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ClinicalTrials.gov public records Last synced Nov 13, 2026, 2:46 PM EST

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Showing 1–24 of 2,347 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: COVID-19 Infection Clear all
Terminated Phase 2 Interventional

INvestigating TELmisartin Study

NCT04715763
View directory record Official record
Conditions
Covid19
Interventions
Telmisartan Oral Product, Placebo
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jul 1, 2022 · Synced Nov 13, 2026, 2:46 PM EST
Completed Not applicable Interventional

Brain-Training Treatment for Long COVID in Older Adults

NCT05705193
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome
Interventions
NeuroFlex (computerized gamified tasks)
Other
Lead sponsor
UConn Health
Other
Eligibility
60 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Nov 13, 2026, 2:46 PM EST
Completed No phase listed Observational

Risks of Bacterial and Fungal Superinfection in Patients With COVID-19

NCT05256316
View directory record Official record
Conditions
COVID-19
Interventions
Previously admitted COVID-19 patients in intensive care units
Other
Lead sponsor
The University of Queensland
Other
Eligibility
18 Years and older
Enrollment
790 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Nov 13, 2026, 2:46 PM EST
Completed Phase 3 Interventional Results available

Octagam 10% Therapy in COVID-19 Patients With Severe Disease Progression

NCT04400058
View directory record Official record
Conditions
Covid-19
Interventions
Octagam 10%, Saline Solution
Biological · Other
Lead sponsor
Octapharma
Industry
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
15
States / cities
Sheffield, Alabama • Loma Linda, California • Newport Beach, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Nov 13, 2026, 2:46 PM EST
Terminated Phase 2 Interventional Results available

Convalescent Plasma as Treatment for Hospitalized Subjects With COVID-19 Infection

NCT04343755
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Nov 13, 2026, 2:46 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A COVID-19 Study to Evaluate Safety and PK of COVID-HIG Administered Through IM, SC, or IV Routes to SARS-CoV-2 Uninfected Adults

NCT05142306
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
COVID-HIG
Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 59 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Miami, Florida • Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Nov 13, 2026, 2:46 PM EST
Completed Phase 2 Interventional Results available

Sargramostim Use in COVID-19 to Recover Patient Health

NCT04707664
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Sargramostim, Placebo
Drug
Lead sponsor
Partner Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
34
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Canoga Park, California + 30 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2023 · Synced Nov 13, 2026, 2:46 PM EST
Terminated Phase 2 Interventional Results available

Poractant Alfa (Curosurf®)) -- Effect in Adult Patients Diagnosed With 2019 Novel Coronavirus (SARS-COV-19; (Covid-19)) Acute Respiratory Distress Syndrome (ARDS)

NCT04502433
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
CUROSURF® (poractant alfa)
Drug
Lead sponsor
Chiesi Farmaceutici S.p.A.
Industry
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 23, 2023 · Synced Nov 13, 2026, 2:46 PM EST
Completed Phase 3 Interventional Accepts healthy volunteers

Vitamin D for COVID-19 Trial

NCT04536298
View directory record Official record
Conditions
COVID-19
Interventions
vitamin D, Placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2,024 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Nov 13, 2026, 2:46 PM EST
Completed Early Phase 1 Interventional

Immune Response to the COVID-19 Vaccine

NCT04936997
View directory record Official record
Conditions
Covid19, Cancer, Malignancy, Vaccine Response Impaired
Interventions
SARS-COV2 Pfizer Vaccine
Biological
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 20, 2022 · Synced Nov 13, 2026, 2:46 PM EST
Completed Not applicable Interventional

A Clinical Study to Assess the Natural History of COVID-19 and Effects of KB109 and Supportive Self-care in Outpatients With Mild-to-moderate COVID-19

NCT04414124
View directory record Official record
Conditions
Mild-to-moderate COVID-19
Interventions
KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
16
States / cities
Hot Springs, Arkansas • Riverside, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Nov 13, 2026, 2:46 PM EST
Completed Not applicable Interventional

Proning Early in Awake COVID-19 Hypoxic Respiratory Failure (PREACHR) Study

NCT05130541
View directory record Official record
Conditions
Covid19, Respiratory Failure
Interventions
Proning, Supportive Care
Behavioral · Other
Lead sponsor
New York Hospital Queens
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Flushing, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Nov 13, 2026, 2:46 PM EST
Terminated Phase 4 Interventional

Nebulized Heparin for the Treatment of COVID-19 Induced Lung Injury

NCT04397510
View directory record Official record
Conditions
Covid-19, ARDS, Human, Acute Lung Injury
Interventions
Heparin, 0.9% Sodium-chloride
Drug
Lead sponsor
Frederick Health
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Frederick, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Nov 13, 2026, 2:46 PM EST
Recruiting No phase listed Observational Accepts healthy volunteers

The Impact of COVID-19 on Pulmonary Procedures

NCT05022446
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Nov 13, 2026, 2:46 PM EST
Recruiting Phase 2Phase 3 Interventional

Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)

NCT05855369
View directory record Official record
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Nov 13, 2026, 2:46 PM EST
Terminated Phase 3 Interventional Results available

Treatment of Long CoronaVirus Disease (COVID) (TLC) Feasibility Trial

NCT05946551
View directory record Official record
Conditions
COVID-19
Interventions
Cetirizine, Famotidine, Cetirizine Placebo, Famotidine Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Nov 13, 2026, 2:46 PM EST
Completed No phase listed Observational

Dornase Alfa Administered to Patients With COVID-19 (DACOVID)

NCT04387786
View directory record Official record
Conditions
COVID-19, Mechanical Ventilation
Interventions
Dornase Alfa
Drug
Lead sponsor
Feinstein Institute for Medical Research
Other
Eligibility
18 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Nov 13, 2026, 2:46 PM EST
Completed Phase 4 Interventional

Hydroxychloroquine and Zinc With Either Azithromycin or Doxycycline for Treatment of COVID-19 in Outpatient Setting

NCT04370782
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine, Azithromycin, Zinc Sulfate, Doxycycline
Drug
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
30 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Nov 13, 2026, 2:46 PM EST
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Mobile App in House Staff Health and Well-being During COVID-19 Pandemic

NCT04374786
View directory record Official record
Conditions
Perceived Stress, Anxiety, Sleep Disturbance, Burnout, PTSD
Interventions
Calm Meditation App
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Nov 13, 2026, 2:46 PM EST
Completed Not applicable Interventional Results available

COVID-19 Patient Positioning Pragmatic Trial

NCT04359797
View directory record Official record
Conditions
COVID-19
Interventions
Prone, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Highland Park, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 27, 2021 · Synced Nov 13, 2026, 2:46 PM EST
Terminated Not applicable Interventional Results available

SMILE: Clinical Trial to Evaluate Mindfulness as Intervention for Racial and Ethnic Populations During COVID-19

NCT06242080
View directory record Official record
Conditions
Anxiety, COVID-19 Pandemic
Interventions
Mindfulness
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Nov 13, 2026, 2:46 PM EST
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Brilacidin in Hospitalized Participants With COVID-19

NCT04784897
View directory record Official record
Conditions
COVID-19
Interventions
Brilacidin, Placebo, Standard of Care (SoC)
Drug
Lead sponsor
Innovation Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Winfield, Illinois • Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 16, 2022 · Synced Nov 13, 2026, 2:46 PM EST
Not listed Not applicable Interventional

Proportional Open Ventilation (POV) Device and Its Efficacy in Managing Acute Respiratory Failure in COVID-19 Patients

NCT04581161
View directory record Official record
Conditions
Acute Respiratory Failure, Covid19
Interventions
Life2000® Ventilator
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 9, 2020 · Synced Nov 13, 2026, 2:46 PM EST