Clinical trial Recruiting at 4 sites Observational Ages 6 Months to 59 Months

Evaluating the RTS,S malaria vaccine's safety and effectiveness

Official title: Strengthening the Evidence for Policy on the RTS,S/AS01 Malaria Vaccine: Assessment of Safety and Effectiveness Using Case-control Studies Embedded in the Malaria Vaccine Pilot Evaluation

Run by Kintampo Health Research Centre, Ghana · NCT05041556 · Data updated 2026-11-12

This study is testing how safe and effective the RTS,S malaria vaccine is for young children in Ghana, Malawi, and Kenya.

Quick facts

Study typeObservational
Ages6 Months to 59 Months
SexAll
Enrollment9280 (estimated)
SponsorKintampo Health Research Centre, Ghana
Academic / other
Locations4 sites (Kintampo and 3 other locations)
StatusRecruiting
StartedOctober 18, 2021
Main results expectedApril 30, 2025
Study endsApril 30, 2025
Registry record updatedFebruary 28, 2025
Trial IDNCT05041556 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are children aged 6 to 59 months living in areas where the RTS,S/AS01 vaccine is being implemented.

Probably not a fit

Patients who are not residents in the RTS,S/AS01 implementation areas or whose caregivers do not provide consent will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study is part of the Malaria Vaccine Pilot Evaluation (MVPE) and aims to assess the safety and effectiveness of the RTS,S/AS01 malaria vaccine through case-control studies in Ghana, Malawi, and Kenya. It will involve recruiting children aged 6 to 59 months from sentinel hospitals and surrounding communities, where each case will be matched with four controls. The study will focus on measuring safety outcomes, including severe malaria and all-cause mortality, while also promoting the use of case-control methodologies in immunization programs.

Why it matters

Potential benefit: If successful, this study could provide critical evidence to support the safe implementation of the RTS,S malaria vaccine, potentially reducing malaria-related morbidity and mortality in children.

How similar studies have gone: Other studies evaluating malaria vaccines have shown promising results, indicating that this approach is built on existing evidence but focuses on a specific case-control methodology.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Willingness to participate in study evidenced by written informed consent provided by an adult caregiver
* Resident in an RTS,S/AS01 implementation area within the catchment area of MVPE sentinel hospitals
* Eligible, based on date of birth and age, to have received RTSS/AS01
* Meets the case or control definitions above.

Exclusion Criteria:

* Caregiver not willing to provide consent

Where it's running

  • Kintampo Health Research Centre
    Kintampo, Ghana
    Recruiting
  • African Research Collaboration for Health Limited
    Nairobi, Kenya
    Recruiting
  • Kenya Medical Research Institute (KEMRI)
    Nairobi, Kenya
    Recruiting
  • College of Medicine, University of Malawi
    Blantyre, Malawi
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Browse more
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.