COVID-19 Clinical Trial
Official title:
A Randomized, Double-blind Phase II 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 ≥12 Years Previously Fully Vaccinated With Inactivated COVID-19 Vaccine
The objective of study is to evaluate the immunogenicity and safety of SCTV01C or SCTV01E as booster compared with Sinopharm inactivated COVID-19 vaccine as booster. The study will also evaluate the immunogenicity and safety of 2-dose vaccinations.
The study is a randomized, double-blind, and approved vaccine-controlled Phase II booster study. It will evaluate the immunogenicity and safety of one dose of SCTV01C or SCTV01E as booster compared with one dose of Sinopharm inactivated COVID-19 vaccine or one dose of Commirnaty as booster. The study will also evaluate the immunogenicity and safety of 2-dose vaccinations (1-dose of SCTV01C and 1-dose of SCTV01E, or 2-dose of SCTV01E, or 1-dose of Sinopharm inactivated COVID-19 vaccine and 1-dose of SCTV01E, 1-dose of Comirnaty and 1-dose of SCTV01E). ;
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