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Long COVID clinical trials

Directory of U.S. ClinicalTrials.gov public records for Long COVID. Browse Long COVID recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.

By the Clinical Trials Finder editorial team Guidance last reviewed June 10, 2026 Data synced July 22, 2026 Report an issue

ClinicalTrials.gov public records Last synced Jul 22, 2026, 5:57 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
95
Shown on this page
12
Current sort
Recently updated
Condition scope
Long COVID
Additional filters apply within this condition.
The trial list below is retrieved from the live ClinicalTrials.gov search API for Long COVID. Results on this page are currently sorted by Recently updated.

How Long COVID studies are organized in the registry

Terminology for this condition is unusually inconsistent across the registry: the same kind of study may be filed under “long COVID,” “post-acute sequelae of SARS-CoV-2,” the abbreviation PASC, or “post-COVID conditions.” Trying more than one of these terms is the single most effective way to avoid missing records.

Terms that often appear in related listings

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

Filter and sort this condition

These controls apply only within Long COVID. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 1–12 of 95 matching trials for Long COVID.
Live ClinicalTrials.gov results.
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Live official records

Open in full search
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Keytruda
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 110 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting Not applicable Interventional

tVNS in Long COVID-19

NCT06585254
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
Active, not recruiting Not applicable Interventional Results available

Home-based Brain Stimulation Treatment for Post-acute Sequelae of COVID-19 (PASC)

NCT05092516
Conditions
Dysexecutive Syndrome, Post-Acute Sequelae of COVID-19
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Systemic Inflammation, Neuroinflammation, Microvascular Thrombosis
Interventions
IV normal saline, IV immunoglobulin
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Long COVID
Interventions
Heat therapy, Sham Control, Walking
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
50 Years to 90 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Long COVID, Long COVID Syndrome, Long COVID-19 Syndrome, PASC, PASC Post Acute Sequelae of COVID 19
Interventions
accelerated intermittent theta burst stimulation
Device
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Albuquerque, New Mexico
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Long COVID Immune Profiling

NCT06027255
Conditions
Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome, Autonomic Dysfunction
Interventions
IL-6, cytokines (IL-17, and IFN-ɣ), Compass 31
Diagnostic Test · Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome

NCT05421208
Conditions
Post-acute COVID-19 Syndrome, Postural Tachycardia Syndrome (POTS), Long COVID, SARS CoV 2 Infection
Interventions
Levels of inflammatory cytokine ( IL-6) in post-COVID-19 POTS and controls, Levels of inflammatory cytokine ( IL-6) in controls, Effect on inflammation after chronic PNS stimulation
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Personalized Cardiopulmonary Rehabilitation, Education
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Long COVID, Long COVID-19, Sleep Disturbance
Interventions
Melatonin, Melantonin Placebo, Tailored lighting (TL) Active, Tailored lighting (TL) Placebo
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Long COVID, Post Acute Sequelae of COVID-19
Interventions
11C-PS13
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Long Covid-19, PASC Post Acute Sequelae of COVID 19, Brain Fog, Fatigue
Interventions
rTMS
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California

About this Long COVID clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Long COVID as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results
Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Long COVID.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Long COVID.