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Study identifier: NCT06740630 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age

Condition: Chickenpox  ·  Sponsor: GlaxoSmithKline

PhasePhase 3
Planned participants1840
Who can joinAll sexes, 12 Months to 15 Months
Healthy volunteersYes

About this study

The purpose of this study is to assess the consistency of immune response to three different lots of GSK's investigational varicella vaccine (VNS Vaccine), and to compare the safety and immune response of VNS vaccine to an already approved varicella vaccine (VV) known as Varivax. The study will be conducted in healthy children aged 12 to 15 months, who have neither contracted varicella nor 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 (97)

GSK Investigational SiteMobile, Alabama, United StatesRecruiting
GSK Investigational SiteHot Springs, Arkansas, United StatesRecruiting
GSK Investigational SiteSherwood, Arkansas, United StatesRecruiting
GSK Investigational SiteCanoga Park, California, United StatesRecruiting
GSK Investigational SiteCovina, California, United StatesRecruiting
GSK Investigational SiteFullerton, California, United StatesWithdrawn
GSK Investigational SiteLong Beach, California, United StatesWithdrawn
GSK Investigational SiteLos Angeles, California, United StatesRecruiting
GSK Investigational SiteParamount, California, United StatesWithdrawn
GSK Investigational SiteSacramento, California, United StatesRecruiting
GSK Investigational SiteVentura, California, United StatesRecruiting
GSK Investigational SiteWalnut Creek, California, United StatesRecruiting

+ 85 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06740630