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A Multicenter Study to Evaluate Safety and Immunogenicity of a Live-attenuated Chikungunya Vaccine in Adolescents

Butantan Institute · 2022
ClinicalTrials.gov · Datasets · License: Public Domain · 2022
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chikungunya
This was a prospective, randomized, double-blinded, multicenter, pivotal study evaluating the full dose of VLA1553 (1 x10E4 TCID50 per dose) in comparison to a placebo control. The dose of VLA1553 or control was administered as single vaccination on Day 1. Overall, approximately 750 male and female participants aged 12 years to \<18 years were enrolled into the study. After completion of the trial, a Post Trial Access program was performed to offer the VLA1553 vaccine to all placebo recipients.
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