A Study to Evaluate The Efficacy, Safety and Immunogenicity of Inactivated SARS-CoV-2 Vaccines (Vero Cell) in Healthy Population Aged 18 Years Old and Above

Summary

This is a multicenter, randomized, double blind, parallel placebo controlled, phase 3 clinical trial to evaluate the protective efficacy, safety and immunogenicity of inactivated SARS-CoV-2 vaccines in healthy population 18 years old and above.

Timeline

Start

2020-07-16

Primary completion

2021-06-16

Completion

2021-12-31

Outcome

Met primary endpoint

paper vaccine efficacy, compared with alum-only, of 72.8% (95% CI, 58.1%-82.4%) for WIV04 and 78.1% (95% CI, 64.8%-86.3%) for HB02 (P < .001 for both). PMID 34037666 ↗

Publications

• Al Kaabi N, Yang Y, Eldin Hussein S, Yang T, Abdalla J, Wang H, Lou Z, Chinese Center For Disease Control And Prevention, Bakkour A, Arafat A, China National Biotec Group Company Limited, Jiang Z, Tian Y, National Engineering Technology Research Center For Combined Vaccines Wuhan Institute Of Biological Products Co Ltd, Beijing Institute Of Biological Products Company Limited, Xiao P, Zaher W, Eltantawy I, Wang C, Xu G, Zhang Y, Yang X. Efficacy and Safety of a Booster Vaccination with Two Inactivated SARS-CoV-2 Vaccines on Symptomatic COVID-19 Infection in Adults: Results of a Double-Blind, Randomized, Placebo-Controlled, Phase 3 Trial in Abu Dhabi. Vaccines (Basel). 2023 Jan 30;11(2):299. doi: 10.3390/vaccines11020299.
• Luan N, Li T, Wang Y, Cao H, Yin X, Lin K, Liu C. Th2-Oriented Immune Serum After SARS-CoV-2 Vaccination Does Not Enhance Infection In Vitro. Front Immunol. 2022 Apr 8;13:882856. doi: 10.3389/fimmu.2022.882856. eCollection 2022.
• Al Kaabi N, Zhang Y, Xia S, Yang Y, Al Qahtani MM, Abdulrazzaq N, Al Nusair M, Hassany M, Jawad JS, Abdalla J, Hussein SE, Al Mazrouei SK, Al Karam M, Li X, Yang X, Wang W, Lai B, Chen W, Huang S, Wang Q, Yang T, Liu Y, Ma R, Hussain ZM, Khan T, Saifuddin Fasihuddin M, You W, Xie Z, Zhao Y, Jiang Z, Zhao G, Zhang Y, Mahmoud S, ElTantawy I, Xiao P, Koshy A, Zaher WA, Wang H, Duan K, Pan A, Yang X. Effect of 2 Inactivated SARS-CoV-2 Vaccines on Symptomatic COVID-19 Infection in Adults: A Randomized Clinical Trial. JAMA. 2021 Jul 6;326(1):35-45. doi: 10.1001/jama.2021.8565.

Drugs

Indications