Clinical Trial

COVID-19 Booster Study in Healthy Adults in Australia

Active, Not Recruiting Phase 3
View on ClinicalTrials.gov →
Summary
This is a double-blinded, randomised study to determine the safety, reactogenicity, and immunogenicity of a bivalent mRNA Moderna COVID-19 vaccine or a protein-based Novavax COVID-19 vaccine given as a fourth dose in healthy adults in Australia.
Protocol Amendment History 7 amendments
This ClinicalTrials.gov record has been amended 7 times since 2022-12-19; most recent amendment 2025-12-09.
Status change: Recruiting → Active, Not Recruiting 2023-10-30
Status change: Not Yet Recruiting → Recruiting 2023-03-05
Trial Details
NCT Number NCT05658523
Lead Sponsor Murdoch Childrens Research Institute
Collaborators: Coalition for Epidemic Preparedness Innovations, The Peter Doherty Institute for Infection and Immunity
Conditions COVID-19
Enrollment 496 participants
Start Date 2023-02-28
Primary Completion 2024-10-13 (estimated)
Study Completion 2026-04 (estimated)
Updated on ClinicalTrials.gov 2026-01-02