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ClinicalTrials.gov public records Last synced Oct 28, 2026, 11:20 PM EDT

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Showing 25–48 of 62 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Time Reaction Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Neurocognitive Visual Reaction Training

NCT01972581
View directory record Official record
Conditions
Reaction Time
Interventions
Reaction Time Training
Other
Lead sponsor
High Point University
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 19, 2016 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Overpractice Improve Motor Learning?

NCT02898701
View directory record Official record
Conditions
Aging
Interventions
Motor Practice of a Standing Serial Reaction Time Task
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 95 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 28, 2026, 11:20 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players

NCT07641335
View directory record Official record
Conditions
Cognitive Performance, Attention, Reaction Time, Caffeine
Interventions
Caffeinated Coffee, Decaffeinated Coffee Placebo
Dietary Supplement
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 28, 2026, 11:20 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 4, 2022 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Caffeine Blend on Reaction Time, Mental Performance and Focus in Athletic Males

NCT03019523
View directory record Official record
Conditions
Mental Fatigue
Interventions
Caffeine Blend, Sugar Pill
Dietary Supplement · Other
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Not applicable Interventional Results available

Assessment of Chiropractic Treatment Using Reaction and Response Times in Members of the Special Operation Forces (ACT2)

NCT02168153
View directory record Official record
Conditions
Physiological Measurements of Response and Reaction Times
Interventions
Chiropractic Manipulative Therapy, Wait-list
Other
Lead sponsor
RAND
Other
Eligibility
20 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Fort Campbell North, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 19, 2019 · Synced Oct 28, 2026, 11:20 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 27, 2015 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Age on Latanoprost 0.005% in Patients With Glaucoma

NCT00224289
View directory record Official record
Conditions
Glaucoma
Interventions
Latanoprost 0.005%
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of a Double-Blind, Single Dose of PER977 Administered Alone, and Following a Single Dose of Edoxaban

NCT01826266
View directory record Official record
Conditions
Anticoagulant Reversal, Reversal of Edoxaban Induced Anticoagulation
Interventions
PER977, Placebo
Drug
Lead sponsor
Perosphere Pharmaceuticals Inc, a wholly owned subsidiary of AMAG Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Not applicable Interventional Results available

Multiplexing Prism Fitting for Field Expansion of Monocular Vision

NCT06027216
View directory record Official record
Conditions
One Eye Blindness, Blind Left Eye, Blind Right Eye
Interventions
Multiplexing Prism
Device
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
16 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Oct 28, 2026, 11:20 PM EDT
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 Oct 15, 2026 · Synced Oct 28, 2026, 11:20 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 11, 2025 · Synced Oct 28, 2026, 11:20 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 11, 2024 · Synced Oct 28, 2026, 11:20 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 May 1, 2018 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Babesia Testing in Blood Donors

NCT01528449
View directory record Official record
Conditions
Transfusion Transmitted Babesiosis
Interventions
B.microti diagnostic blood tests
Biological
Lead sponsor
Imugen
Industry
Eligibility
16 Years and older
Enrollment
90,116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Norwood, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 28, 2026, 11:20 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 19, 2026 · Synced Oct 28, 2026, 11:20 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 12, 2024 · Synced Oct 28, 2026, 11:20 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 20, 2026 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of a Combination of TeaCrine®, Dynamine, and Caffeine in Law Enforcement

NCT03937687
View directory record Official record
Conditions
Caffeine, Teacrine, and Dynamine: Effects on Performance
Interventions
Caffeine+TeaCrine+Dynamine, Placebo, Caffeine
Drug
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 63 Years · Male only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
New Brunswick, New Jersey • Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Oct 28, 2026, 11:20 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 22, 2016 · Synced Oct 28, 2026, 11:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Transcranial Magnetic Stimulation on Free Will

NCT00029653
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 28, 2026, 11:20 PM EDT
Not listed Not applicable Interventional

Acute Effect of Capsimax on Resistance Exercise Performance, Muscle Oxygenation, Nitric Oxide Release, Resting Energy Expenditure and Reaction Time

NCT06612658
View directory record Official record
Conditions
None Volunteer
Interventions
A novel, proprietary encapsulated form of Capsicum extract in beadlet form standardized to 2% capsaicinoids
Dietary Supplement
Lead sponsor
Hofstra University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Hempstead, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Oct 28, 2026, 11:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Brain Control of Movement

NCT00017979
View directory record Official record
Conditions
Movement Disorder, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 28, 2026, 11:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effects of Onnit Alpha Brain on Cognition and Mood States

NCT07495592
View directory record Official record
Conditions
Cognitive, Mood and Cognitive Performance, Sleep Deprivation, Executive Function (Cognition), Fatigue
Interventions
Alpha Brain proprietary cognitive dietary supplement, Alpha Brain 2.0 proprietary cognitive dietary supplement, Controlled Placebo
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
20 Years to 59 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 28, 2026, 11:20 PM EDT