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Clinical Trial Summary

The Recombinant COVID-19 (XBB) Trimer Protein Vaccine (Sf9 Cell) developed by WestVac Biopharma Co., Ltd. is a monovalent modified vaccine designed against Omicron XBB.1.5. This is a multi-center, randomized, double-blind, placebo-controlled phase 3 clinical study with two cohorts, i.e. the immuno-bridging observational cohort and the efficacy observational cohort, aims to evaluate the efficacy, safety, and immunogenicity of booster vaccination with Recombinant COVID-19 (XBB) Trimer Protein Vaccine (Sf9 Cell) for the prevention of SARS-CoV-2 infection in a population of 18 years of age and older.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT06175494
Study type Interventional
Source WestVac Biopharma Co., Ltd.
Contact Fengcai Zhu, Medical
Phone +86 139 5199 4867
Email jszfc@jscdc.cn
Status Recruiting
Phase Phase 3
Start date December 19, 2023
Completion date January 31, 2025

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