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ClinicalTrials.gov public records Last synced Sep 11, 2026, 4:56 PM EDT

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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Consumption of 4D Dietary Supplement on Perceptual-Cognitive and Visual-Motor Performance

NCT04988919
View directory record Official record
Conditions
Dietary Supplementation
Interventions
4D, placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2021 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Balance and Anti-Epileptic Drugs

NCT03338478
View directory record Official record
Conditions
Epilepsy
Interventions
Wii Balance Board
Diagnostic Test
Lead sponsor
Erik J. Kobylarz
Other
Eligibility
16 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Study to Examine the Ability of a Caffeine-Based Energy Drink to Impact Energy Expenditure, Fat Oxidation, Reaction Time, and Other Perceptual Indicators

NCT05998096
View directory record Official record
Conditions
Energy Expenditure, Cognition, Reaction Time
Interventions
Caffeine-Based Energy Drink, Placebo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Zeaxanthin Intervention on Visuomotor Function

NCT02017418
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
zeaxanthin, combinatory supplement
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Chiropractic Activator Adjustments on Mental Rotation and Line Judgment Reaction Time

NCT02749266
View directory record Official record
Conditions
Cognition - Other
Interventions
Chiropractic adjustment, Sham chiropractic adjustment
Other
Lead sponsor
Life University
Other
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of PeakATP on Mood, Reaction Time and Cognition

NCT05100589
View directory record Official record
Conditions
Cognitive Change, Mood
Interventions
PeakATP, Placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 11, 2026, 4:56 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

tFUS to Enhance Alertness and Performance

NCT06461221
View directory record Official record
Conditions
Reaction Time, Alertness
Interventions
Transcranial Focused Ultrasound
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
22 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Acute and Residual Effects of Caffeinated Beer

NCT00515294
View directory record Official record
Conditions
Neurobehavioral Manifestations, Drug Related Sleep Disturbance, Alcohol Intoxication
Interventions
Caffeinated Alcoholic Beer, Non-Caffeinated Alcoholic Beer, Caffeinated Non-Alcoholic Beer, Non-Caffeinated, Non-Alcoholic Beer
Drug · Other
Lead sponsor
Boston University
Other
Eligibility
21 Years to 30 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Impact and Detection of Driving Impairments Associated With Acute Cannabis Smoking

NCT02849587
View directory record Official record
Conditions
Cannabis Intoxication
Interventions
Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 55 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Exercise on Acute Nicotine Withdrawal

NCT01047930
View directory record Official record
Conditions
Nicotine Dependence, Smoking, Sleep Disorders, Intrinsic
Interventions
Exercise
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 45 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Results available

Clinical Utility of a PCR Compared to Culture and Sensitivity Testing for the Management of cUTI in Adults.

NCT06996301
View directory record Official record
Conditions
Urinary Tract Infection Complicated, Urinary Tract Infection (cUTI), Urinary Tract Infection (Diagnosis)
Interventions
Treatment guided by the PCR results, Treatment guided by the C&S results
Diagnostic Test
Lead sponsor
Doc Lab Inc
Industry
Eligibility
18 Years and older
Enrollment
773 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
6
States / cities
San Jose, California • Albany, Georgia • Evans, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 11, 2026, 4:56 PM EDT
Recruiting No phase listed Observational

Peri-implant Mucosal Changes Over Time Following Implant Provisional Removal in the Esthetic Zone

NCT06783595
View directory record Official record
Conditions
Tooth Loss, Implant Site Reaction
Interventions
intraoral scan
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Rates of Fat Oxidation with and Without Ingestion of a Caffeine-Based Energy Drink

NCT06308731
View directory record Official record
Conditions
Substrate Oxidation, Energy Expenditure, Reaction Time, Cognition, Exercise Performance
Interventions
Caffeine-Based Energy Drink, Placebo
Dietary Supplement · Other
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional

Effect of TA Contraction on Gait in Patients With Knee OA

NCT03513094
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Transversus Abdominis Contraction
Other
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
21 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of A-GPC on Reaction Time and Cognitive Function

NCT03903250
View directory record Official record
Conditions
Cognitive Change, Reaction Time
Interventions
A-GPC, Sugar
Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 35 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced Sep 11, 2026, 4:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Function in Primary Lateral Sclerosis

NCT00071435
View directory record Official record
Conditions
Motor Neuron Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inspiratory Muscle Training in Postmenopausal Women

NCT06459674
View directory record Official record
Conditions
Postmenopausal Symptoms, Aging, Obesity
Interventions
PrO2 Fit (IMT Trainer)
Device
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 11, 2026, 4:56 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

UCLA Magnesium Formulation Athlete Study

NCT07640685
View directory record Official record
Conditions
Athletic Performance, Recovery, Sleep
Interventions
Magnesium glycinate, Magnesium L-threonate, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of A Proprietary Spearmint Extract on Cognitive Performance

NCT02518165
View directory record Official record
Conditions
Mood, Cognitive Performance, Sleep
Interventions
Proprietary spearmint extract, Placebo
Dietary Supplement · Other
Lead sponsor
Kemin Foods LC
Industry
Eligibility
18 Years to 50 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Sep 11, 2026, 4:56 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Visual Motor Coordination

NCT00568243
View directory record Official record
Conditions
Healthy Volunteer, Neurodegenerative Diseases
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Sep 11, 2026, 4:56 PM EDT
Withdrawn Phase 4 Interventional

Can Additional Drug Therapy Accelerate Response Time to Antidepressants

NCT00221494
View directory record Official record
Conditions
Depression
Interventions
citalopram + tiodothyronine, or + pindolol, or + placebo
Drug
Lead sponsor
Mark Frye
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 31, 2015 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional

mHealth Behavior Study

NCT06624514
View directory record Official record
Conditions
Alcohol Consumption, Condom Use
Interventions
Training Group, Sham Training Group
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 11, 2026, 4:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Spinal Manipulative Therapy Upon Stroop Task Performance

NCT00335426
View directory record Official record
Conditions
Motor Response Time
Interventions
Spinal manipulative therapy
Procedure
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 31, 2009 · Synced Sep 11, 2026, 4:56 PM EDT
Completed No phase listed Observational

Brain Changes Associated With Learning a Motor Task

NCT00076466
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 40 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 11, 2026, 4:56 PM EDT