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Study aim
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Immunogenicity determination of fluguard vaccine in comparison with vaxigrip in an inferiority study design
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Design
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Phase III, double-blind, active-controlled, parallel, clinical trial, sample size of 734, stratified randomization
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Settings and conduct
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A Phase III, Double-blind (Investigator and Participant), Two-arm, Active-controlled, with a 1:1 allocation and sample size of 734, non-inferiority for Immunogenicity and safety evaluation of FluGuard® (quadrivalent recombinant influenza vaccine manufactured by Nivad Pharmed Salamat), in comparison with Vaxigrip Tetra (quadrivalent inactivated influenza vaccine manufactured by Sanofi Pasteur), clinical trial in healthy voluntaries aged 9 to 18 years
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Participants/Inclusion and exclusion criteria
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Subjects with general health between the ages of 9 and 18 who are willing and able to participate in the study.
Subjects with a history of allergy to vaccine components and a history of influenza vaccination in the past 6 months, as well as people with conditions such as thrombocytopenia, acute infection, receiving immunomodulatory drugs, neurological disorders, etc. are excluded from the study.
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Intervention groups
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Fluguard
Vaxigrip
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Main outcome variables
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Geometric mean ratio of antibody titer against hemagglutinin protein of types AH1N1, A H3N2, B Yamagata, and B Victoria with GMT scale after 28 days; And Seroconversion rate against hemagglutinin protein of types AH1N1, A H3N2, B Yamagata, and B Victoria after 28 days