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ClinicalTrials.gov public records Last synced Oct 28, 2026, 9:43 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 62 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Time Reaction Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Language Control Across Modalities

NCT07226921
View directory record Official record
Conditions
Healthy
Interventions
Predictability, language context
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 28, 2026, 9:43 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 8, 2022 · Synced Oct 28, 2026, 9:43 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

FITLIGHT Reliability and Acute Training Effects

NCT06748417
View directory record Official record
Conditions
Athletic Injuries
Interventions
Acute Cognitive Training, Non-stimulating Rest
Device · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 25 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 28, 2026, 9:43 PM EDT
Completed No phase listed Observational

Review of Molecular Profiling-Real Time Polymerase Chain Reaction (Rt-Pcr) in Unknown Primary Cancer

NCT00876408
View directory record Official record
Conditions
Unknown Primary Cancer
Interventions
Not listed
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Oct 28, 2026, 9:43 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Clinical Time and Temporal Dynamics Study (CLIN-TIME)

NCT07812831
View directory record Official record
Conditions
Longitudinal Studies, Prospective Studies, Biomarkers, Predictive Value of Tests, Telemedicine, Time of Death, Time Perception, Time Reaction, Time Efficiency, Time Management, Population, Population Groups, Epidemic Disease, Pandemic, Sex Behavior, Sex Characteristics, Sex Hormone, Cardio-pulmonary, Surgical, Drugs of Abuse, Health Risks, Clinical Outcomes
Interventions
No Study-Assigned Intervention
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2076
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 28, 2026, 9:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Theanine and Caffeine on Neurophysiology of Attention

NCT02770105
View directory record Official record
Conditions
L-theanine
Interventions
Theanine, Caffeine, Theanine-Caffeine Combination, Placebo
Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2016 · Synced Oct 28, 2026, 9:43 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 Jun 1, 2015 · Synced Oct 28, 2026, 9:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Examine the Effects of ATP Supplementation on Muscle Excitability and Reaction Time During and Following a Repeated Sprint Bout

NCT02093611
View directory record Official record
Conditions
Muscle Fatigue Caused by Repetitive Muscle Exercise
Interventions
Placebo, ATP
Dietary Supplement
Lead sponsor
Metabolic Technologies Inc.
Industry
Eligibility
18 Years to 30 Years · Male only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 28, 2026, 9:43 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 4, 2008 · Synced Oct 28, 2026, 9:43 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 8, 2025 · Synced Oct 28, 2026, 9:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition21 Study 1

NCT04828278
View directory record Official record
Conditions
Nutritional Supplementation
Interventions
Arginine, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Oct 28, 2026, 9:43 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 12, 2026 · Synced Oct 28, 2026, 9:43 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 2, 2017 · Synced Oct 28, 2026, 9:43 PM EDT
Recruiting Not applicable Interventional

Postural Motor Activation Deficits After mTBI; Translating Laboratory Findings to Clinical Care

NCT07549529
View directory record Official record
Conditions
Mild Traumatic Brain Injury (mTBI), Concussion, Mild Traumatic Brain Injury
Interventions
Motor Activation Physical Therapy for mTBI, Standard of Care Physical Therapy for mTBI
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Portland, Oregon • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 28, 2026, 9:43 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Adding Neurocognitive Component to Balance Test

NCT06827483
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
Neurocognitive Component
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 28, 2026, 9:43 PM EDT
Withdrawn No phase listed Observational

Adenovirus and Fungal Load in Pediatric Stem Cell Transplant Patients

NCT00448994
View directory record Official record
Conditions
Adenovirus, Other Mycoses
Interventions
Not listed
Lead sponsor
Steven B. Kleiboeker
Industry
Eligibility
2 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Kansas City, Missouri • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced Oct 28, 2026, 9:43 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 17, 2024 · Synced Oct 28, 2026, 9:43 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Use of Modafinil in the Treatment of Tinnitus

NCT00591019
View directory record Official record
Conditions
Tinnitus
Interventions
Modafinil, Placebo
Drug · Other
Lead sponsor
University of Arkansas
Other
Eligibility
20 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 28, 2026, 9:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Non-invasive Brain Stimulation and Injury Risk Biomechanics

NCT06093295
View directory record Official record
Conditions
Concussion, Mild
Interventions
Repetitive Transcranial Magnetic Stimulation (Theta Burst Stimulation)
Device
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 28, 2026, 9:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Oculomotor, Vestibular and Reaction Time Response Following a Concussive Event

NCT01832714
View directory record Official record
Conditions
Concussion, Mild, Concussion, Intermediate, Concussion, Severe
Interventions
Not listed
Lead sponsor
Neurolign
Industry
Eligibility
19 Years to 45 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
San Diego, California • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 19, 2019 · Synced Oct 28, 2026, 9:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Safety, Tolerability and Immune Responses of Ebola-S and Marburg Vaccines in Healthy Adults

NCT04723602
View directory record Official record
Conditions
Ebola Virus Disease, Marburg Virus Disease
Interventions
cAd3-Marburg, cAd3-EBO-S
Biological
Lead sponsor
Albert B. Sabin Vaccine Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Oct 28, 2026, 9:43 PM EDT
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 8, 2021 · Synced Oct 28, 2026, 9:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Vagus Nerve Stimulation for Reaction Time

NCT07528742
View directory record Official record
Conditions
Healthy Subjects (HS)
Interventions
vagus nerve stimulation
Device
Lead sponsor
Youngstown State University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Youngstown, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 28, 2026, 9:43 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate if Long Acting Cabotegravir (CAB) and Lenacapavir (LEN) Injections Are Tolerable and Acceptable When Administered to Healthy Adults Without HIV

NCT06970223
View directory record Official record
Conditions
HIV Infections
Interventions
Cabotegravir long-acting, Lenacapavir long-acting
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2025 · Synced Oct 28, 2026, 9:43 PM EDT