Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 12, 2026, 5:22 PM EDT

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Showing 121–144 of 192 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Long COVID, Long Covid19
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
5,205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Conditions
Long COVID, COVID Long-Haul
Interventions
2 day cardiopulmonary exercise test
Procedure
Lead sponsor
Sheffield Hallam University
Other
Eligibility
18 Years to 65 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Results available

Paxlovid for Treatment of Long Covid

NCT05576662
Conditions
Post-acute Sequelae of SARS-CoV-2 Infection, Long COVID
Interventions
Nirmatrelvir, Placebo, Ritonavir
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Stanford, California
Conditions
Long COVID
Interventions
wait-list, chiropractic adjustments
Other · Procedure
Lead sponsor
Life University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Post-Acute Sequelae of SARS-CoV-2 (PASC) Infection, COVID-19, Long COVID, Long Haul COVID
Interventions
TNX-102 SL, Placebo SL Tablet
Drug
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
29
States / cities
Birmingham, Alabama • Oceanside, California • Santa Ana, California + 25 more
Conditions
Covid19, Viral Syndrome
Interventions
Treadmill Exercise, Concentrated Oxygen, Concentrated Air
Other
Lead sponsor
Noah Greenspan
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Long COVID
Interventions
MY-Skills for Long COVID
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Multiple Sclerosis, Long COVID, Long Covid19, Obese, Obesity, Obesity, Morbid, Acute Leukemia in Remission
Interventions
Liraglutide Pen Injector [Saxenda], Medication Diary
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
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
Conditions
Long COVID
Interventions
Acupuncture
Procedure
Lead sponsor
Southern California University of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Whittier, California
Conditions
Post-Acute COVID-19 Syndrome, Postural Tachycardia Syndrome (POTS), SARS CoV 2 Infection, Long COVID19
Interventions
To Measure levels of circulating monocyte/ T cell doublets at Baseline, To measure levels of circulating monocyte/ T cell doublets after 28 days of 2 HOBA treatment, To measure levels of circulating monocyte/ T cell doublets after 28 days of Placebo treatment, To Measure Splanchnic venous capacitance after 28 days of Treatment with 2HOBA, To Measure Splanchnic venous capacitance after 28 days of Treatment with Placebo, To Measure Orthostatic Tachycardia after 28 days of Treatment with 2HOBA, To Measure Orthostatic Tachycardia after 28 days of Treatment with Placebo
Drug · Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Multisystem Inflammatory Syndrome in Children (MIS-C)
Interventions
Not listed
Lead sponsor
Carelon Research
Other
Eligibility
Up to 21 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
32
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Los Angeles, California + 29 more
Active, not recruiting No phase listed Observational

Post Acute Sequelae of COVID-19

NCT04964115
Conditions
Covid19, Sars-CoV-2 Infection, Dyspnea Caused by 2019-nCoV, COVID-19 Acute Respiratory Distress Syndrome, Pulmonary Fibrosis
Interventions
Cohort study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Long COVID
Interventions
Ketamine only
Drug
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Austin, Texas
Conditions
PASC Post Acute Sequelae of COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 110 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Long COVID Fatigue
Interventions
Ketogenic Metabolic Therapy, Lifestyle Intervention
Other · Behavioral
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Yogic Breathing and Guided Meditation for Long Covid Symptoms

NCT05139979
Conditions
COVID-19, Stress, Shortness of Breath
Interventions
Breathing and Wellness Webinar, Routine Daily Activity
Behavioral · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Long COVID
Interventions
N-803 (IL-15 Superagonist)
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Ivabradine, Ivabradine Placebo, Coordinated Care, Usual Care
Drug · Behavioral
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina