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Now enrolling adults 60 years of age or older who may be at risk for developing a bloodstream infection caused by E. coli

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About the E.mbrace Study

The E.mbrace Study is a clinical research study to evaluate an investigational single dose vaccine called ExPEC9V for the prevention of invasive E.coli Disease (IED) in adults 60 years of age or older who have had a urinary tract infection in the past 2 years.

There are two vaccination groups in this study and all participants will be randomly assigned into either the active (receive ExPEC9V) or placebo vaccine group.

Participants will be stratified according to their age and according to the presence of risk factors for complicated UTIs (cUTIs). The stratification will also ensure balance across arms of participants in the Immunogenicity subset and safety subset (or a combination of both).

Blood immunogenicity samples will be collected from all participants at Day 1 (pre-vaccination) and Day 30.

Blood immunogenicity samples will be collected from participants experiencing UTIs (subjects in the immunogenicity subset only) and IEDs (all participants), ideally before any investigational vaccine is given. If not possible, the samples are to be collected as soon as possible and no later than 48h after UTI/IED diagnosis.

Who can participate in this study?

Both men and women who experience urinary tract infection (UTI) may be eligible to participate in the E.mbrace Study if they:

  • Are 60 years of age or older
  • Have had at least 1 UTI in the past 2 years
  • Feel comfortable, or have a caregiver who is comfortable, using an application on a smartphone

While there may be no health disparity in ExPEC Disease (IED), the inclusion of more diverse participants can help determine how well a vaccine might work in certain populations or whether it might pose an additional risk to a particular population. The FDA encourages all of us, both Sponsors and investigative sites, to proactively seek to enroll participants that reflect the population that may use the investigational vaccine if ultimately approved by the FDA.

What can participants expect?

The investigational vaccine (ExPEC9V or placebo) will be administered in a single injection after randomization. Participants will be randomly assigned to receive either the investigational vaccine or the placebo at a 1:1 ratio.

  • Participants in the study will be assigned to one of four Subsets: Investigational Vaccine No Subset, Investigational Vaccine Immunogenicity Subset, Investigational Vaccine Safety Subset, Investigational Vaccine Safety and Immunogenicity Subset
  • Please refer to clinicaltrials.gov for more study information
  • The study will be conducted in North America, Europe, and Asia-Pacific

What are the parts to the study?

Screening and Vaccination Visit:

On Study Day 1, the study team will verify eligibility criteria and participants will review and sign the Informed Consent Form (ICF) before study participants are randomized and the investigational vaccine (ExPEC9V) or placebo is administered. During the Day 1 visit, participants will also have a pre-vaccination physical examination including height and body weight measurements, their vital signs will be recorded, and they will complete a survey on their health status and their health-related quality of life (ePRO instruments) undergo a Short Physical Performance Battery (SPPB), and medical conditions of interest will be collected. Prior to vaccination each participant will undergo blood sampling for immunogenicity. Post-vaccination, all participants will have a 30-minute observation period, and participants in the Safety Subset or the Safety and Immunogenicity Subset will be issued an eDiary.

Follow-up Period:

At the conclusion of the Screening and Vaccination Visit, study participants will enter the Follow-up Period. Study visits in the form of telephone contact or in-person visits will occur on Day 15, Day 30, Day 61, Day 181, and Day 366 during Year 1 of the study. After Year 1, visits will occur on Day 731 (Year 2), and Day 1096 (Year 3). During study visits participants will have any adverse events recorded for the first year, and thereafter any serious adverse events related to the investigational study vaccine. All participants will have a study site visit on Day 30 where blood will be collected for immunogenicity and a physical examination will be performed for participants in the safety subset. For participants in the Immunogenicity Subset, blood samples will also be collected on day 181, Year 1, Year 2, and Year 3.

Frequently asked questions

Janssen Research & Development is responsible for conducting this clinical study.

Qualified participants may receive the investigational vaccine or placebo and some study-required medical care at no cost. The study will not pay for other medical care or current medication(s) needed to support their daily health care routine.

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