Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:32 AM EDT

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Showing 145–168 of 326 matching trials from the live ClinicalTrials.gov search.
Conditions
Covid19, SARS (Severe Acute Respiratory Syndrome), SARS-CoV Infection, SARS-CoV-2
Interventions
Biological: oral polio vaccine, Comparable Placebo, NA-831, Comparable Placebo of drug, Combination of oral polio vaccine and NA-831, Comparable Placebo of Oral Polio Vaccine and Placebo of drug
Biological · Drug · Combination Product
Lead sponsor
Biomed Industries, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
8
States / cities
Los Angeles, California • Orange, California • Palo Alto, California + 4 more
Active, not recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Study of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine in Adults

NCT04636697
Conditions
SARS-CoV-2 Infection
Interventions
Intramuscular injection, Intramuscular vaccine
Drug · Biological
Lead sponsor
Medicago
Industry
Eligibility
18 Years and older
Enrollment
30,918 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
45
States / cities
Birmingham, Alabama • Tempe, Arizona • Canoga Park, California + 39 more
Conditions
COVID-19
Interventions
XBB.1.5 Vaccine (Booster), XBB.1.5 Vaccine (single dose)
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 54 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
30
States / cities
Mobile, Alabama • Sacramento, California • Colorado Springs, Colorado + 26 more
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
Conditions
Multiple Myeloma, Waldenstrom Macroglobulinemia, Immune System Disorder, Covid19
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
146 participants
Timeline
2021 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b5 Bivalent (WT/OMI BA.2), BNT162b2 Bivalent (WT/OMI BA.1), BNT162b2 Bivalent (WT/OMI BA.4/BA.5), BNT162b5 Bivalent (Original/OMI BA.4/BA.5), BNT162b6 Bivalent (Original/OMI BA.4/BA.5), BNT162b7 Bivalent (Original/OMI BA.4/BA.5), BNT162b7 Monovalent (OMI BA.4/BA.5)
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
1,453 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
31
States / cities
Anaheim, California • San Diego, California • Valley Village, California + 26 more
Conditions
COVID-19, Pneumonia
Interventions
Heparin
Drug
Lead sponsor
University of Manitoba
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
13
States / cities
Atlanta, Georgia • Chicago, Illinois • Jefferson, Louisiana + 10 more
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Pharm-Olam, LLC
Industry
Eligibility
12 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
6
States / cities
Boston, Massachusetts • Omaha, Nebraska • Syracuse, New York + 3 more
Conditions
SARS CoV 2 Infection, COVID-19
Interventions
Pfizer/BioNTech (BNT162b2), Moderna
Biological
Lead sponsor
DHR Health Institute for Research and Development
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Brownsville, Texas • Edinburg, Texas • Rio Grande City, Texas
Not listed Not applicable Interventional Accepts healthy volunteers

COVID-19 Vaccine Hesitancy Among African Americans

NCT04801030
Conditions
Covid19, Vaccine Refusal, Communication
Interventions
YourCoViDVaxFacts
Behavioral
Lead sponsor
Meharry Medical College
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Relapsing Multiple Sclerosis (RMS)
Interventions
Ofatumumab, mRNA COVID-19 vaccine, interferon or glatiramer acetate
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
Phoenix, Arizona • Hollywood, Florida • Wellesley, Massachusetts + 4 more
Conditions
Immunization
Interventions
Exercise
Behavioral
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Ames, Iowa
Conditions
Vaccine Hesitancy, Climate Change
Interventions
Social diffusion intervention
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

A Study to Learn About a COVID-19 Vaccine in Healthy Adults 50 Through 64 Years of Age

NCT07300839
Conditions
COVID-19, SARS-COV-2 Infection
Interventions
BNT162b2 Vaccine, Placebo
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
50 Years to 64 Years
Enrollment
5,240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
196
States / cities
Anniston, Alabama • Athens, Alabama • Birmingham, Alabama + 148 more
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Immunogenicity, and Efficacy of INO-4800 for COVID-19 in Adults at High Risk of SARS-CoV-2 Exposure

NCT04642638
Conditions
Coronavirus Infection, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), COVID-19 Disease
Interventions
INO-4800, CELLECTRA® 2000, Placebo
Drug · Device
Lead sponsor
Inovio Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
16
States / cities
Chandler, Arizona • Phoenix, Arizona • Tempe, Arizona + 12 more
Conditions
COVID-19
Interventions
CVXGA
Biological
Lead sponsor
CyanVac LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
10
States / cities
San Diego, California • Boise, Idaho • Sioux City, Iowa + 7 more
Completed Not applicable Interventional Results available

COVID-19 Vaccine Text Outreach

NCT04834726
Conditions
Covid19
Interventions
Opt-In (Call-Back), Opt-in (In-Bound), Standard Message, Clinician Endorsement, Scarcity, Opt-Out Framing, Phone Call
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
16 Years and older
Enrollment
19,554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Vaccine Uptake Trial

NCT05419232
Conditions
Vaccination Refusal, COVID-19
Interventions
Short Message Service (SMS) + Website Link Strategy, Phone Call with Peer Strategy
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
8
States / cities
Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

Boost Intentions and Facilitate Action to Promote COVID-19 Booster Take-up

NCT05586204
Conditions
COVID-19, Vaccines
Interventions
Eligibility reminder, Link to a narrow set of vaccine venues, Link to a broad set of vaccine venues, Doctors' recommendation and value of vaccine
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
154,977 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Covid19
Interventions
CVXGA1 low dose, CVXGA1 high dose
Biological
Lead sponsor
CyanVac LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Bardstown, Kentucky • Rochester, New York • Cincinnati, Ohio + 1 more
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

CORVax12: SARS-CoV-2 Spike (S) Protein Plasmid DNA Vaccine Trial for COVID-19 (SARS-CoV-2)

NCT04627675
Conditions
SARS-CoV-2
Interventions
CORVax, IL-12 plasmid, Cliniporator
Drug · Device
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Conditions
COVID-19, Vaccine Hesitancy
Interventions
Health Communication, Health Communication + Structural
Behavioral
Lead sponsor
Marc Kiviniemi
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Hazard, Kentucky
Conditions
Rheumatoid Arthritis, Psoriatic Arthritis, Spondylarthritis
Interventions
Upadacitinib, Abatacept, Secukinumab, Tofacitinib, TNF Inhibitor, Canakinumab Injection, Baricitinib, Ixekizumab
Drug
Lead sponsor
Jeffrey Curtis
Other
Eligibility
18 Years to 85 Years
Enrollment
841 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
8
States / cities
Birmingham, Alabama • Hoover, Alabama • Phoenix, Arizona + 4 more
Terminated No phase listed Observational Accepts healthy volunteers

Conversations You Want About Corona Virus Disease (COVID-19)

NCT05191420
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina