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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Viral Pneumonia Clear all
Completed Not applicable Interventional

RECOVER-ENERGIZE Platform Protocol

NCT06404047
View directory record Official record
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Personalized Cardiopulmonary Rehabilitation, Structured Pacing, Education, Usual Care
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
42
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 33 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Jul 21, 2026, 1:46 PM EDT
Active, not recruiting No phase listed Observational

COVID-19 Outcome Prediction Algorithm

NCT05471011
View directory record Official record
Conditions
COVID-19, Post Acute Sequelae of COVID-19, Long COVID, Organ Dysfunction Syndrome, Multiple, Frailty Syndrome
Interventions
Blood and nasal swab sampling
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Los Angeles, California • Sylmar, California • Torrance, California + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Completed No phase listed Observational

COVID-19 Antibody Levels After Vaccines

NCT04944134
View directory record Official record
Conditions
Vaccine Preventable Disease
Interventions
COVID-19 Vaccination
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
71 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Not applicable Interventional

UNITE Study (UMN-SW) for COVID-19

NCT04854798
View directory record Official record
Conditions
Covid19, Cytokine Storm, Inflammation
Interventions
Splenic Ultrasound
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Burnsville, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Jul 21, 2026, 1:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Examine the Psychosocial Impacts of COVID-19 Pandemic.

NCT05052333
View directory record Official record
Conditions
Psychosocial Impacts, COVID-19 Pandemic
Interventions
Not listed
Lead sponsor
University of Otago
Other
Eligibility
18 Years and older
Enrollment
2,574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Not applicable Interventional

Vagal Approaches on Long COVID-19

NCT07190105
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impact of the COVID-19 Pandemic and HRQOL in Cancer Patients and Survivors

NCT04447222
View directory record Official record
Conditions
COVID-19 Infection, Malignant Solid Neoplasm
Interventions
Quality-of-Life Assessment, Questionnaire Administration, Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
1,242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Terminated Phase 2 Interventional Results available

Booster Dose Trial

NCT05016622
View directory record Official record
Conditions
Cancer
Interventions
BNT162b2 vaccine
Biological
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Jul 21, 2026, 1:46 PM EDT
Recruiting No phase listed Observational

Natural History of Systemic and Nasal Mucosal Immunity to Influenza and SARS-CoV-2 in Adults After Vaccination

NCT04794829
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Terminated Phase 3 Interventional Results available

Janssen Ad26.CoV2.S Vaccine Booster in Kidney Transplant Recipients

NCT05220397
View directory record Official record
Conditions
Kidney Transplant Recipient
Interventions
Janssen Ad26.CoV2.S Vaccine, Reduction in Immunosuppression Medication, Maintenance in Immunosuppression Medication
Biological · Other
Lead sponsor
Mark Stegall
Other
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Jul 21, 2026, 1:46 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Shifts in the Respiratory Microbiome and Clinical Outcomes of SARS-CoV-2

NCT04815018
View directory record Official record
Conditions
SARS-CoV-2 Infection, Bacterial Respiratory Tract Infection, Viral Respiratory Tract Infection
Interventions
Not listed
Lead sponsor
Pathnostics
Industry
Eligibility
60 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Delaware, Ohio • Granville, Ohio • Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Phase 2 Interventional Results available

FEnofibRate as a Metabolic INtervention for COVID-19

NCT04517396
View directory record Official record
Conditions
Covid19
Interventions
Fenofibrate/fenofibric acid, Placebo, Usual care
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2023 · Synced Jul 21, 2026, 1:46 PM EDT
Active, not recruiting Phase 2 Interventional

Low-Dose Radiotherapy For Patients With SARS-COV-2 (COVID-19) Pneumonia

NCT04466683
View directory record Official record
Conditions
Covid-19, Sars-CoV2, Pneumonia
Interventions
Low dose radiation 35 cGy, High dose radiation 100 cGy
Radiation
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
6
States / cities
Boca Raton, Florida • Miami, Florida • Maywood, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Terminated Phase 2 Interventional Results available

Tocilizumab for Prevention of Respiratory Failure in Patients With Severe COVID-19 Infection

NCT04377659
View directory record Official record
Conditions
COVID-19
Interventions
Tocilizumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Jul 21, 2026, 1:46 PM EDT
Not listed Not applicable Interventional

