Actively Recruiting

Age: 5Months +
All Genders
Healthy Volunteers
NCT07009847

An Observational Study to Assess Effectiveness and Safety of The R21/Matrix-M Malaria Vaccine

Led by Serum Institute of India Pvt. Ltd. · Updated on 2025-08-13

2308

Participants Needed

5

Research Sites

80 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This is an observational case-control study to assess the effectiveness of the R21/Matrix-M vaccine against severe malaria, clinical malaria (in high transmission perennial areas), and to assess if the R21 vaccine recipients are at an increased risk of deaths (all-cause). Clinical malaria, severe malaria and death (all-cause) cases will be enrolled in study. For each case (severe or death) 4 controls matched for age and neighborhood will be enrolled whereas for clinical malaria case, 1 matched control will be enrolled. 1. Proportion of vaccinated and unvaccinated children amongst Severe Malaria Cases caused by P. falciparum. 2. Proportion of vaccinated and unvaccinated children amongst Clinical Malaria Cases in high-transmission perennial areas caused by P. falciparum. 3. Proportion of vaccinated and unvaccinated children in cases of death (all cause) 4. Exploratory effectiveness endpoint: Proportion of vaccinated and unvaccinated children in the hospitalized clinical and severe malaria cases.

CONDITIONS

Official Title

An Observational Study to Assess Effectiveness and Safety of The R21/Matrix-M Malaria Vaccine

Who Can Participate

Age: 5Months +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Male or female child eligible to receive the R21/Matrix-M vaccine based on age
  • Parent/legal guardian or caregiver willing to provide written informed consent for the child's participation
  • Parent/legal guardian or caregiver willing to share vaccination and medical records with study personnel
  • Resident of the R21/Matrix-M vaccine implementation area
  • Child brought to study hospital, clinic, or sub-site with clinical complaints
  • Child meeting case definitions for severe malaria, clinical malaria, or death due to any cause
  • For controls: matched birth date within 60 days of the case
  • Controls residing in the same neighborhood but not the same household as the respective case
  • Controls would have sought treatment at the same hospital if symptoms developed
  • Controls residing in the location for most days of the week for the past 6 months
Not Eligible

You will not qualify if you...

  • Parent/legal guardian or caregiver not consenting to participation or access to vaccination and medical records
  • Child not meeting case definitions for severe malaria, clinical malaria, or death (cases)
  • Child has received one or more doses of RTS,S/AS01 vaccine in the past
  • Child meeting any case definitions (controls)
  • Child with history suggestive of clinical malaria in past 30 days (for clinical and severe malaria studies only)

AI-Screening

AI-Powered Screening

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Trial Site Locations

Total: 5 locations

1

Unité de Recherche Clinique de Nanoro (URCN), Institut de Recherche en Sciences de la Santé, Direction Régionale du Centre-Ouest (IRSS-DRCO), Bousse

Bousse, Burkina Faso, Burkina Faso

Actively Recruiting

2

Centre de Recherche et de Lutte contre le Paludisme Institut National de Santé Publique, boulevard Nangui Abrogoua près État Major des Armées

Toumodi, Côte d’Ivoire

Actively Recruiting

3

University of Ilorin Department of Pediatrics University of Ilorin Teaching Hospital, Ilorin, Nigeria

Yenagoa, Bayesla, Nigeria

Actively Recruiting

4

Infectious Diseases Research Collaboration (IDRC), Uganda

Busia, Uganda, Uganda

Actively Recruiting

5

Makerere University College of Health Sciences

Mukono, Uganda

Actively Recruiting

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Research Team

D

Dr. Prasad Kulkarni, MD, FRCP

CONTACT

D

Dr. Sandesh M Bharati, MD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

3

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An Observational Study to Assess Effectiveness and Safety of The R21/Matrix-M Malaria Vaccine | DecenTrialz