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Understanding and maximising the community impact of seasonal malaria chemoprevention in Burkina Faso (INDIE-SMC): study protocol for a cluster randomised evaluation trial.
Moreno, Marta; Barry, Aissata; Gmeiner, Markus; Yaro, Jean Baptist; Sermé, Samuel S; Byrne, Isabel; Ramjith, Jordache; Ouedraogo, Alphonse; Soulama, Issiaka; Grignard, Lynn; Soremekun, Seyi; Koele, Simon; Ter Heine, Rob; Ouedraogo, Amidou Z; Sawadogo, Jean; Sanogo, Edith; Ouedraogo, Issa N; Hien, Denise; Sirima, Sodiomon Bienvenu; Bradley, John; Bousema, Teun; Drakeley, Chris; Tiono, Alfred B.
Afiliación
  • Moreno M; Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK.
  • Barry A; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Gmeiner M; Department of Medical Microbiology, Radboud University Nijmegen, Nijmegen, The Netherlands.
  • Yaro JB; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Sermé SS; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Byrne I; Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK.
  • Ramjith J; Department of Medical Microbiology, Radboud University Nijmegen, Nijmegen, The Netherlands.
  • Ouedraogo A; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Soulama I; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Grignard L; Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK.
  • Soremekun S; Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK.
  • Koele S; Department of Medical Microbiology, Radboud University Nijmegen, Nijmegen, The Netherlands.
  • Ter Heine R; Pharmacy, Radboudumc, Nijmegen, The Netherlands.
  • Ouedraogo AZ; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Sawadogo J; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Sanogo E; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Ouedraogo IN; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Hien D; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Sirima SB; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso.
  • Bradley J; Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK.
  • Bousema T; Department of Medical Microbiology, Radboud University Nijmegen, Nijmegen, The Netherlands.
  • Drakeley C; Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK.
  • Tiono AB; Groupe de Recherche Action en Santé, Ouagadougou, Burkina Faso a.tiono@gras.bf.
BMJ Open ; 14(3): e081682, 2024 Mar 12.
Article en En | MEDLINE | ID: mdl-38479748
ABSTRACT

INTRODUCTION:

Seasonal malaria chemoprevention (SMC) involves repeated administrations of sulfadoxine-pyrimethamine plus amodiaquine to children below the age of 5 years during the peak transmission season in areas of seasonal malaria transmission. While highly impactful in reducing Plasmodium falciparum malaria burden in controlled research settings, the impact of SMC on infection prevalence is moderate in real-life settings. It remains unclear what drives this efficacy decay. Recently, the WHO widened the scope for SMC to target all vulnerable populations. The Ministry of Health (MoH) in Burkina Faso is considering extending SMC to children below 10 years old. We aim to assess the impact of SMC on clinical incidence and parasite prevalence and quantify the human infectious reservoir for malaria in this population. METHODS AND

ANALYSIS:

We will perform a cluster randomised trial in Saponé Health District, Burkina Faso, with three study arms comprising 62 clusters of three compounds arm 1 (control) SMC in under 5-year-old children, implemented by the MoH without directly observed treatment (DOT) for the full course of SMC; arm 2 (intervention) SMC in under 5-year-old children, with DOT for the full course of SMC; arm 3 (intervention) SMC in under 10-year-old children, with DOT for the full course of SMC. The primary endpoint is parasite prevalence at the end of the malaria transmission season. Secondary endpoints include the impact of SMC on clinical incidence. Factors affecting SMC uptake, treatment adherence, drug concentrations, parasite resistance markers and transmission of parasites will be determined. ETHICS AND DISSEMINATION The London School of Hygiene & Tropical Medicine's Ethics Committee (29193) and the Burkina Faso National Medical Ethics Committee (Deliberation No 2023-05-104) approved this study. The findings will be presented to the community; disease occurrence data and study outcomes will also be shared with the Burkina Faso MoH. Findings will be published irrespective of their results. TRIAL REGISTRATION NUMBER NCT05878366.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Malaria / Antimaláricos Límite: Child / Child, preschool / Humans / Infant País/Región como asunto: Africa Idioma: En Revista: BMJ Open Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Malaria / Antimaláricos Límite: Child / Child, preschool / Humans / Infant País/Región como asunto: Africa Idioma: En Revista: BMJ Open Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido