Social Cognition Skills Training, Health Management, Placebo nasal spray
Drug · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 1 Interventional
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 Oct 31, 2021 · Synced May 21, 2026, 5:32 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years and older
Enrollment
800 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 Dec 21, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Social Psychology
Interventions
Intranasal vasopressin, Intranasal placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 30 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced May 21, 2026, 5:32 PM EDT
Not yet recruiting Phase 2 Interventional
View directory record Official record
Conditions
Insomnia, Insomnia Chronic
Interventions
CBT-I-IoT-AI, SleepEZ CBTi, Sleep Hygiene IoT
Behavioral
Lead sponsor
Proactive Life Inc
Industry
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cognitive Impairment, Depression
Interventions
PATH-MCI, Supportive Therapy
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
60 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
4
States / cities
Baltimore, Maryland • New York, New York • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced May 21, 2026, 5:32 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Alpha-Thalassemia, Beta-Thalassemia, Amyloidosis, Amyotrophic Lateral Sclerosis, Creutzfeld-Jakob Disease, Cystic Fibrosis, Duchenne Muscular Dystrophy, Early-Onset Alzheimer Disease, Ehlers-Danlos Syndrome, Huntington Disease, Gaucher Disease, GM1 Gangliosidosis, Myasthenia Gravis, Pompe Disease, Sickle Cell Disease, Transthyretin Amyloid Cardiomyopathy, Rare Diseases
Interventions
Not listed
Lead sponsor
xCures
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Altos, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Delirium
Interventions
Dexmedetomidine, Lorazepam
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced May 21, 2026, 5:32 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Breast Cancer, Sarcoma, Gastric Cancer, Lung Cancer, Head and Neck Cancer, Colorectal Cancer, Ovarian Cancer, Liver Cancer, Genitourinary Cancer, Gynecologic Cancer
Interventions
Riluzole, Placebo
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Speed of Processing Training (SPT), Placebo Control
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 59 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Dementia, Cognitive Impairment, Mild, Dementia, Vascular, Dementia, Mixed, Dementia With Lewy Bodies, Dementia Frontal, Dementia Moderate, Dementia of Alzheimer Type, Dementia, Mild
Interventions
Referral for Cognitive Stimulation Therapy, No change to Standard of Care
Behavioral · Other
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Farmington, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Exercise and Education for Parkinson's Disease
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 90 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Gabapentin
Drug
Lead sponsor
David Cochran
Other
Eligibility
13 Years to 17 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced May 21, 2026, 5:32 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
curcumin 1800mg, Placebo
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced May 21, 2026, 5:32 PM EDT