Clinical Trial

Correlation of Protection Against Varicella in an Exploratory Study

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Summary
This study consists of two parts. Part 1 is a retrospective cohort study and part 2 is a prospective cohort study. In Part 1 ,the scaled logit model was used to assess the correlation between varicella-zoster virus (VZV) antibody titers using fluorescent-antibody-to-membrane-antigen assay (FAMA) 30 days after varicella vaccine immunization and the risk of subsequent varicella breakout/disease , to determine the protective threshold for achieving FAMA antibodies. Part 2 was to validate the model in part 1.
Protocol Amendment History 1 amendment
This ClinicalTrials.gov record has been amended once since 2024-06-25.
Trial Details
NCT Number NCT06482216
Lead Sponsor Sinovac (Dalian) Vaccine Technology Co., Ltd.
Conditions Varicella
Enrollment 400 participants
Start Date 2025-10-10
Primary Completion 2027-05-10 (estimated)
Study Completion 2028-10-10 (estimated)
Updated on ClinicalTrials.gov 2025-01-27