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Showing 1–24 of 769 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Treatment for COVID-19 Clear all
Terminated Phase 2 Interventional Results available

Study of Immunomodulation Using Naltrexone and Ketamine for COVID-19

NCT04365985
View directory record Official record
Conditions
COVID-19, Acute Respiratory Distress Syndrome, Severe Acute Respiratory Syndrome (SARS), Coronavirus Infections
Interventions
Naltrexone, Ketamine, Placebo
Drug · Other
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Not applicable Interventional Results available

Tough Talks: A Disclosure Intervention for HIV+ Young Men Who Have Sex With Men (YMSM)

NCT03414372
View directory record Official record
Conditions
Hiv, HIV/AIDS, Disclosure
Interventions
Tough Talks Online, Tough Talks Clinic, Standard of Care
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 29 Years · Male only
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced Sep 28, 2026, 12:59 PM EDT
Not listed No phase listed Observational

Change in Antibody Levels Following SARS-CoV-2 (Covid-19) Vaccinations

NCT04944095
View directory record Official record
Conditions
Covid-19, Subjects Vaccinated Against Covid-19
Interventions
Change in SARS-CoV-2 Antibody Levels
Other
Lead sponsor
Dr. Sidney J. Stohs
Other
Eligibility
55 Years and older
Enrollment
10,000 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Southlake, Texas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2022 · Synced Sep 28, 2026, 12:59 PM EDT
Recruiting Not applicable Interventional

Expressive Writing for the Management of Stress in Cancer Survivors

NCT04776941
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Behavioral Intervention, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Not listed No phase listed Observational

MGUS, SMM, and MM Patient Experience With Coronavirus 19 (COVID-19) Survey

NCT04727294
View directory record Official record
Conditions
Multiple Myeloma, Smoldering Multiple Myeloma, Monoclonal Gammopathy of Undetermined Significance, Coronavirus
Interventions
Questionnaire
Behavioral
Lead sponsor
HealthTree Foundation
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Phase 2 Interventional Results available

Evaluating Safety, Pharmacokinetics and Clinical Benefit of Silmitasertib (CX-4945) in Subjects With Moderate COVID-19

NCT04663737
View directory record Official record
Conditions
Covid19
Interventions
Silmitasertib, SOC
Drug
Lead sponsor
Senhwa Biosciences, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Gainesville, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Sep 28, 2026, 12:59 PM EDT
Withdrawn Not applicable Interventional

Hyperbaric Oxygen Therapy (HBOT) as a Treatment for COVID-19 (COVID-19) Infection

NCT04343183
View directory record Official record
Conditions
COVID-19
Interventions
Hyperbaric Oxygen Therapy
Device
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Phase 1 Interventional

Study of Intravenous Administration of Allogeneic Adipose Stem Cells for COVID-19

NCT04486001
View directory record Official record
Conditions
Covid19
Interventions
PSC-04
Biological
Lead sponsor
Sorrento Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Sep 28, 2026, 12:59 PM EDT
Enrolling by invitation Not applicable Interventional

Point of Care Respiratory Pathogen Testing for Antibiotic Stewardship in Primary Care

NCT06765135
View directory record Official record
Conditions
Upper Respiratory Infection
Interventions
Clinician Survey, Focus Group, Biofire Spotfire Respiratory (R) panel, Patient Survey
Behavioral · Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Recruiting Phase 1 Interventional

T Cell Therapy Opposing Novel COVID-19 Infection in Immunocompromised Patients

NCT05141058
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Coronavirus-specific T cell (CST)
Biological
Lead sponsor
Children's National Research Institute
Other
Eligibility
2 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Not applicable Interventional

Narrative Intervention for Long COVID-19 (NICO)

NCT06091293
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Health Messaging to Underserved Communities

NCT04371419
View directory record Official record
Conditions
Coronavirus
Interventions
Messaging
Behavioral
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
14,267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of V110 or V114 Co-administered With a Booster Dose of mRNA-1273 in Healthy Adults (V110-911)

NCT05158140
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V110, V114, mRNA-1273, Placebo for V110, Placebo for V114
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
42
States / cities
North Hollywood, California • Northridge, California • Paramount, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of Efgartigimod in Adults With Post-COVID-19 POTS

NCT05633407
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Efgartigimod, Placebo
Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
La Jolla, California • Palo Alto, California • Glenview, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 28, 2026, 12:59 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

INB03 for the Treatment of Pulmonary Complications From COVID-19

NCT04370236
View directory record Official record
Conditions
COVID-19
Interventions
INB03, Placebo
Drug
Lead sponsor
Inmune Bio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Jonesboro, Arkansas • Louisville, Kentucky • Kosciusko, Mississippi + 4 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Terminated Phase 1 Interventional Results available

Trial of Famotidine & N-Acetyl Cysteine for Outpatients With COVID-19

NCT04545008
View directory record Official record
Conditions
Covid19
Interventions
Famotidine, N-Acetyl cysteine
Drug
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Easley, South Carolina • Greenville, South Carolina • Greer, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 28, 2026, 12:59 PM EDT
Active, not recruiting Phase 2 Interventional

Repeat BCG Vaccinations for the Treatment of Established Type 1 Diabetes

NCT02081326
View directory record Official record
Conditions
Diabetes Mellitus, Type One, Diabetes Mellitus, Type I, Autoimmune Diabetes, Covid19
Interventions
Bacillus Calmette-Guérin, Saline injection
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2031
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Not applicable Interventional Results available

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

NCT06214455
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Breathing Techniques and Meditation for Health Care Workers During COVID-19 Pandemic

NCT04482647
View directory record Official record
Conditions
COVID-19 Infection
Interventions
Media Intervention, Meditation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Yoga
Other · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Terminated Phase 2 Interventional Results available

COVID-FIS: Pilot in COVID-19 (SARS-CoV-2) of Fisetin in Older Adults in Nursing Homes

NCT04537299
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Fisetin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 28, 2026, 12:59 PM EDT
Completed Phase 2 Interventional Results available

COVFIS-HOME: COVID-19 Pilot Study of Fisetin to Alleviate Dysfunction and Decrease Complications

NCT04771611
View directory record Official record
Conditions
Covid19, Coronavirus Infection
Interventions
Fisetin, Placebo
Drug
Lead sponsor
James L. Kirkland, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 28, 2026, 12:59 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

COVID-19 Rapid Test-to-Treat With African American Churches (Faithful Response II)

NCT07450209
View directory record Official record
Conditions
COVID-19 Testing Behaviors
Interventions
COVID-19 rapid test-to-treat, Standard COVID19 education control arm
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years to 120 Years
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 28, 2026, 12:59 PM EDT
Recruiting No phase listed Observational

A Study of Post COVID-19 Mechanisms for Chronic Lung Sequelae

NCT06006884
View directory record Official record
Conditions
COVID-19
Interventions
Bronchoscopies and Bronchoalveolar Lavages (BALs), Chest Tomography (CT), Electrocardiogram (ECG), Pulmonary function tests (PFTs), 6 minute walk test (6MWT)
Procedure · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 28, 2026, 12:59 PM EDT