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Showing 1–24 of 1,945 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: COVID-19 Pneumonia Clear all
Terminated Phase 2 Interventional Results available

PBI-0451 (Pomotrelvir) Phase 2 Study in Nonhospitalized Symptomatic Adults With COVID-19

NCT05543707
View directory record Official record
Conditions
COVID-19
Interventions
PBI-0451 (Pomotrelvir), Placebo
Drug
Lead sponsor
Pardes Biosciences, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
54
States / cities
Mesa, Arizona • Bakersfield, California • Canoga Park, California + 41 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Withdrawn Phase 1 Interventional

CLBS119 for Repair of COVID-19 Induced Pulmonary Damage

NCT04522817
View directory record Official record
Conditions
Covid-19
Interventions
CLBS119
Biological
Lead sponsor
Lisata Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 2 Interventional

Valacyclovir Plus Celecoxib for Post-Acute Sequelae of SARS-CoV-2

NCT06316843
View directory record Official record
Conditions
Long COVID, PASC Post Acute Sequelae of COVID 19
Interventions
Valacyclovir celecoxib dose 1, Valacyclovir celecoxib dose 2, Placebo
Drug
Lead sponsor
Bateman Horne Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study of S-892216 Coadministered With Carbamazepime to Healthy Adult Participants

NCT06751017
View directory record Official record
Conditions
COVID-19
Interventions
S-892216, Carbamazepine
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 3 Interventional Results available

Adaptive COVID-19 Treatment Trial 4 (ACTT-4)

NCT04640168
View directory record Official record
Conditions
COVID-19
Interventions
Baricitinib, Dexamethasone, Placebo, Remdesivir
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
1,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
61
States / cities
Birmingham, Alabama • Fresno, California • La Jolla, California + 50 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Phase 1 Study on Bioavailability, Food Effect, and Drug-Drug Interaction of ALG-097558 Tablets in Healthy Volunteers

NCT06945276
View directory record Official record
Conditions
COVID-19
Interventions
ALG-097558, Dabigatran, Itraconazole, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Hydroxychloroquine as Prophylaxis for COVID-19 in Healthcare Workers (HCQPreP)

NCT04363450
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, Wuhan Coronavirus, Prophylaxis, Healthcare Worker, Sars-CoV2, Hydroxychloroquine
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Lafayette, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 1, 2020 · Synced Sep 23, 2026, 5:02 PM EDT
Enrolling by invitation Phase 2 Interventional

DMSO Dual-Route Therapy for Refractory Tinnitus in Long-COVID and Post-COVID-19 Vaccine Injury

NCT07567274
View directory record Official record
Conditions
Tinnitus
Interventions
DMSO-based otic solution with betahistine, dexamethasone, and lidocaine, DMSO-based transdermal cream with levocarnitine and N-acetylcysteine
Drug
Lead sponsor
Leading Edge Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Recovery of Respiratory System in COVID-19 Patients

NCT04954222
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Reactogenicity, and Immunogenicity Trial of STX-S SARS-CoV-2 Vaccine in Adults

NCT07095231
View directory record Official record
Conditions
COVID-19
Interventions
STX-S
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Rochester, New York • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Terminated Phase 1 Interventional

A Study to Learn About the Study Medicine (Nirmatrelvir Plus Ritonavir) in Pregnant Women With COVID-19

NCT05386472
View directory record Official record
Conditions
COVID-19
Interventions
nirmatrelvir, ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
13
States / cities
Birmingham, Alabama • Cutler Bay, Florida • DeBary, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mindfulness During COVID-19

NCT04319445
View directory record Official record
Conditions
Migraine Disorders, Stress, Anxiety
Interventions
Mindfulness session(s)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 23, 2026, 5:02 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 Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Public Support for COVID-19 Test Allocation

NCT05185687
View directory record Official record
Conditions
Health Equity, COVID-19
Interventions
First Come, First Served, Random, Disadvantaged Priority & Random
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2,019 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Not listed No phase listed Observational

IgG/IgM Antibody Test in Patients Who Have Tested Negative or Positive for COVID-19 With the Standard Method of COVID19 Testing.

NCT04402814
View directory record Official record
Conditions
SARS-CoV 2
Interventions
Clungene rapid test cassette
Diagnostic Test
Lead sponsor
Fadi Haddad, M.D.
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
3
States / cities
La Mesa, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 26, 2020 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 3 Interventional Results available

MP0420 for Inpatients With COVID-19 (An ACTIV-3/TICO Treatment Trial)

NCT05780463
View directory record Official record
Conditions
COVID-19
Interventions
MP0420, Placebo, Remdesivir
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
73
States / cities
Tucson, Arizona • Chula Vista, California • Fresno, California + 52 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Lung Ultrasound Implementation in the Management of Patients Hospitalized With COVID-19

NCT04542421
View directory record Official record
Conditions
Covid19
Interventions
Lung ultrasound use in patients hospitalized with COVID
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 12, 2023 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Vaccine Biomarker Study in Multiple Sclerosis

NCT05121662
View directory record Official record
Conditions
Multiple Sclerosis, COVID-19
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Sep 23, 2026, 5:02 PM EDT
Terminated Phase 1 Interventional Results available

Study of Descartes-30 in Acute Respiratory Distress Syndrome

NCT04524962
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Covid19
Interventions
Descartes 30
Biological
Lead sponsor
Cartesian Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Iowa City, Iowa • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

ARMOR Study: COVID-19 Seroprevalence Among Healthcare Workers

NCT04367857
View directory record Official record
Conditions
Covid-19, Coronavirus Infection, Coronavirus
Interventions
COVID-19 Serology, Health Care Worker Survey
Other · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Intranasal Heparin Tolerability Study

NCT04490239
View directory record Official record
Conditions
Covid19
Interventions
Intranasal heparin sodium (porcine)
Drug
Lead sponsor
Joshua Sharp
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
University, Mississippi
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 1 Interventional Results available

A Study to Evaluate Ampion in Patients With Prolonged Respiratory Symptoms Due to COVID-19 (Long COVID)

NCT04880161
View directory record Official record
Conditions
Covid19
Interventions
Ampion, Placebo
Biological · Other
Lead sponsor
Ampio Pharmaceuticals. Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Efficacy, Safety, and Immunogenicity of mRNA-1273 Vaccine in Adults Aged 18 Years and Older to Prevent COVID-19

NCT04470427
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1273, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
30,415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
100
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 79 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional

SUNLIGHT Study: Online Support Groups for MS to Address COVID-19

NCT04379661
View directory record Official record
Conditions
MS (Multiple Sclerosis), COVID-19, Support Groups
Interventions
Online support Group
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Sep 23, 2026, 5:02 PM EDT