Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 29, 2026, 11:50 PM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Conditions
COVID-19
Interventions
SARS-CoV-2 rS - Phase 1, SARS-CoV-2 rS/Matrix-M Adjuvant - Phase 1, Normal saline solution (NSS), Placebo - Phase 1, Normal saline solution (NSS), Placebo - Phase 2, SARS-CoV-2 rS/Matrix-M Adjuvant, Day 0 - Phase 1, Normal saline solution (NSS), Placebo, Day 21 - Phase 1, SARS-CoV-2 rS/Matrix-M Adjuvant - Phase 2
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 84 Years
Enrollment
1,419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
8
States / cities
Savannah, Georgia • Meridian, Idaho • Newton, Kansas + 5 more
Conditions
SARS-CoV Infection, Covid19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo (Initial Vaccination Period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Crossover Vaccination period), Placebo (Crossover Vaccination period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Booster Vaccination), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Second Booster Vaccination)
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
12 Years and older
Enrollment
33,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
144
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tempe, Arizona + 110 more
Completed Phase 3 Interventional Accepts healthy volunteers

A Strain Change Study for SARS-CoV-2 rS Vaccines

NCT06409663
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
Interventions
NVX-CoV2705 Vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Phoenix, Arizona • Austin, Texas
Conditions
COVID-19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
6 Months to 11 Years
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
47
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 41 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
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Compare the Immunogenicity and Safety of 3 Lots of NVX-CoV2373 in Adults

NCT05463068
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
NVX-Cov2373
Drug
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
911 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
30
States / cities
Long Beach, California • Sacramento, California • DeLand, Florida + 26 more
Conditions
COVID-19
Interventions
NVX-CoV2373 (5μg), NVX-CoV2601(5μg), NVX-CoV2601(35μg), NVX-CoV2601(50μg), Bivalent BA.4/5
Biological
Lead sponsor
Novavax
Industry
Eligibility
50 Years to 99 Years
Enrollment
994 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
50
States / cities
Birmingham, Alabama • Tucson, Arizona • Banning, California + 44 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines

NCT04889209
Conditions
COVID-19
Interventions
Ad26.COV2.S, BNT162b2, mRNA-1273, mRNA-1273.211, mRNA-1273.222, SARS-CoV-2 rS/M1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
867 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
10
States / cities
Decatur, Georgia • Baltimore, Maryland • New York, New York + 6 more