Home » Trials » SLCTR/2009/009


The impact of school-based de-worming and iron supplementation on the cognitive abilities of school children in the plantation sector of Sri Lanka

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SLCTR Registration Number

SLCTR/2009/009


Date of Registration

18 Sep 2009

The date of last modification

Mar 03, 2019


Trial Status



Application Summary


Scientific Title of Trial

The impact of school-based de-worming and iron supplementation on the cognitive abilities of school children in the plantation sector of Sri Lanka


Public Title of Trial

The effect of deworming and iron supplementation on the learning ability of school children in the plantation sector of Sri Lanka


Disease or Health Condition(s) Studied

Soil-transmitted helminth infections, iron deficiency anaemia, cognitive ability


Scientific Acronym

None


Public Acronym

None


Brief title

None


Universal Trial Number

None


Any other number(s) assigned to the trial and issuing authority

P103/08/2009 (Ethics Review Committee of the Faculty of Medicine, University of Kelaniya)


Trial Details


What is the research question being addressed?

  1. What is the current prevalence of infection Ascaris lumbricoides, Trichuris trichiura and Necator americanus, and of anaemia among children attending plantation sector schools in the districts of Badulla, Kandy, Kegalle and Ratnapura? 2. What is the impact of school-based deworming treatment and iron supplementation on the cognitive functions, namely concentration levels, and educational achievement of these children?

Type of study

Interventional


Study design

Allocation

Randomized controlled trial


Masking

Masking not used


Control

Placebo


Assignment

Parallel


Purpose

Treatment


Study Phase

Not Available


Intervention(s) planned

Children in the treatment schools will be given an anthelmintic (mebendazole 500 mg stat) and weekly iron supplements (300 mg ferrous sulphate tablets) during the 2 school terms between the baseline and follow-up assessments (total of 20 tablets). Children in the control group will be given placebo tablets


Inclusion criteria

  1. Estate schools with >60 and <400 children. 2. Children attending Grade 4 in the selected schools

Exclusion criteria

Children with Hb level < 7.0 g/L



Primary outcome(s)

1.

Prevalence of anaemia (Hb<11.0 g/L)

[

6-months follow-up survey

]

Secondary outcome(s)

1.
  1. Prevalence and intensity of soil-transmitted helminth infections
  2. Mean Hb concentration
  3. Sustained attention
  4. Educational achievement
[

6-months follow-up survey

]

Target number/sample size

2000


Countries of recruitment

Sri Lanka


Anticipated start date

2009-09-14


Anticipated end date

2010-07-31


Date of first enrollment


Date of study completion


Recruitment status

Complete: follow up complete


Funding source

Partnership for Child Development, Imperial College, London, UK


Regulatory approvals



State of Ethics Review Approval


Status

Approved


Date of Approval

2009-08-25


Approval number

P103/08/2009


Details of Ethics Review Committee

Name: Ethics Review Committee, Faculty of Medicine, University of Kelaniya
Institutional Address:PO Box 6, Thalagolla Road, Ragama Sri Lanka
Telephone:+94-11-2961267
Email: erckelaniya@gmail.com

Contact & Sponsor Information


Contact person for Scientific Queries/Principal Investigator

Nilanthi de Silva
Professor of Parasitology
Dept of Parasitology, Faculty of Medicine, University of Kelaniya, PO Box 6 Ragama
2961143

2958337
nrdes@sltnet.lk

Contact Person for Public Queries

Nilanthi de Silva
Professor of Parasitology
Dept of Parasitology, Faculty of Medicine, University of Kelaniya, PO Box 6 Ragama
2961143

2958337
nrdes@sltnet.lk


Primary study sponsor/organization

Faculty of Medicine, University of Kelaniya

Talagolla Road, Ragama
2961000
2958337

www.mfac.kln.ac.lk

Secondary study sponsor (If any)

Partnership for Child Development

Dept. of Infectious Disease Epidemiology, Imperial College Faculty of Medicine, Norfolk Place London
+44(0)2075943257
+44(0)2072627912
anthi.patrikios@imperial.ac.uk
www.child-development.org

Trial Completion details


Do the investigators plan to share identified individual clinical trial participant-level data (IPD)?


IPD sharing plan description

Not Available


Study protocol available


Protocol version and date

Not Available


Protocol URL

Not Available


Results summary available

No


Date of posting results


Date of study completion


Final sample size


Date of first publication


Link to results


Brief summary of results