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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Muscle Fatigue Clear all
Not yet recruiting Phase 2 Interventional

Low-Dose Naltrexone For ME/CFS: Dose-Finding

NCT07285473
View directory record Official record
Conditions
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Interventions
Low-Dose Naltrexone, 1.5mg, Low-Dose Naltrexone, 3.0mg, Low-Dose Naltrexone, 4.5mg, Low-Dose Naltrexone, 6.0mg
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Phase 1Phase 2 Interventional

Behavioral Insomnia Therapy With Chronic Fatigue Syndrome

NCT00540254
View directory record Official record
Conditions
Chronic Fatigue Syndrome, Behavioral Therapy Targeted to Sleep Problems
Interventions
Cognitive Behavioral Therapy, Usual Care for Chronic Fatigue Syndrome (Active Control Group)
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 28, 2013 · Synced Sep 11, 2026, 8:23 AM EDT
Suspended Phase 1 Interventional Accepts healthy volunteers

Tracking Peripheral Immune Cell Infiltration of the Brain in Central Inflammatory Disorders Using [Zr-89]Oxinate-4-labeled Leukocytes.

NCT03807973
View directory record Official record
Conditions
Fibromyalgia, Chronic Fatigue Syndrome, Multiple Sclerosis, Healthy
Interventions
[Zr-89]Oxine-labeled leukocytes PET/MRI
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 11, 2026, 8:23 AM EDT
Enrolling by invitation No phase listed Observational

Low Dose Rapamycin in ME/CFS, Long-COVID, and Other Infection Associated Chronic Conditions

NCT06257420
View directory record Official record
Conditions
Myalgic Encephalomyelitis, Long-COVID
Interventions
Rapamycin
Drug
Lead sponsor
Simmaron Research Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Palo Alto, California • Rochester, Minnesota • Incline Village, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 11, 2026, 8:23 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Muscle Function After Childbirth

NCT05073224
View directory record Official record
Conditions
Postpartum, Muscle Fatigue, Force Steadiness, Nulligravid, Muscle Weakness
Interventions
Active Straight Leg Raise Test, Active Straight Leg Raise Fatigue Task, Lower Extremity Strength Testing, Ultrasound imaging of abdominal wall
Diagnostic Test · Other
Lead sponsor
Carroll University
Other
Eligibility
20 Years to 35 Years · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Waukesha, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Lisdexamfetamine Dimesylate in Adults With Chronic Fatigue Syndrome

NCT01071044
View directory record Official record
Conditions
Chronic Fatigue Syndrome, Cognitive Impairments
Interventions
Lisdexamfetamine Dimesylate, Placebo "30, 50 or 70 mg"
Drug
Lead sponsor
Rochester Center for Behavioral Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester Hills, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Not applicable Interventional

Hydrogen Water Treatment for Chronic Fatigue Syndrome

NCT05013606
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Hydrogen water
Dietary Supplement
Lead sponsor
Stony Brook University
Other
Eligibility
21 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Sep 11, 2026, 8:23 AM EDT
Not listed No phase listed Observational

Discovering Trends in Chronic Fatigue Syndrome Patients' Clinical Study Experiences

NCT05967494
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Not listed
Lead sponsor
Power Life Sciences Inc.
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

Vagus Nerve Stimulation as Treatment for Long Covid

NCT05608629
View directory record Official record
Conditions
Long COVID, Chronic Fatigue Syndrome
Interventions
Transcutaneous Non-Invasive Vagus Nerve Stimulation
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
Up to 70 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT01661595
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Fatigue on the Forward-Step-Down Test

NCT03495752
View directory record Official record
Conditions
Fatigue
Interventions
Bruce Fatigue Protocol
Other
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Sep 11, 2026, 8:23 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Pilot Study of Alternative Treatments of Unexplained Chronic Fatigue

NCT00983502
View directory record Official record
Conditions
Idiopathic Chronic Fatigue, Chronic Fatigue Syndrome, Myalgic Encephalomyelitis
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
21 Years to 65 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 14, 2011 · Synced Sep 11, 2026, 8:23 AM EDT
Recruiting Not applicable Interventional

The Long COVID-19 Wearable Device Study

NCT05741112
View directory record Official record
Conditions
Long COVID, Postural Orthostatic Tachycardia Syndrome, Dysautonomia, Myalgic Encephalomyelitis, Chronic Fatigue Syndrome, Long Covid19
Interventions
Wearable device
Device
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years and older
Enrollment
100,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 10, 2025 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

