Phase III Clinical Trial of the Recombinant Respiratory Syncytial Virus Vaccine ( CHO Cell)
brief summary
This study will evaluate the efficacy of the Recombinant RSV vaccine(CHO cell) vaccine in preventing lower respiratory tract diseases(LRTD) caused by RSV in adults≥ 60 years of following a single dose of the RSV vaccine(CHO cell) vaccine .This study will also assess if the vaccine is safe and induces an immune response.
detailed description
A total of 25000 adults aged 60 years and above will be enrolled, stratified into 60-69 and ≥70 years of age. All Participants will randomly receive investigational vaccine or placebo at a ratio of 1:1. Efficacy and safety will be assessed in all Participants, while immunogenicity will be assessed in a subset of 1200 Participants in a selected trial site.
official title
A Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Study to Evaluate the Efficacy, Immunogenicity, and Safety of a Recombinant Respiratory Syncytial Virus Vaccine (CHO Cell) in Adults Aged 60 Aears and Above