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Study identifier: NCT06855160 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine and a Marketed Measles, Mumps and Rubella Vaccine When Administered as Intramuscular Injection to Healthy Children 12 to 15 Months of Age

Condition: Chickenpox  ·  Sponsor: GlaxoSmithKline

PhasePhase 3
Planned participants911
Who can joinAll sexes, 12 Months to 15 Months
Healthy volunteersYes

About this study

This study aims to assess the immune response and safety of GSK's candidate chickenpox and marketed MMR vaccines when given to children 12 to 15 months of age via a muscle injection. It compares the GSK vaccines to Merck's chickenpox vaccine, administered just under the skin. Additionally, the study will evaluate the immune response and safety of giving the GSK vaccines along with other childhood vaccines through a muscle injection.

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 (22)

GSK Investigational SiteTucson, Arizona, United StatesRecruiting
GSK Investigational SiteHuntington Park, California, United StatesRecruiting
GSK Investigational SiteSherman Oaks, California, United StatesRecruiting
GSK Investigational SiteCoral Gables, Florida, United StatesRecruiting
GSK Investigational SiteMiami Lakes, Florida, United StatesRecruiting
GSK Investigational SiteTampa, Florida, United StatesRecruiting
GSK Investigational SiteIdaho Falls, Idaho, United StatesRecruiting
GSK Investigational SiteDayton, Ohio, United StatesRecruiting
GSK Investigational SiteHouston, Texas, United StatesRecruiting
GSK Investigational SiteLewisville, Texas, United StatesRecruiting
GSK Investigational SiteMansfield, Texas, United StatesRecruiting
GSK Investigational SitePharr, Texas, United StatesRecruiting

+ 10 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06855160