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Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of QIVc in Subjects ≥2 to <18 Years of Age

Influenza, Human Clinical Trial

Official title:
A Phase III/IV, Stratified, Randomized, Observer Blind, Multicenter Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of a Cell-Based Quadrivalent Subunit Influenza Virus Vaccine Compared to Non-Influenza Comparator Vaccine in Subjects ≥2 to <18 Years of Age

Clinical Trial Summary

This Phase 3/4, randomized, observer-blind, multi-center study, stratified study evaluated the immune (antibody) response, efficacy and safety of a cell-derived quadrivalent subunit influenza virus vaccine (Seqirus QIVc) in comparison with a non-influenza comparator, meningococcal serogroup A, C, W-135, and Y (Menveo®, GlaxoSmithKline Biologicals, S.A.) in healthy pediatric subjects ≥2 Years to <18 Years of Age

Clinical Trial Description

This Phase 3/4, randomized, observer-blind, multi-center, stratified study evaluated the efficacy, safety, and immunogenicity of a cell-derived quadrivalent subunit influenza virus vaccine (Seqirus QIVc) compared to a non-influenza comparator vaccine in healthy male and female participants between 2 to <18 years of age. A total of 4514 children/teens were randomized, receiving either QIVc or the non-influenza comparator vaccine. The comparator was (meningococcal [Groups A, C, W-135, and Y] oligosaccharide diphtheria CRM197 conjugate vaccine [Men ACWY]). Randomized enrollment was stratified in a 1:1 ratio via an Interactive Response Technology (IRT) system which assigned the participants into two age cohorts: 2 to <9 years of age and 9 to <18 years of age. Subjects between 2 to <9 years of age were further stratified by previous influenza vaccine status ("previously vaccinated" or "not previously vaccinated"). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03165617
Study type Interventional
Source Seqirus
Contact
Status Completed
Phase Phase 3
Start date May 25, 2017
Completion date September 30, 2019
View Details
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