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Influence of consecutive-day blood sampling on polymerase chain reaction-adjusted parasitological cure rates in an antimalarial-drug trial conducted in Tanzania

dc.contributor.authorMartensson, Andreas
dc.contributor.authorNgasala, Billy
dc.contributor.authorUrsing, Johan
dc.contributor.authorVeiga, M. Isabel
dc.contributor.authorWiklund, Lisa
dc.contributor.authorMembi, Christopher
dc.contributor.authorMontgomery, Scott M.
dc.contributor.authorPremji, Zul
dc.contributor.authorFarnert, Anna
dc.contributor.authorBjorkman, Anders
dc.date.accessioned2018-12-07T14:53:01Z
dc.date.available2018-12-07T14:53:01Z
dc.date.issued2007-02
dc.description.abstractWe assessed the influence that consecutive-day blood sampling, compared with single-day blood sampling, had on polymerase chain reaction (PCR)-adjusted parasitological cure after stepwise genotyping of merozoite surface proteins 2 (msp2) and 1 (msp1) in 106 children in Tanzania who had uncomplicated falciparum malaria treated with either sulfadoxine-pyrimethamine or artemether-lumefantrine; 78 of these children developed recurrent parasitemia during the 42-day follow-up period. Initial msp2 genotyping identified 27 and 33 recrudescences by use of single-and consecutive-day sampling, respectively; in subsequent msp1 genotyping, 17 and 21 of these episodes, respectively, were still classified as recrudescences; these results indicate a similar sensitivity of the standard single-day PCR protocol-that is, 82% (27/33) and 81% (17/21), in both genotyping steps. Interpretation of PCR-adjusted results will significantly depend on methodology.
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doihttps://doi.org/10.1086/510910
dc.identifier.issn0022-1899
dc.identifier.urihttp://hdl.handle.net/10400.1/11317
dc.language.isoeng
dc.peerreviewedyes
dc.publisherUniversity of Chicago Press
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPlasmodium falciparum malaria
dc.subjectDynamics
dc.subjectChildren
dc.titleInfluence of consecutive-day blood sampling on polymerase chain reaction-adjusted parasitological cure rates in an antimalarial-drug trial conducted in Tanzania
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage601
oaire.citation.issue4
oaire.citation.startPage597
oaire.citation.titleJournal of Infectious Diseases
oaire.citation.volume195
rcaap.rightsopenAccess
rcaap.typearticle

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