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Study identifier: NCT06806137 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

A Study on the Immune Response and Safety of the Second Dose of an Investigational Chickenpox Vaccine When Given to Healthy Children 3 Months After a First Dose at 12 to 15 Months of Age

Condition: Chickenpox  ·  Sponsor: GlaxoSmithKline

PhasePhase 3
Planned participants600
Who can joinAll sexes, 12 Months to 15 Months
Healthy volunteersYes

About this study

The purpose of this study is to evaluate the immune response and safety of GSKs investigational varicella vaccine (VNS Vaccine) compared to an already approved varicella vaccine, Varivax (VV), when administered as second dose to healthy children. 3 months after first dose at 12 to 15 months. The study will be conducted in children who have not previously contracted varicella or received a varicella vaccination.

This description comes directly from the study's public registry record.

Talk to the study team

US GSK Clinical Trials Call Center  ·  877-379-3718  ·  GSKClinicalSupportHD@gsk.com

EU GSK Clinical Trials Call Center  ·  +44 (0) 20 89904466  ·  GSKClinicalSupportHD@gsk.com

Always discuss trial participation with your own doctor first.

Locations (6)

GSK Investigational SiteSalvaleón de Higüey, La Altagracia Province, Dominican RepublicRecruiting
GSK Investigational SiteConstanza, Dominican RepublicRecruiting
GSK Investigational SiteSanto Domingo Oeste, Dominican RepublicRecruiting
GSK Investigational SiteSan Pedro Sula, HondurasRecruiting
GSK Investigational SiteTegucigalpa, HondurasRecruiting
GSK Investigational SiteTegucigalpa, HondurasRecruiting

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Source record: clinicaltrials.gov/study/NCT06806137