Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:42 AM EDT

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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study of TopSpin360 Training Device

NCT06052553
Conditions
Healthy
Interventions
TopSpin360
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Weight Loss
Interventions
Financial coaching using TrustPlus, Brighter Bites, Noom
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Conditions
Mild Cognitive Impairment, Normal Aging
Interventions
Not listed
Lead sponsor
Biogen
Industry
Eligibility
21 Years to 86 Years
Enrollment
22,720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Traumatic Brain Injury, Acquired Brain Injury, Accidental Falls
Interventions
Functional Gait Assessment, mini-Balance Evaluation Systems Test, Berg Balance Scale
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 2 Interventional Results available

Biomarkers in Schizophrenia

NCT00817336
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
D Serine, Placebo
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Orangeburg, New York
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Developing a Mobile Method to Measure THC-induced Impairment

NCT03804840
Conditions
Measuring THC-induced Cognitive Impairment Using a Mobile Application
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Synaquell on Brain Function of Ice Hockey Players

NCT05498818
Conditions
Healthy
Interventions
Synaquell, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
13 Years to 19 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Impact of High Theacrine Doses on Hemodynamic Measures

NCT07376564
Conditions
Hemodynamic Measure, Cognitive Performance in Healthy Volunteers
Interventions
Maltodextrin (Placebo), Low dose theacrine, Medium dose theacrine, High dose theacrine
Dietary Supplement
Lead sponsor
Titch Madzima
Other
Eligibility
18 Years to 40 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Elon, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Allocentric Memory in MS and Resting State Functional MRI

NCT02118298
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Cognitive Decline
Interventions
Lion's Mane Study Product
Dietary Supplement
Lead sponsor
M2 Ingredients
Industry
Eligibility
40 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Hearing Impairment
Interventions
cognitive testing with HAD (PockeTalker) First, Cognitive testing without HAD First
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Neurofibromatosis 1, Plexiform Neurofibromas
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
5 Years and older
Enrollment
476 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Chicago, Illinois • Baltimore, Maryland + 3 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Phenytoin and Driving Safety: A Randomized, Controlled Cross-Over Study

NCT00581893
Conditions
Cognitive Measures, Driving Simulator Performance
Interventions
Phenytoin, Placebo oral capsule
Drug
Lead sponsor
University of Iowa
Other
Eligibility
25 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Iowa City, Iowa
Not listed Not applicable Interventional Accepts healthy volunteers

Acute Stress Recovery

NCT05298189
Conditions
Stress
Interventions
MindBreaks - Audio-visual, MindBreaks - Auditory-only, MindBreaks - Visual-only
Behavioral
Lead sponsor
Well Living Lab, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Synaquell on Brain Function

NCT05041192
Conditions
Healthy
Interventions
Synaquell, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 21 Years · Male only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of USP Methylene Blue on Cognitive and fMRI Brain Activity

NCT01836094
Conditions
Brain Activity
Interventions
Methylene Blue (USP grade, 280mg oral), Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Long COVID, Long COVID-19, Long COVID19
Interventions
BrainHQ/Active Comparator Activity, BrainHQ, PASC CoRE, tDCS-active, tDCS-sham
Other · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 20 more
Conditions
Frailty, Sarcopenia, Sarcopenia in Elderly, Muscle Strength, Post Operative Complications, Nutrition Assessment, Risk Assessment, Elderly (People Aged 65 or More), Hand Strength
Interventions
Frailty assessment, nutrition assessment, cognition assessment, muscle strength testing
Diagnostic Test
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Sleep Deprivation
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
20 Years to 40 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Synaquell™ in Contact Sport Athletes

NCT06104670
Conditions
Healthy
Interventions
Synaquell(TM), Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
13 Years to 19 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Alzheimer's Disease
Interventions
Cognitive Training
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
60 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Postoperative Delirium, Postoperative Cognitive Dysfunction
Interventions
fMRI, Montreal Cognitive Assessment (MoCA), Digital Clock Drawing Test Command and Copy, Wide Range Achievement Test reading subtest, Hopkins Verbal Learning Test (HVLT), General Depression Scale (GDS)
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 99 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Diabetes Mellitus, Type 2
Interventions
Group-based Cognitive Behavioral Intervention, Web-based Cognitive Behavioral Intervention, Usual Care
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Stability of Attentional Networks Over Multiple Sessions of Computerized Task
Interventions
Attention Network Task
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida