Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 11:36 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 217–240 of 271 matching trials from the live ClinicalTrials.gov search.
Conditions
Covid19
Interventions
F-652, Placebo
Biological
Lead sponsor
EVIVE Biotechnology
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Covid19
Interventions
hMSC
Biological
Lead sponsor
Stemedica Cell Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Fullerton, California • Santa Monica, California
Completed Phase 3 Interventional Results available

The Prevent Severe COVID-19 (PRESECO) Study

NCT04600895
Conditions
Covid19
Interventions
Favipiravir, Placebo
Drug
Lead sponsor
Appili Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
25
States / cities
Pelham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 14 more
Not listed No phase listed Observational Accepts healthy volunteers

Bioaerosol Sampling Device (BSD) Clinical Study

NCT06047067
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Cantor BioConnect, Inc.
Network
Eligibility
5 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
6
States / cities
South Gate, California • Hollywood, Florida • Pembroke Pines, Florida + 2 more
Completed No phase listed Observational Results available

The Impact of Vaccination on Severity of Illness in COVID-19

NCT04912700
Conditions
Covid19
Interventions
COVID-19 vaccine
Biological
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
11,834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
COVID-19
Interventions
ELISA, RT-PCR
Diagnostic Test
Lead sponsor
Igenomix
Industry
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Boston, Massachusetts • Pleasant Grove, Utah
Conditions
Covid-19
Interventions
HCQ, HCQ+AZT, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
7
States / cities
Fullerton, California • Los Angeles, California • Chicago, Illinois + 4 more
Conditions
COVID, Covid-19, Coronavirus, Coronavirus Infection, Severe Acute Respiratory Syndrome, Severe Acute Respiratory Syndrome Coronavirus 2, Sars-CoV2, Ards, Acute Respiratory Distress Syndrome
Interventions
APL-9, Vehicle Control
Drug · Other
Lead sponsor
Apellis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
16
States / cities
Fresno, California • San Francisco, California • Jacksonville Beach, Florida + 12 more
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Melatonin and Vitamin C on COVID-19

NCT04530539
Conditions
Covid19, SARS-CoV Infection
Interventions
Vitamin C, melatonin, Placebo, Symptom Survey
Dietary Supplement · Other
Lead sponsor
Lancaster General Hospital
Other
Eligibility
50 Years and older
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Terminated Phase 2 Interventional Results available

COVID-19 and Anti-CD14 Treatment Trial

NCT04391309
Conditions
Coronavirus Disease 2019 (COVID-19), Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
Interventions
anti-CD14, Placebo, remdesivir
Biological · Other · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Sarasota, Florida • Seattle, Washington
Conditions
COVID-19, Lung Infection
Interventions
Opaganib, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 80 Years
Enrollment
475 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Healthy Participants
Interventions
S-892216-LAI, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 55 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
3
States / cities
Cypress, California • Lenexa, Kansas • Salt Lake City, Utah
Completed Phase 1Phase 2 Interventional Results available

Treat COVID-19 Patients With Regadenoson

NCT04606069
Conditions
COVID-19, Lung Inflammation
Interventions
Regadenoson, Placebo Control
Drug · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
COVID-19
Interventions
REGN10933+REGN10987 combination therapy, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
2,252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
96
States / cities
Birmingham, Alabama • Chandler, Arizona • Phoenix, Arizona + 70 more
Conditions
Coronavirus Disease (COVID-19)
Interventions
Molnupiravir, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
3,082 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
71
States / cities
Cullman, Alabama • Paradise Valley, Arizona • Phoenix, Arizona + 58 more
Conditions
COVID-19
Interventions
Hydroxychloroquine, Azithromycin
Drug
Lead sponsor
LCMC Health
Other
Eligibility
18 Years to 100 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Coronavirus Infection
Interventions
Selinexor, Placebo
Drug · Other
Lead sponsor
Karyopharm Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
20
States / cities
Los Angeles, California • Oakland, California • Sacramento, California + 15 more
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Coronavirus Disease 2019 (COVID-19), Immunocompromised, Hospitalization, Child, Hospitalized
Interventions
Nirmatrelvir, Ritonavir, Placebo for nirmatrelvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Cooperstown, New York • New York, New York
Conditions
COVID-19, COVID19, Sars-CoV2, SARS-Cov-2
Interventions
Hydroxychloroquine, Placebo
Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19
Interventions
casirivimab+imdevimab
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
1 Minute to 12 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
7
States / cities
Anaheim, California • Miami, Florida • Stony Brook, New York + 4 more
Conditions
SARS-CoV Infection, COVID-19
Interventions
Mitoquinone/mitoquinol mesylate, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Conditions
COVID-19
Interventions
Hydroxychloroquine, Azithromycin
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
COVID-19
Interventions
PF-06650833, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut