Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 10, 2026, 1:05 AM EDT

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Showing 121–144 of 222 matching trials from the live ClinicalTrials.gov search.
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
Interventions
Nirmatrelvir, Ritonavir, Placebo
Drug
Lead sponsor
Harlan M Krumholz
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Results available

Intermittent Fasting and a No-Sugar Diet for Long COVID Symptoms

NCT06214455
Conditions
Long Covid19, Long COVID
Interventions
Low sugar diet and 10-12 hour eating window, Low sugar diet, 8 hour eating window and fasting
Other
Lead sponsor
Pacific Northwest University of Health Sciences
Other
Eligibility
19 Years to 69 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Boulder, Colorado • Yakima, Washington
Conditions
Corona Virus Infection, Cognitive Dysfunction
Interventions
Cognitive Training
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Active, not recruiting Not applicable Interventional

Autoimmune Intervention Mastery Course Study

NCT05057676
Conditions
Multiple Sclerosis, Clinically Isolated Syndrome, Fibromyalgia, Post Acute Sequelae of COVID-19, Cancer in Remission With Persisting Fatigue
Interventions
Immediate Autoimmune Intervention Mastery Course (AIM), Immediate Question and Answer sessions. (AIM Q and A sessions), Delayed Autoimmune Intervention Mastery Course (delayed AIM course), Delayed AIM Question and Answer sessions
Behavioral
Lead sponsor
Terry L. Wahls
Other
Eligibility
18 Years to 100 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Recruiting Phase 2 Interventional

LIFT: Life Improvement Trial

NCT06366724
Conditions
ME/CFS, Long COVID, PASC
Interventions
Pyridostigmine, Low-Dose Naltrexone, Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pulmonary Fibrosis, COVID-19 Pneumonia, Long COVID
Interventions
Sirolimus
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
COVID-19
Interventions
nirmatrelvir-ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
14,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19
Interventions
Omega-3 (EPA+DHA), Placebo
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 89 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Edison, New Jersey
Conditions
Long COVID
Interventions
Qigong
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Terminated Phase 2 Interventional Results available

LYT-100 in Post-acute COVID-19 Respiratory Disease

NCT04652518
Conditions
Covid19, Post-acute COVID-19 Respiratory Disease
Interventions
LYT-100, Placebo
Drug · Other
Lead sponsor
PureTech
Industry
Eligibility
18 Years to 80 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
15
States / cities
Birmingham, Alabama • Florence, Alabama • Los Angeles, California + 12 more
Conditions
COVID-19
Interventions
ELISA, RT-PCR
Diagnostic Test
Lead sponsor
Igenomix
Industry
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Boston, Massachusetts • Pleasant Grove, Utah
Conditions
Post-acute Sequelae of SARS-COV-2 Infection
Interventions
Not listed
Lead sponsor
The Board of Medicine
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Long COVID, Long Covid19
Interventions
Narrative Intervention for Long COVID-19 (NICO)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Long COVID, Long Coronavirus Disease 2019 (Covid19), Long Covid-19
Interventions
IVIG (intravenous immunoglobulin), IVIG Placebo, Coordinated Care, Usual Care
Drug · Behavioral
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Active, not recruiting Not applicable Interventional

A Study of Positive Emotions With Long COVID-19

NCT05676008
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Microdosing of mindfulness
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Sacramento, California
Recruiting Not applicable Interventional

The Long COVID-19 Wearable Device Study

NCT05741112
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
Conditions
Long COVID, COVID-19
Interventions
Cardiac Rehabilitation
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
COVID-19, Acute Respiratory Distress Syndrome
Interventions
LLLT Photobiomodulation
Device
Lead sponsor
Ward Photonics LLC
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
7
States / cities
Berkeley, California • Los Angeles, California • Santa Monica, California + 4 more
Enrolling by invitation No phase listed Observational

Microbial and Cytokine Signatures in Long COVID Patients

NCT07074158
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Not listed
Lead sponsor
Palo Alto Medical Foundation
Other
Eligibility
18 Years and older
Enrollment
150 participants
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional

Long COVID Ultrasound Trial

NCT06189066
Conditions
Long Covid
Interventions
Splenic Ultrasound
Device
Lead sponsor
SecondWave Systems Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Long Covid
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
San Francisco, California
Conditions
Traumatic Brain Injury, Fatigue, Cognitive Impairment, COVID-19
Interventions
Somatropin
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Post-COVID-19 Syndrome, Fatigue Syndrome, Chronic
Interventions
Anhydrous Enol-Oxaloacetate, a "Medical Food", White Rice Flour
Other
Lead sponsor
Terra Biological LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah