COVID-19 Clinical Trial
Official title:
A Randomized, Double-blind, and Positive-controlled Phase III Clinical Trial to Evaluate the Immunogenicity and Safety of SCTV01C (A Bivalent SARS-CoV-2 Trimeric Spike Protein Vaccine) and SCTV01E (A COVID-19 Alpha/Beta/Delta/Omicron Variants S-Trimer Vaccine) in Population Aged ≥18 Years Previously Vaccinated With Either Inactivated or mRNA COVID-19 Vaccine or Previously Diagnosed With COVID-19
The study is a randomized, double-blind, and positive-controlled Phase III booster study. It will evaluate the immunogenicity and safety of one dose of SCTV01C or SCTV01E as booster compared with either one dose of Sinopharm inactivated COVID-19 vaccine (Cohort 1) or one dose of Comirnaty (Cohort 2).
Approximately 1,800 participants aged 18 years old and above will be enrolled in this study. 1,350 participants who previously received Sinopharm inactivated COVID-19 vaccine will be enrolled to Cohort 1. 450 participants who previously received mRNA COVID-19 vaccine or previously diagnosed with COVID-19 will be enrolled to Cohort 2. ;
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