Clinical Trial: Long-term Effectiveness of the Live Attenuated Herpes Zoster Vaccine

U.S., May 14 -- ClinicalTrials.gov registry received information related to the study (NCT07585370) titled 'Long-term Effectiveness of the Live Attenuated Herpes Zoster Vaccine' on May 07.

Brief Summary: This is a multicenter retrospective cohort study to evaluate the long-term effectiveness of the live attenuated herpes zoster vaccine within 6 years after vaccination. We plan to select 24,740 participants who were non-herpes zoster cases in the modified Full Analysis Set for Efficacy (E-mFAS) from the Phase III Clinical Trial (NCT04334577) of the live attenuated herpes zoster vaccine manufactured by Changchun BCHT Biotechnology Co. conducted during 2020-2021. In the original Phase III Clinical Trial, the participants were randomly assigne...