3 Clinical Trials for Various Conditions
The purpose of this study is to assess the safety, reactogenicity, and immunogenicity of 3 different doses of ExPEC10V and to select the optimal dose for further clinical development (Cohort 1). Cohort 2 is aimed to expand the dataset supporting the short- and long-term safety and immunogenicity of the optimal dose of ExPEC10V, selected from the primary analysis results of Cohort 1. Cohort 2 will include participants in stable health with a history of urinary tract infection (UTI) in the past 5 years and will be included in the study to support the plan for late stage development of ExPEC vaccine.
The purpose of this study is to show that high-dose quadrivalent seasonal influenza vaccine (HD QIV) given together with 9-valent extraintestinal pathogenic Escherichia coli vaccine (ExPEC9V) does not induce lower antibody response against each of the 4 influenza vaccine strains, as compared to HD QIV given alone and further show that ExPEC9V given together with HD QIV does not induce lower antibody response against each of the vaccine O-serotype antigens, as compared to ExPEC9V given alone.
The purpose of this study is to demonstrate the efficacy of 9-valent extraintestinal pathogenic Escherichia coli vaccine (ExPEC9V) compared to placebo in the prevention of the first invasive extraintestinal pathogenic Escherichia coli disease (IED) event caused by ExPEC9V O-serotypes.