Influenza Clinical Trial
Official title:
A Phase 1, Randomized, Controlled, Observer-blind Study to Assess the Reactogenicity, Safety, and Immunogenicity of a Live Attenuated Universal Influenza Vaccine (cH8/1N1 LAIV) Administered as a Single Priming Dose Followed Three Months Later by a Single Booster Dose of an Inactivated Universal Influenza Vaccine (cH5/1N1 IIV) (Adjuvanted With AS03A or Unadjuvanted) in 18 Through 39 Year-old Healthy Subjects, Contrasted With a Two Dose Schedule of an Inactivated Universal Influenza Vaccine (cH8/1N1 IIV + AS03A Followed Three Months Later by cH5/1N1 IIV + AS03A)
The clinical study will evaluate safety and the immune response of a prime- boost regimen with a live attenuated influenza vaccine (LAIV) prime and an inactivated split influenza vaccine (IIV) boost with or without adjuvant.
This is a prospective, multi-center, randomized, controlled, observer-blind, Phase 1 trial in healthy male and female adults 18 through 39 years of age to evaluate safety and the immune response of a prime boost regimen with LAIV prime and IIV boost with or without adjuvant. Participants will be randomized 4:3:1:3:2 to one of five groups to receive a first dose of study cH8/1N1 LAIV (or placebo) or study cH8/1N1 IIV + AS03A adjuvant (or placebo) followed three months later by study cH5/1N1 IIV +/- AS03A adjuvant (or placebo). ;
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