Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 5, 2026, 6:19 PM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Adolescent Study for SARS-CoV-2 rS Variant Vaccines

NCT05973006
Conditions
COVID-19
Interventions
NVX-CoV2601 co-formulated Omicron XBB.1.5 SARS-CoV-2 rS vaccine, Prototype/XBB.1.5 Bivalent Vaccine (5 µg)
Biological
Lead sponsor
Novavax
Industry
Eligibility
11 Years to 18 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
20
States / cities
Davie, Florida • Jacksonville, Florida • Miami, Florida + 17 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Study of Novavax Vaccine(s) as Booster Dose After mRNA Vaccines

NCT05875701
Conditions
COVID-19
Interventions
NVX-CoV2373, SARS-CoV-2 rS antigen/Matrix-M Adjuvant
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
5
States / cities
Austin, Texas • Fort Worth, Texas • Plano, Texas + 1 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
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