Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 9, 2026, 8:08 AM EDT

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Showing 25–48 of 208 matching trials from the live ClinicalTrials.gov search.
Conditions
Long Covid, Post-treatment Lyme Disease Syndrome, Chronic Fatigue Syndrome, Myalgic Encephalomyelitis
Interventions
Lumbrokinase
Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Completed Early Phase 1 Interventional Accepts healthy volunteers

Long COVID-19 [11C]CPPC Study

NCT06223971
Conditions
COVID Long-Haul
Interventions
[11C]CPPC Injection
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Long COVID, Long Covid19, Post-COVID-19 Syndrome, Post Acute COVID-19 Syndrome, Dysautonomia, Anosmia, Dysgeusia, Brain Fog, Muscle Pain, Shortness of Breath, Dizziness, Fatigue Post Viral, Cough, Menstrual Cycle Abnormal, Pain
Interventions
Stellate Ganglion Block
Procedure
Lead sponsor
Metamorphosis LTD
Other
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Cañon City, Colorado
Recruiting Not applicable Interventional

Care for Veterans Post-COVID-19

NCT05787379
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Concordant Care Training, Education Packet Training
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
East Orange, New Jersey
Recruiting No phase listed Observational Accepts healthy volunteers

Cognitive-Sensorimotor Function in Long-COVID

NCT06850350
Conditions
Post-acute Sequelae of SARS-CoV-2 Infection
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Neurocognitive Disorders, Cognitive Dysfunction, Traumatic Brain Injury, Multiple Sclerosis, Mild Cognitive Impairment
Interventions
CRT, CBT, Modifiable lifestyle factors, Usual care Psychoeducation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Post COVID-19, Cognitive Dysfunction
Interventions
Parasym Device (of Parasym Ltd, UK) using Transcutaneous Vagus Nerve Stimulation (t-VNS)
Device
Lead sponsor
Casa Colina Hospital and Centers for Healthcare
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Pomona, California
Conditions
Long COVID-19
Interventions
Low-dose sirolimus, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Not listed Not applicable Interventional Accepts healthy volunteers

Long COVID-19 Intervention Using Digital Health & Technology

NCT05616806
Conditions
Long COVID, Distress Tolerance
Interventions
iENDURE
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Post-Acute COVID-19, Post COVID-19 Condition, Post Viral Fatigue, Dyspnea
Interventions
Computed Tomography of the Chest
Diagnostic Test
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Long-COVID, PASC, Long COVID Syndrome
Interventions
Osteopathic Manipulative Therapy Long-COVID protocol, Osteopathic Manipulative Therapy NOT Long-COVID treatment protocol
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Louisville, Kentucky
Completed Phase 2 Interventional Results available

Nitrite Supplementation in Long COVID Patients

NCT05618574
Conditions
Long COVID, Cardiorespiratory Fitness
Interventions
140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK), 210 ml of nitrate-depleted placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pasadena, California
Completed Not applicable Interventional

Vagal Approaches on Long COVID-19

NCT07190105
Conditions
Long COVID Symptoms
Interventions
Sonocea Sonic Augmentation Technology (SAT), Truvaga Electrical Vagus Nerve Stimulator
Other
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Frederick, Maryland
Conditions
Covid19, Sequelae of; Infection, Cognitive Symptom
Interventions
Niagen
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
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
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
Interventions
Acute Placebo Visit, Acute Progressive Carbon Dioxide, Acute Intermittent Hypoxia, Training: Progressive Carbon Dioxide Ramping, Training: Intermittent Hypoxic Exposure, Training: Placebo Control
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Long COVID
Interventions
Long COVID Coping and Recovery (LCCR) Intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Terminated Phase 4 Interventional Results available

Addressing Cognitive Fog in Long-COVID-19 Patients

NCT05597722
Conditions
Cognitive Impairment, Long COVID
Interventions
Digital cognitive behavioral intervention-RxWell, Amphetamine-Dextroamphetamine
Behavioral · Drug
Lead sponsor
Eva Szigethy
Other
Eligibility
21 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
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
Covid19, Long COVID-19, Post-COVID-19 Syndrome
Interventions
Naltrexone, NAD+
Drug · Dietary Supplement
Lead sponsor
AgelessRx
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Phase 2 Interventional Results available

Stellate Ganglion Block for COVID-induced Parosmia

NCT06253806
Conditions
COVID-19-Induced Parosmia
Interventions
Stellate Ganglion Block, Placebo Sham Injection
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 3 Interventional Results available

Homeopathic Treatment of Post-acute COVID-19 Syndrome

NCT05104749
Conditions
Post-acute Covid-19 Syndrome
Interventions
Homeopathic Medication, Placebo
Drug · Other
Lead sponsor
Southwest College of Naturopathic Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tempe, Arizona