Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial

<p>Abstract</p> <p>Background</p> <p>Helminth infections can alter susceptibility to malaria. Studies need to determine whether or not deworming programs can impact on <it>Plasmodium </it>infections in preschool children.</p> <p>Methods</p>...

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Main Authors: Ranford-Cartwright Lisa, Bruce Marian C, Abiona Titilayo C, Molloy Sile F, Asaolu Samuel O, Jackson Andrew L, Kirwan Patrick, O' Neill Sandra M, Holland Celia V
Format: Article
Language:English
Published: BMC 2010-09-01
Series:BMC Infectious Diseases
Online Access:http://www.biomedcentral.com/1471-2334/10/277
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author Ranford-Cartwright Lisa
Bruce Marian C
Abiona Titilayo C
Molloy Sile F
Asaolu Samuel O
Jackson Andrew L
Kirwan Patrick
O' Neill Sandra M
Holland Celia V
author_facet Ranford-Cartwright Lisa
Bruce Marian C
Abiona Titilayo C
Molloy Sile F
Asaolu Samuel O
Jackson Andrew L
Kirwan Patrick
O' Neill Sandra M
Holland Celia V
author_sort Ranford-Cartwright Lisa
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>Helminth infections can alter susceptibility to malaria. Studies need to determine whether or not deworming programs can impact on <it>Plasmodium </it>infections in preschool children.</p> <p>Methods</p> <p>A double-blind placebo-controlled randomised trial was conducted to investigate the impact of anthelmintic treatment on <it>Plasmodium </it>infection in children aged 12-59 months. Children were randomly assigned to receive either albendazole or placebo every four months for 12 months with a follow-up at 14 months.</p> <p>Results</p> <p>320 children (out of 1228, 26.1%) complied with all the follow-up assessments. <it>Plasmodium </it>prevalence and mean <it>Plasmodium </it>parasite density was significantly higher in the treatment group (44.9% and 2319 ± SE 511) compared to the placebo group (33.3% and 1471 ± 341) at baseline. The odds of having <it>Plasmodium </it>infection increased over time for children in both the placebo and treatment groups, however this increase was significantly slower for children in the treatment group (P = 0.002). By month 14, mean <it>Plasmodium </it>density had increased by 156% in the placebo group and 98% in the treatment group but the rate of change in <it>Plasmodium </it>density was not significantly different between the groups. The change from baseline in haemoglobin had a steeper increase among children in the treatment group when compared to the placebo group but this was not statistically significant.</p> <p>Conclusions</p> <p>Repeated four-monthly anthelminthic treatments for 14 months resulted in a significantly lower increase in the prevalence of <it>Plasmodium </it>infection in preschool children which coincided with a reduction in both the prevalence and intensity of <it>A. lumbricoides </it>infections.</p> <p>Trial Registration</p> <p>Current controlled trials ISRCTN44215995</p>
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spelling doaj.art-e908bf996ada4cf292acf308b419007e2022-12-21T20:47:08ZengBMCBMC Infectious Diseases1471-23342010-09-0110127710.1186/1471-2334-10-277Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trialRanford-Cartwright LisaBruce Marian CAbiona Titilayo CMolloy Sile FAsaolu Samuel OJackson Andrew LKirwan PatrickO' Neill Sandra MHolland Celia V<p>Abstract</p> <p>Background</p> <p>Helminth infections can alter susceptibility to malaria. Studies need to determine whether or not deworming programs can impact on <it>Plasmodium </it>infections in preschool children.</p> <p>Methods</p> <p>A double-blind placebo-controlled randomised trial was conducted to investigate the impact of anthelmintic treatment on <it>Plasmodium </it>infection in children aged 12-59 months. Children were randomly assigned to receive either albendazole or placebo every four months for 12 months with a follow-up at 14 months.</p> <p>Results</p> <p>320 children (out of 1228, 26.1%) complied with all the follow-up assessments. <it>Plasmodium </it>prevalence and mean <it>Plasmodium </it>parasite density was significantly higher in the treatment group (44.9% and 2319 ± SE 511) compared to the placebo group (33.3% and 1471 ± 341) at baseline. The odds of having <it>Plasmodium </it>infection increased over time for children in both the placebo and treatment groups, however this increase was significantly slower for children in the treatment group (P = 0.002). By month 14, mean <it>Plasmodium </it>density had increased by 156% in the placebo group and 98% in the treatment group but the rate of change in <it>Plasmodium </it>density was not significantly different between the groups. The change from baseline in haemoglobin had a steeper increase among children in the treatment group when compared to the placebo group but this was not statistically significant.</p> <p>Conclusions</p> <p>Repeated four-monthly anthelminthic treatments for 14 months resulted in a significantly lower increase in the prevalence of <it>Plasmodium </it>infection in preschool children which coincided with a reduction in both the prevalence and intensity of <it>A. lumbricoides </it>infections.</p> <p>Trial Registration</p> <p>Current controlled trials ISRCTN44215995</p>http://www.biomedcentral.com/1471-2334/10/277
spellingShingle Ranford-Cartwright Lisa
Bruce Marian C
Abiona Titilayo C
Molloy Sile F
Asaolu Samuel O
Jackson Andrew L
Kirwan Patrick
O' Neill Sandra M
Holland Celia V
Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial
BMC Infectious Diseases
title Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial
title_full Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial
title_fullStr Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial
title_full_unstemmed Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial
title_short Impact of repeated four-monthly anthelmintic treatment on <b><it>Plasmodium </it></b>infection in preschool children: a double-blind placebo-controlled randomized trial
title_sort impact of repeated four monthly anthelmintic treatment on b it plasmodium it b infection in preschool children a double blind placebo controlled randomized trial
url http://www.biomedcentral.com/1471-2334/10/277
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