Patient-Partner Stress Management Effects on Chronic Fatigue Syndrome Symptoms and Neuroimmune Process

NCT01650636
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Patient-Partner Videotelephone-delivered Health Information (PP-T-HI), Patient-Partner Videotelephone-delivered Cognitive Behavioral Stress Management intervention (PP-T-CBSM)
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
21 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Dec 9, 2018 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Phase 1 Interventional

Effect of Stellate Ganglion Block on ME/CFS

NCT05664711
View directory record Official record
Conditions
Encephalomyelitis, Myalgic, Chronic Fatigue Syndrome, Chronic Fatigue Disorder, Chronic Fatigue and Immune Dysfunction Syndrome, Myalgic Encephalomyelitis, Postviral Fatigue Syndrome, Systemic Exertion Intolerance Disease, Infectious Mononucleosis-Like Syndrome, Chronic, Chronic Fatigue-Fibromyalgia Syndrome
Interventions
Bupivacaine Injection
Drug
Lead sponsor
Neuroversion, Inc.
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Anchorage, Alaska
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

An Eight Week, Double-Blind Efficacy Study of Armodafinil Augmentation to Alleviate Fibromyalgia Fatigue

NCT00678691
View directory record Official record
Conditions
Fibromyalgia, Primary
Interventions
armodafinil, placebo
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2014 · Synced Sep 11, 2026, 8:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Beet-root Juice and PBM Treatments on Muscle Fatigue

NCT05596474
View directory record Official record
Conditions
Health Care Utilization, Healthy Aging
Interventions
Beet-root juice, red-light therapy, Placebo, sham light
Dietary Supplement · Radiation
Lead sponsor
Wake Forest University
Other
Eligibility
65 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 11, 2026, 8:23 AM EDT
Active, not recruiting Not applicable Interventional

tVNS in Long COVID-19

NCT06585254
View directory record Official record
Conditions
Long COVID, Chronic Fatigue Syndrome
Interventions
Transcutaneous vagus nerve stimulator
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 11, 2026, 8:23 AM EDT
Not listed No phase listed Observational

Multi-joint Muscle Fatigability and Gait Performance in People With Multiple Sclerosis

NCT03735654
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 11, 2026, 8:23 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Whole Body Hyperthermia Registry Study

NCT02174003
View directory record Official record
Conditions
Depression, Anxiety, PTSD, Fibromyalgia, Chronic Fatigue Syndrome
Interventions
High intensity whole-body infrared heating
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 11, 2026, 8:23 AM EDT
Not listed No phase listed Observational

Describing Chinese Herbal Medicine Telehealth Care for Symptoms Related to Infectious Diseases Such as COVID-19

NCT04380870
View directory record Official record
Conditions
Coronavirus Infection
Interventions
Chinese Herbal Medicine
Dietary Supplement
Lead sponsor
Center for Integrated Care
Other
Eligibility
18 Years to 114 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Sep 11, 2026, 8:23 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Reducing Orthostatic Intolerance With Oral Rehydration in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients

NCT02854683
View directory record Official record
Conditions
Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Systemic Exertion Intolerance Disease (SEID), Postural Tachycardia Syndrome (POTS), Neurally Mediated Syncope (NMS)
Interventions
Normal Saline, Oral Rehydration Solution
Drug · Dietary Supplement
Lead sponsor
New York Medical College
Other
Eligibility
15 Years to 29 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 11, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

Transcranial Magnetic Stimulation for Treating Women With Chronic Widespread Pain

NCT00524420
View directory record Official record
Conditions
Fibromyalgia, Chronic Pain, Depression
Interventions
rTMS, Sham rTMS
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 22, 2013 · Synced Sep 11, 2026, 8:23 AM EDT
Recruiting Not applicable Interventional

ME/CFS Brain Fog: Cognitive Rehabilitation Trial

NCT07523113
View directory record Official record
Conditions
ME/CFS, ME/CFS Following EBV-associated Infectious Mononucleosis, ME/CFS Following COVID-19, Chronic Fatigue, Chronic Fatigue Syndrome (CFS), Brain Fog, Cognitive Impairment, Cognitive Dysfunction
Interventions
Processing Speed Training, In-session Instrumental Activities of Daily Living Training, Transfer Package, Follow Up Phone Calls, Trans-auricular Vagus Nerve Stimulation: High Intensity, In-session Brain Health Training, Reaction Time Training, Trans-auricular Vagus Nerve Stimulation: Low Intensity
Behavioral · Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 11, 2026, 8:23 AM EDT