COVID-19 Clinical Trial
Official title:
Anhui Zhifei Longcom Biologic Pharmacy co. Ltd.
The study was designed as a randomized, blind and controlled trial. A total of 300 patients aged 18 and above who were immunized with recombinant novel coronavirus protein vaccine (CHO cell) for more than 4 months (60 patients aged 60 and above) were randomly and blind divided into the experimental group and the control group, and received the experimental vaccine and the control vaccine, respectively. In addition, 100 patients over 4 months after the completion of basic immunization with COVID-19 mRNA vaccine were selected as the open observation group, all of whom received 1 dose of experimental vaccine.
The improved vaccine was developed against the Delta and Omicron COVID-19 variants. The overall design of this clinical trial was as follows: A total of 300 patients aged 18 and above who completed the basic immunization of recombinant novel coronavirus protein vaccine (CHO cell) for more than 4 months were randomly divided into the experimental group and the control group in a blind way, and were inoculated with the experimental vaccine and the control vaccine respectively. In addition, 100 patients over 4 months after the completion of basic immunization with COVID-19 mRNA vaccine were selected as the open observation group, all of whom received 1 dose of experimental vaccine. The main objective was to evaluate the immunogenicity and safety of Omicron-Delta recombinant novel coronavirus protein vaccine (CHO cells) against Omicron variants of novel coronavirus in people aged 18 years and above. ;
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