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ClinicalTrials.gov 6 recruiting now official registry

Chronic Fatigue Syndrome clinical trials

Every US clinical trial registered for Chronic Fatigue Syndrome — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

16 US clinical trials · 6 currently recruiting

The research picture

Chronic Fatigue Syndrome has 16 registered US clinical trials, 6 of them open to new participants right now — about 38% of the total.

6
recruiting participants now
38%
of trials open to enrollment
0
in Phase 3–4 (later-stage)
3
top sponsor: Icahn School of Medicine at Mount Sinai

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

RECRUITING NA 100,500 participants

The Long COVID-19 Wearable Device Study

Scripps Translational Science Institute

NCT05741112

RECRUITING Phase 1 120 participants

Assessment of Neuroinflammation in Central Inflammatory Disorders Using [F-18]DPA-714.

University of Alabama at Birmingham

NCT03759522

RECRUITING Phase 1 120 participants

Lumbrokinase for Adults With Long Covid, Post-treatment Lyme Disease Syndrome, and Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

Icahn School of Medicine at Mount Sinai

NCT06511050

RECRUITING Phase 2 95 participants

Assessment of N-Acetylcysteine as Therapy for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

Weill Medical College of Cornell University

NCT04542161

RECRUITING NA 50 participants

Hydrogen Water Intervention With Heart Rate Variability as an Outcome Biomarker in ME/CFS

Stony Brook University

NCT07009691

RECRUITING NA 50 participants

tVNS in Long COVID-19

Icahn School of Medicine at Mount Sinai

NCT06585254

ACTIVE NOT RECRUITING NA 20 participants

Does a Technology Enabled Multi-disciplinary Team-based Care Model for the Management of Long COVID and Other Fatiguing Illnesses Improve Clinical Care of Patients and Represent a Sustainable Approach Within a Federally Qualified Health Center?

Family Health Centers of San Diego

NCT05167227

COMPLETED 197 participants

Central Mechanisms of Chronic Pain and Fatigue Subtitle: Functional Imaging of Brain and Spinal Cord

University of Florida

NCT03075254

COMPLETED NA 106 participants

Cardiovascular Analysis of PEM

Icahn School of Medicine at Mount Sinai

NCT04740736

COMPLETED NA 100 participants

Treatment of Fibromyalgia With Recovery Factors

Practitioners Alliance Network

NCT04381780

COMPLETED Phase 2 45 participants

The Exercise Response to Pharmacologic Cholinergic Stimulation in Myalgic Encephalomyelitis / Chronic Fatigue Syndrome

Brigham and Women's Hospital

NCT03674541

COMPLETED Phase 1 24 participants

Behavioral Insomnia Therapy With Chronic Fatigue Syndrome

Duke University

NCT00540254

COMPLETED NA 17 participants

Traditional African Healing Ceremony in a U.S. Population

Duke University

NCT01873482

COMPLETED 15 participants

Epstein-Barr Virus as a Possible Cause for Chronic Fatigue Syndrome

University of Mississippi Medical Center

NCT00433355

COMPLETED NA 7 participants

Acupressure for Pain Management and Fatigue Relief in Gulf War Veterans

The Cleveland Clinic

NCT02075489

COMPLETED NA

Hyporeactivity and Gulf War Illness

US Department of Veterans Affairs

NCT00100412

Phase Distribution

PhaseTrial count
Phase 1 3
Phase 2 2

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Chronic Fatigue Syndrome Trial Landscape

ClinicalTrials.gov lists 16 US studies indexed under Chronic Fatigue Syndrome, and 6 of those are currently open to recruitment — roughly 38% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Chronic Fatigue Syndrome shows 0 late-stage studies (Phase 3 and Phase 4 combined) alongside 5 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Chronic Fatigue Syndrome is led by Icahn School of Medicine at Mount Sinai with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 16 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Chronic Fatigue Syndrome?

PlainTrial tracks 16 US clinical trials for Chronic Fatigue Syndrome, of which 6 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Chronic Fatigue Syndrome?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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