Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older Adults

A Phase 2, Randomized, Observer-blind, Antigen and Adjuvant Dose Ranging Clinical Study to Evaluate Safety and Immunogenicity of Different Formulations of MF59 Adjuvanted Quadrivalent Subunit Inactivated Cell-derived Influenza Vaccine (aQIVc) in Older Adults ?50 Years of Age

This Phase 2, randomized, observer-blind, antigen and adjuvant dose-ranging Clinical study is evaluating different formulations of MF59-Adjuvanted Quadrivalent Subunit Inactivated Influenza Vaccine. Approximately 800 subjects are to be randomized into 1 of 8 possible treatment groups. Immunogenicity and safety will be assessed in the overall study population (adults ?50 years and above) and in the age subgroups ?50-64 years and ?65 years to determine the appropriate age population for this vaccine. Data from this study will be used to select the optimal dose to be tested in the pivotal Phase 3 immunogenicity and safety study in older adults. Disclosure Statement: This is a parallel-group dose-ranging study with 8 arms that is participant, investigator and observer-blinded.

Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older Adults

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