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ClinicalTrials.gov public records Last synced May 22, 2026, 4:13 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Neurocognition Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Schizophrenia
Interventions
Overnight polysomnography examinations
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
PTEN Gene Mutation, PTEN Hamartoma Tumor Syndrome
Interventions
RAD001, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 45 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Palo Alto, California • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Schizophrenia
Interventions
Dextroamphetamine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced May 22, 2026, 4:13 AM EDT
Completed Not applicable Interventional
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 8, 2026 · Synced May 22, 2026, 4:13 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Primary Brain Tumor, Glioma, Meningioma, Schwannoma
Interventions
Not listed
Lead sponsor
Jona Hattangadi-Gluth
Other
Eligibility
18 Years to 99 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced May 22, 2026, 4:13 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Congenital Central Hypoventilation Syndrome, Congenital Central Hypoventilation, CCHS, CCHS With Hirschsprung Disease, CCHS With Neural Crest Tumor, CCHS With Neuroblastoma
Interventions
NIH Toolbox Cognition Battery
Other
Lead sponsor
Debra Weese-Mayer
Other
Eligibility
3 Years to 85 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2035
U.S. locations
4
States / cities
Los Angeles, California • Chicago, Illinois • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Schizophrenia
Interventions
Memantine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced May 22, 2026, 4:13 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Carotid Artery Diseases
Interventions
EC-IC Bypass in the COSS study
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 85 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced May 22, 2026, 4:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
13 Years to 17 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Cognitive Function 1, Social
Interventions
150 Minutes Week, 225 Minutes Week, Stretch and Tone
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
65 Years to 80 Years
Enrollment
648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
5
States / cities
Champaign, Illinois • Kansas City, Kansas • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
HIV Associated Cognitive Motor Complex
Interventions
Galantamine, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
30 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced May 22, 2026, 4:13 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Ischemic Stroke, Cognitive Impairment
Interventions
tDCS, sham tDCS, Cognitive Therapy
Device · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced May 22, 2026, 4:13 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Carotid Artery Diseases, Neurocognitive Dysfunction
Interventions
Neurocognitive Assessments, Measurements of inflammatory biomarkers, Carotid Artery Stenting
Diagnostic Test · Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced May 22, 2026, 4:13 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
aerobic exercise-training, stretch exercise
Behavioral
Lead sponsor
Howard University
Other
Eligibility
60 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
armodafinil
Drug
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2013 · Synced May 22, 2026, 4:13 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Structural Racism, Substance Use Risk
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
11 Years to 14 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced May 22, 2026, 4:13 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Opioid Use, Pain, Marijuana Use
Interventions
Medical Marijuana, Prescription Opioid Taper Support (POTS)
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Portland, Maine • Boston, Massachusetts • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced May 22, 2026, 4:13 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Brain Metastases, Small Cell Lung Cancer
Interventions
Stereotactic Radiation
Radiation
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced May 22, 2026, 4:13 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Chronic Ankle Instability
Interventions
Neurocognitive Ankle Training for Instablity to Optimize Neuromusculoskeletal outcomes (NATION), Evidence-Based
Other
Lead sponsor
Womack Army Medical Center
Federal
Eligibility
18 Years to 44 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Lexington, Kentucky • Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced May 22, 2026, 4:13 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Patient Discharge, Neurocognition, Baseline
Interventions
custom-created apps, neuropsychological testing, and clinical assessments
Diagnostic Test
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced May 22, 2026, 4:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Mild Cognitive Impairment, Aortic Stenosis
Interventions
5 minute Montreal Cognitive Assessment (mini MoCA)
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Dallas, Texas • Fort Worth, Texas • Plano, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced May 22, 2026, 4:13 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Long COVID
Interventions
NE3107, Placebo
Drug
Lead sponsor
BioVie Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
20
States / cities
Palo Alto, California • San Francisco, California • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced May 22, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced May 22, 2026, 4:13 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Glucose Metabolism Disorders (Including Diabetes Mellitus), Cognitive Decline, Functional Status, PreDiabetes, Aging, Depression
Interventions
Continuous Glucose Monitoring System (CGMS)
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced May 22, 2026, 4:13 AM EDT