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Impact of Malaria Prevention on Health and Education in Kenyan Schoolchildren

14 februari 2014 uppdaterad av: London School of Hygiene and Tropical Medicine
While malaria represents one of the main health problems afflicting schoolchildren, the evidence base for policy development and programme implementation for school-based malaria control remains inadequate. A recent study in western Kenya showed that delivering intermittent preventive treatment (IPT) to schoolchildren improved rates of anaemia and classroom concentration, but did not improve school performance. This study aims to (i) investigate the impact of malaria prevention using a strategy of periodic screening using malaria rapid diagnostic tests and treatment positives using artemether-lumefantrine (AL) on health and education among schoolchildren and (ii) determine the interaction between health and improved literacy instruction. The study hypothesis is that that school-based malaria prevention will reduce rates of anaemia or improve educational outcomes in Kenyan schoolchildren, when compared to comparison schools. In addition, a programme of training for primary school teachers to improve literacy instruction will improve literacy rates and there will be no interaction between the malaria intervention and the education intervention, such that learning will not be improved when teaching is effective and children are healthy. The study will be undertaken in 101 randomly selected primary schools in Kwale District. The malaria intervention consists of screening all children using rapid diagnostic tests (RDTs) for malaria. Children (with or without clinical malaria symptoms) found to be RDT-positive will be treated with AL according to national guidelines. Screening and treatment will be administered by district public health staff once a school term, observed by the evaluation research team. This intervention has been changed from IPT due to the withdrawal of amodiaquine in Kenya. The education intervention includes a programme of training for primary school teachers to improve literacy instruction. The study is designed to detect a 25% reduction in anaemia and an improvement of 0.2 standard deviations in mathematics and literacy tests. Additional outcomes will also be measured including malaria parasitaemia, classroom attention and school attendance. Cost-effectiveness and community acceptability of the interventions will be assessed. Anaemia and educational outcomes will be assessed before interventions and 12 and 24 months later. Malaria parasitaemia using blood slides will only be assessed at follow-up.

Studieöversikt

Detaljerad beskrivning

This study will be a factorial-design, cluster-randomised trial with a comparison group to assess the impact of (i) malaria prevention, based on screening and treatment, and (ii) enhanced literacy instruction by teachers on the health and educational achievement of healthy schoolchildren.

The target population in this study includes children attending primary schools in Kenya. The accessible population includes the children attending the participating primary schools in classes 1 and 5 in Kwale district. Schools will be randomized to one of four groups, receiving either the screening and treatment intervention alone, the education intervention alone, the malaria and education interventions combined, or neither intervention. The unit of analysis is the school, but individual-level analysis using suitable generalised linear models, adjusted for clustering by school, will also be undertaken to explore differences in impact of the interventions according to child age, sex, home environment, school quality as well as differences in the uptake of each intervention.

Studietyp

Interventionell

Inskrivning (Faktisk)

5177

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

      • Nairobi, Kenya, P.O. Box 43640 - 00100
        • Kemri-Wellcome Trust Programme

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

5 år till 18 år (Barn, Vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • Pupil enrolled at participating schools in classes 1 and 5;
  • Provision of informed consent from parent or guardian;
  • Provision of assent by student

Exclusion Criteria:

  • Pupils unwilling to participate in the study;
  • Known allergy or history of adverse reaction to study medications;
  • Known or suspected sickle-cell trait

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Faktoriell uppgift
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Inget ingripande: 4
Experimentell: 1

Intermittent screening and treatment (IST) for malaria.

This intervention is a change from a previous intervention based on intermittent preventive treatment for malaria owning to the withdrawal of amodiaquine (one of the previous IPT drugs) in Kenya in 2009.

All children will be screened for malaria using rapid diagnostic tests (RDTs) once a term (thrice yearly). Children (with or without clinical malaria symptoms) found to be RDT-positive will be treated with artemether-lumefantrine according to national guidelines. Screening and treatment will be administered by district public health staff once a school term, observed by the evaluation research team.
Experimentell: 2
Enhanced teacher training on literacy instruction.
Education intervention designed to improved early grade literacy instruction, focusing on phonological awareness & vocabulary and relationship between letters and sounds in a systematic and explicit fashion. Specific interventions will include training on (i) how to monitor students' progress in large classes (ii) developing and using instructional materials for reading (iii) lesson planning for explicit teaching of letter-sound relationships (iv) instructional techniques for large classes.
Experimentell: 3
Intermittent screening and treatment (IST) for malaria and enhanced teacher training on literacy instruction
Schools will receive both IST and the literacy instruction programme

Vad mäter studien?

Primära resultatmått

Resultatmått
Tidsram
Anaemia
Tidsram: 2 years
2 years
Education achievement assessed by a battery of tests of reading, writing and arithmetic
Tidsram: 2 years
2 years

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Prevalence of malaria parasitemia
Tidsram: 2 years
2 years
Concentration as assessed by classroom-based tests of sustained attention
Tidsram: 2 years
2 years
School attendance as assessed by class attendance registers
Tidsram: 2 years
2 years
Examination results as assessed by government examination scores
Tidsram: 2 years
2 years
Cost-effectiveness
Tidsram: 2 years
Cost-effectiveness analysis will consider improvements in educational achievement and reductions in anaemia
2 years
Community acceptability
Tidsram: 2 years
A modified stakeholder analysis will assess key people's views on the implementation and longer-term sustainability of the programme.
2 years

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Samarbetspartners

Utredare

  • Huvudutredare: Simon Brooker, DPhil, London School of Hygiene and Tropical Medicine

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart

1 januari 2010

Primärt slutförande (Faktisk)

1 april 2012

Avslutad studie (Faktisk)

1 april 2012

Studieregistreringsdatum

Först inskickad

7 april 2009

Först inskickad som uppfyllde QC-kriterierna

7 april 2009

Första postat (Uppskatta)

8 april 2009

Uppdateringar av studier

Senaste uppdatering publicerad (Uppskatta)

17 februari 2014

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

14 februari 2014

Senast verifierad

1 februari 2014

Mer information

Termer relaterade till denna studie

Andra studie-ID-nummer

  • 5503

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