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ClinicalTrials.gov public records Last synced Sep 5, 2026, 11:35 AM EDT

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Showing 1–24 of 215 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Early Phase 1 Interventional Accepts healthy volunteers

Acetazolamide and Exercise Performance at Altitude

NCT03525561
Conditions
Hypoxia, Exercise Performance, Cognitive Function, Dexterity
Interventions
Acetazolamide Pill, Placebo pill
Drug
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Natick, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Performance Nutrition for Residents and Fellows

NCT03698123
Conditions
Physician Well-being, Cognitive Function, Diet Modification, Diet Habit, Shift-Work Related Sleep Disturbance, Sleep Deprivation
Interventions
Dietary Modification
Other
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Stanford, California
Conditions
Mild Cognitive Impairment
Interventions
Application of Transcranial Alternating Current Stimulation for Modulation of Sleep and Cognitive Performance
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Strategy Training, Attention Control
Interventions
Strategy Training, Attention Control
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Training Strategies to Maintain Performance

NCT07128511
Conditions
Shortness of Breath, Shortness of Breath/Dyspnea, Respiratory Distress
Interventions
Multiple Inhalation Breathing Pattern, Tactical Breathing Technique
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Alzheimer Disease
Interventions
Salvia officinalis (sage)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 90 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home Operations Utilizing Stimulation

NCT04484285
Conditions
Cognitive Performance
Interventions
Transcutaneous Vagal Nerve Stimulation (tVNS)
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Acquiring and Targeting Heat Exposures Necessary for Action

NCT05678738
Conditions
Heat Intolerance, Heat Stress, Fatigue; Heat
Interventions
Antioxidant Berry Supplementation, Acute and Chronic Exercise-Heat Stress, Placebo (non-juice) Supplementation
Dietary Supplement · Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Storrs, Connecticut
Conditions
Aging, Physical Functioning, Cognitive Functioning, Fitness
Interventions
Biomarker studies
Genetic
Lead sponsor
Duke University
Other
Eligibility
30 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
6
States / cities
Charlotte, North Carolina • Concord, North Carolina • Davidson, North Carolina + 2 more
Completed No phase listed Observational Accepts healthy volunteers

Effects of Endocrine Health on Mental Performance of Men and Women Using Drugs

NCT00245531
Conditions
Human Immunodeficiency Virus Positive or Negative
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Cognitive Change, Processing, Visual Spatial, Inhibition (Psychology), Working Memory
Interventions
HUBOD, Active Comparator, Control Condition
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Urbana, Illinois
Conditions
Nicotine Dependence, Drug Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Stroke
Interventions
CHAMPS
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
Cirrhosis, Hepatic Encephalopathy
Interventions
Albumin Infusion
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Depressive Disorder, Major
Interventions
Computer- administered test battery, Examiner- administered test battery
Device
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 59 Years
Enrollment
585 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
20
States / cities
Birmingham, Alabama • Anaheim, California • Beverly Hills, California + 17 more
Completed Not applicable Interventional Accepts healthy volunteers

Dose-Response Effect of Phosphatidylserine on eSport Performance

NCT07533032
Conditions
Cognitive Function, Gaming Performance
Interventions
Placebo, Phosphatidylserine (100 mg), Phosphatidylserine (200 mg)
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 40 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Saint Charles, Missouri
Conditions
Healthy Subjects
Interventions
LEM5, LEM10, ZOL, PBO
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
4
States / cities
Atlanta, Georgia • New York, New York • Raleigh, North Carolina + 1 more
Completed Not applicable Interventional Results available

Cognitive Markers in Prodromal MS

NCT05543915
Conditions
Multiple Sclerosis
Interventions
Active tDCS
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
23 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Bipolar Disorder, Major Depressive Disorder, Psychosis
Interventions
Lurasidone, FDA Approved antidepressant treatment
Drug
Lead sponsor
George West Mental Health Foundation d/b/a Skyland Trail
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Cognitive Performance
Interventions
fMRI with virtual reality flight simulator
Diagnostic Test
Lead sponsor
The Geneva Foundation
Other
Eligibility
18 Years to 54 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Terminated Not applicable Interventional Accepts healthy volunteers

FITLIGHT Reliability and Acute Training Effects

NCT06748417
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
Conditions
Cognitive Performance, Hypertension
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
40 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia
Interventions
Cognitive remediation training (CT), Healthy behavior training (HBT), Risperidone, administered orally (Oral Ris), Risperidone, administered via injection (RLAI)
Behavioral · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Sleepiness and the Risk of Falling

NCT00383357
Conditions
Aging, Balance, Sleep
Interventions
zolpidem
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Boulder, Colorado