COVID-19 Clinical Trial
Official title:
A Randomized, Open, Control Phase ⅠV Clinical Trial, to Evaluate One Booster Immunization of Inactivated COVID-19 Vaccine (CoronaVac) or Original Vaccine in Adults Aged 18-45 Years Old Previously Vaccinated With Inactivated COVID-19 Vaccine From Difference Manufactures
This is a randomized, Open, control phase Ⅳ clinical trial of inactivated COVID-19 vaccine manufactured by Sinovac Research & Development Co., Ltd,Beijing institute of Biological Products Co.,Ltd and Wuhan Institute of Biological Products Co.,Ltd.The purpose of this study is to explore booster Immunization of SARS-CoV-2 Inactivated Vaccine from different manufactures in adults aged 18-45 years old Previously Vaccinated with inactivated COVID-19 vaccine
This study a randomized, Open, control phase Ⅳclinical trial of inactivated COVID-19 vaccine .The purpose of this study is to explore booster Immunization of SARS-CoV-2 inactivated vaccine from different manufactures in adults aged 18-45 years old previously vaccinated with inactivated COVID-19 vaccine.A total of 480 subjects who have completed vaccination of two doses of inactivated COVID-19 vaccine for 6 to 8 months will be enrolled.In this study ,96 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research & Development Co.,Ltd. will receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research & Development Co.,Ltd.(experimental group 1).192 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Beijing institute of Biological Products Co.,Ltd. will be randomly divided into two groups (experimental group 2 and experimental group 3) in a 1:1 ratio and receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research & Development Co.,Ltd. and Beijing institute of Biological Products Co., Ltd,respectively.192 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Wuhan Institute of Biological Products Co.,Ltd.will be randomly divided into two groups(experimental group 4 and experimental group 5) in a 1:1 ratio and receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research & Development Co.,Ltd. and Wuhan Institute of Biological Products Co.,Ltd. ;
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