Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 20, 2026, 6:39 PM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Fatigability and Cognitive Demand With Aging

NCT05121272
Conditions
Fatigue
Interventions
cognitive task
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Norman, Oklahoma
Conditions
Fatigue
Interventions
transcranial direct current stimulation, sham tDCS
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Obstructive Sleep Apnea
Interventions
Mild Intermittent Hypoxia, Sham MIH
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Osteoarthritis, Knee
Interventions
30 minute treadmill walk
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
55 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Adult, Fatigue
Interventions
Aerobic Exercise Training
Other
Lead sponsor
George Mason University
Other
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Fairfax, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Neuromodulation and Fatigue

NCT05487131
Conditions
Healthy Aging, Fatigue
Interventions
electrical stimulation
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Norman, Oklahoma
Completed Not applicable Interventional Accepts healthy volunteers Results available

4 mA tDCS, Estrogen, and Leg Muscle Fatigability

NCT04471805
Conditions
Healthy
Interventions
Sham transcranial direct current stimulation 4 mA, Transcranial direct current stimulation 4 mA
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Aging
Interventions
Beetroot Juice, Placebo Beetroot Juice
Dietary Supplement · Other
Lead sponsor
Marquette University
Other
Eligibility
60 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed Not applicable Interventional

Fatigability in Long COVID-19

NCT05699538
Conditions
Long COVID
Interventions
Minimal-Dose Home-Based Resistance Exercise
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Prevention of COVID-19
Interventions
Resistance Exercise
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Garfield Heights, Ohio
Conditions
Healthy
Interventions
Sham transcranial direct current stimulation, Transcranial direct current stimulation at 2 mA, Transcranial direct current stimulation at 4 mA
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 30 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Skeletal Muscle Nitric Oxide Production in Age-related Fatigue and Fatigability

NCT01059994
Conditions
Fatigue, Aging
Interventions
Placebo sildenafil, Sildenafil
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
20 Years to 80 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Spinal Muscular Atrophy (SMA)
Interventions
ARGX-119 IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
5 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
17
States / cities
Little Rock, Arkansas • San Diego, California • Stanford, California + 14 more
Conditions
Mobility Limitation
Interventions
reldesemtiv, Placebo
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
65 Years to 89 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Gainesville, Florida • Boston, Massachusetts • St Louis, Missouri + 2 more
Conditions
Pre-diabetes, Type 2 Diabetes
Interventions
Control Exercise, Blood Flow Restriction Exercise
Other
Lead sponsor
University of Michigan
Other
Eligibility
30 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Parkinson Disease
Interventions
Multimodal overground locomotor training
Other
Lead sponsor
George Mason University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Fairfax, Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Sildenafil and Tadalafil on Skeletal Muscle and Perceptual Fatigue

NCT01661595
Conditions
Fatigue
Interventions
Sildenafil, tadalafil, Placebo
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
50 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Galveston, Texas
Recruiting No phase listed Observational Accepts healthy volunteers

Skeletal Muscle Energetics and Fatiguability in Older Individuals

NCT04142047
Conditions
HIV, HIV Infections
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Multiple Sclerosis, Gait Disorders, Neurologic, Fatigue
Interventions
Not listed
Lead sponsor
Washington D.C. Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Aging
Interventions
Exercise
Other
Lead sponsor
Marquette University
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Heart Failure
Interventions
sodium nitrite, Control
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
70 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Terminated No phase listed Observational Accepts healthy volunteers

Immersive VR Environments to Induce and Evaluate Cognitive Fatigability

NCT04883359
Conditions
Cognitive Fatigue
Interventions
Not listed
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Chronic Kidney Disease Predialysis
Interventions
Combination Exercise
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Anemia, Red Blood Cell Transfusion, Fatigability, Fatigue, Physical Function
Interventions
Red blood cell transfusion
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois