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ClinicalTrials.gov public records Last synced May 21, 2026, 7:16 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 4,263 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Cognitive 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, 7:16 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Elevated PSA, Prostate Cancer
Interventions
Targeted biopsy
Device
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced May 21, 2026, 7:16 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Depression, Anxiety
Interventions
CF-CBT: A Cognitive-Behavioral Skills-Based Program to Promote Emotional Well-Being for Adults wtih Cystic Fibrosis, Waitlist Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
4
States / cities
Palo Alto, California • Kansas City, Kansas • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced May 21, 2026, 7:16 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, 7:16 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Binge Eating Disorder
Interventions
CBT-GSH with Noom Monitor
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 55 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced May 21, 2026, 7:16 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Major Depressive Disorder, Recurrent
Interventions
Mindfulness Based Cognitive Therapy, Health Enhancement Program
Behavioral
Lead sponsor
University of Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced May 21, 2026, 7:16 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, 7:16 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, 7:16 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, 7:16 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, 7:16 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Paralysis; Quadriplegic
Interventions
Mind Extender (MindEx)
Device
Lead sponsor
Nader Pouratian
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced May 21, 2026, 7:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alzheimer's Disease (AD)
Interventions
lorazepam
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 80 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 9, 2016 · Synced May 21, 2026, 7:16 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Anxiety Disorders
Interventions
CBT, UC
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
6 Years to 18 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced May 21, 2026, 7:16 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Alzheimer's Disease, Vascular Dementia, Dementia, Memory Impairment
Interventions
Metformin, Placebos
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
55 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 20, 2017 · Synced May 21, 2026, 7:16 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, 7:16 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Spinal Cord Injuries, Pain, Chronic, Spinal Cord Injury, Acute
Interventions
Hypnosis enhanced cognitive behavioral therapy, Pain Education
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
16 Years to 85 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 21, 2026, 7:16 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Post Concussion Syndrome
Interventions
Functional near-infrared spectroscopy (fNIRS), V1 stimulation electrodes, Magnetic Resonance Imaging (MRI), MAGNUS scanner
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
20 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced May 21, 2026, 7:16 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, 7:16 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, 7:16 PM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Memory Deficit
Interventions
Memory Drilling, Compensatory Strategies, Cognitive Processing Therapy
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced May 21, 2026, 7:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2021 · Synced May 21, 2026, 7:16 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, 7:16 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Prostate Cancer
Interventions
Interviews, Surveys
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
65 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced May 21, 2026, 7:16 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, 7:16 PM EDT