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A Real-world Study to Evaluate the Safety and Immunogenicity of a Third-dose Booster After Two Doses of an Inactivated COVID-19 Vaccine

COVID-19 Clinical Trial

Official title:
A Real-world Study to Evaluate the Safety and Immunogenicity of a Third-dose Booster After Two Doses of an Inactivated COVID-19 Vaccine

Clinical Trial Summary

This project is a prospective observational real-world study, recruiting and screening subjects who have completed 2 doses of the COVID-19 vaccine for more than 6 months and receive the third dose of the vaccine voluntarily into the clinical cohort of this study. Subjects received a third dose of the COVID-19 vaccine will be enrolled in the study and followed up for 1 year at baseline (day 0) before vaccine injection, 28 days after injection, 90 days, 270 days after injection. On the 365th day, blood samples were collected for the detection of anti-SARS-CoV-2 antibodies and other related indicators to evaluate the immune protection effect.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05493917
Study type Observational
Source Huashan Hospital
Contact
Status Recruiting
Phase
Start date November 3, 2021
Completion date December 31, 2022
View Details
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