Status:

RECRUITING

Evaluation of Typhoid Conjugate Vaccine Effectiveness in Ghana

Lead Sponsor:

International Vaccine Institute

Collaborating Sponsors:

Kwame Nkrumah University of Science and Technology

University of Cambridge

Conditions:

Typhoid Fever

Eligibility:

All Genders

9-15 years

Phase:

PHASE4

Brief Summary

A cluster-randomised controlled Phase IV trial (cRCT) assessing the impact of a Vi-Polysaccharide conjugate vaccine in preventing typhoid infection in Asante Akim, Ghana (TyVEGHA) with a primary endpo...

Detailed Description

Typhoid fever remains a significant health problem in sub-Saharan Africa, with incidence rates \>100 cases per 100,000 person-years of observation. Despite the prequalification of safe and effective t...

Eligibility Criteria

Inclusion

  • In order to be eligible to participate in this study, an individual must meet the following criteria:
  • Healthy participants aged 9 months to \<16 years (i.e., ≤15 years and 364 days) of age at the time of vaccination
  • Participants/Parents/legally authorized representative (LAR) who have voluntarily given informed assent (sought from participants aged 12 years to \<16 years) and informed consent
  • Participants/Parents/LAR living within study target area at the time of vaccination and willing to follow the study procedures and be available for the entire duration of the study

Exclusion

  • An individual who meets any of the following criteria will be excluded from participation in this study:
  • Known allergy to any vaccine component
  • Self-reported ongoing acute and/or chronic illness
  • Any self-reported coagulopathies
  • Any medical or social compelling reasons in the judgment of a clinical physician
  • Self-reported pregnancy/Positive urine pregnancy test or lactating
  • Previous typhoid vaccination in the last 5 years (proven by the presentation of a vaccine card or self-reporting).
  • Temporary exclusion criteria
  • Self-reported fever (elevated tympanic (≥38°C) or axillary temperature (≥37.5°C)) within 24 hours of vaccination
  • Self-reported use of antipyretics within 4hours prior to vaccination
  • Any other vaccination during the last 4 weeks (proven by the presentation of a vaccine card or self-reporting)
  • Girls ≥11 years of age with self-reported irregular menstruation or who do not know their last menstruation date

Key Trial Info

Start Date :

August 24 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2024

Estimated Enrollment :

23000 Patients enrolled

Trial Details

Trial ID

NCT04852185

Start Date

August 24 2021

End Date

December 31 2024

Last Update

March 8 2024

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

Kwame Nkrumah University of Science and Technology

Kumasi, Ashanti Region, Ghana, PMB