Vielight RX Plus for the Treatment of COVID-19 Respiratory Symptoms

NCT04418505
View directory record Official record
Conditions
COVID-19
Interventions
Vielight RX Plus
Device
Lead sponsor
Vielight Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Port Orange, Florida
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Jul 21, 2026, 1:46 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of SARS CoV-2 (COVID-19) Virus Secretions and Serum for Countermeasure Development

NCT04956445
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
6 Months to 120 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Impact of GSE and Xylitol (Xlear) on COVID-19 Symptoms and Time to PCR Negativisation in COVID-19 Patients

NCT04854486
View directory record Official record
Conditions
Covid19
Interventions
GSE and Xylitol, Control Placebo
Other · Drug
Lead sponsor
Larkin Community Hospital
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Trial of an Oral SARS-CoV-2 Vaccine (VXA-CoV2-1) for Prevention of COVID-19 in Healthy Adults and Boost (VXA-CoV2-1.1-S) at 1 Year Post Initial Vaccination in Subset of Subjects

NCT04563702
View directory record Official record
Conditions
Covid19
Interventions
VXA-CoV2-1
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 54 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Jul 21, 2026, 1:46 PM EDT
Completed No phase listed Observational

Project STARFISH - PRJ0002679

NCT05727202
View directory record Official record
Conditions
SARS-CoV-2 Infection, Influenza A, Influenza Type B, RSV Infection
Interventions
The Applied Biosystems™ TaqPath™ COVID-19, Flu A, Flu B, RSV Select Panel
Diagnostic Test
Lead sponsor
Thermo Fisher Scientific, Inc
Industry
Eligibility
Not listed
Enrollment
1,909 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
17
States / cities
San Diego, California • Lake City, Florida • Miami, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating a Community-Led COVID-19 Testing Intervention to Address Mistrust - Study 1

NCT06650462
View directory record Official record
Conditions
COVID-19, Trust
Interventions
Community-led discussion
Behavioral
Lead sponsor
Old Dominion University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Phase 3 Interventional

A Controlled Comparative Trial of Sulfamethoxazole-Trimethoprim Versus Aerosolized Pentamidine for Secondary Prophylaxis of Pneumocystis Carinii Pneumonia in AIDS Patients Receiving Azidothymidine (AZT)

NCT00000727
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate, Pyrimethamine, Sulfamethoxazole/Trimethoprim, Sulfadoxine/Pyrimethamine, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1991
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Jul 21, 2026, 1:46 PM EDT
Withdrawn No phase listed Observational

Analysis of Lung Sounds Collected by RESP Biosensor to Support Decision Making in Monitored Hospitalized Pediatric Patients

NCT05661422
View directory record Official record
Conditions
Pediatric Respiratory Diseases, Asthma, RSV Infection, COVID-19
Interventions
RESP™ Biosensor
Device
Lead sponsor
Strados Labs, Inc.
Industry
Eligibility
4 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Jul 21, 2026, 1:46 PM EDT
Terminated Phase 2 Interventional

Pemziviptadil (PB1046), a Long-acting, Sustained Release Human VIP Analogue, Intended to Provide Clinical Improvement to Hospitalized COVID-19 Patients at High Risk for Rapid Clinical Deterioration and Acute Respiratory Distress Syndrome (ARDS).

NCT04433546
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Coronavirus, Hypoxic Respiratory Failure, Hypoxemic Respiratory Failure, Respiratory Complication, Respiratory Insufficiency, Cardiac Dysfunction, Pneumonia, Pulmonary Edema, Pulmonary Inflammation, Respiratory Failure, Cytokine Storm, COVID 19, SARS-CoV-2, Cardiac Event, Cardiac Complication, Cardiac Failure, Cardiac Infarct
Interventions
Pemziviptadil (PB1046), Low Dose (10 mg) Control
Drug
Lead sponsor
PhaseBio Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
4
States / cities
Jacksonville, Florida • Sarasota, Florida • Kansas City, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Jul 21, 2026, 1:46 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine

NCT04952402
View directory record Official record
Conditions
Covid19, SARS-CoV2 Infection
Interventions
Study-provided Moderna mRNA-1273 COVID-19 vaccine, Community-provided Moderna mRNA-1273 COVID-19 Vaccine, Community-Provided Pfizer-BioNTech BNT162b2 COVID-19 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
6
States / cities
Los Angeles, California • San Diego, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Jul 21, 2026, 1:46 PM EDT