Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.

Dihydroartemisinin-piperaquine is being increasingly used as a first-line artemisinin combination treatment for malaria. The aim of this study was to describe the pharmacokinetic and pharmacodynamic properties of piperaquine in 236 children with uncomplicated falciparum malaria in Burkina Faso. They...

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Main Authors: Tarning, J, Zongo, I, Somé, F, Rouamba, N, Parikh, S, Rosenthal, P, Hanpithakpong, W, Jongrak, N, Day, N, White, N, Nosten, F, Ouedraogo, J, Lindegardh, N
Format: Journal article
Language:English
Published: 2012
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author Tarning, J
Zongo, I
Somé, F
Rouamba, N
Parikh, S
Rosenthal, P
Hanpithakpong, W
Jongrak, N
Day, N
White, N
Nosten, F
Ouedraogo, J
Lindegardh, N
author_facet Tarning, J
Zongo, I
Somé, F
Rouamba, N
Parikh, S
Rosenthal, P
Hanpithakpong, W
Jongrak, N
Day, N
White, N
Nosten, F
Ouedraogo, J
Lindegardh, N
author_sort Tarning, J
collection OXFORD
description Dihydroartemisinin-piperaquine is being increasingly used as a first-line artemisinin combination treatment for malaria. The aim of this study was to describe the pharmacokinetic and pharmacodynamic properties of piperaquine in 236 children with uncomplicated falciparum malaria in Burkina Faso. They received a standard body weight-based oral 3-day fixed-dose dihydroartemisinin-piperaquine regimen. Capillary plasma concentration-time profiles were characterized using nonlinear mixed-effects modeling. The population pharmacokinetics of piperaquine were described accurately by a two-transit-compartment absorption model and a three-compartment distribution model. Body weight was a significant covariate affecting clearance and volume parameters. The individually predicted day 7 capillary plasma concentration of piperaquine was an important predictor (P < 0.0001) of recurrent malaria infection after treatment. Young children (2-5 years of age) received a significantly higher body weight-normalized dose than older children (P = 0.025) but had significantly lower day 7 piperaquine concentrations (P = 0.024) and total piperaquine exposures (P = 0.021), suggesting that an increased dose regimen for young children should be evaluated.
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spelling oxford-uuid:00070e09-0a92-4493-b5ba-2010bb6dea582022-03-26T08:27:15ZPopulation pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:00070e09-0a92-4493-b5ba-2010bb6dea58EnglishSymplectic Elements at Oxford2012Tarning, JZongo, ISomé, FRouamba, NParikh, SRosenthal, PHanpithakpong, WJongrak, NDay, NWhite, NNosten, FOuedraogo, JLindegardh, NDihydroartemisinin-piperaquine is being increasingly used as a first-line artemisinin combination treatment for malaria. The aim of this study was to describe the pharmacokinetic and pharmacodynamic properties of piperaquine in 236 children with uncomplicated falciparum malaria in Burkina Faso. They received a standard body weight-based oral 3-day fixed-dose dihydroartemisinin-piperaquine regimen. Capillary plasma concentration-time profiles were characterized using nonlinear mixed-effects modeling. The population pharmacokinetics of piperaquine were described accurately by a two-transit-compartment absorption model and a three-compartment distribution model. Body weight was a significant covariate affecting clearance and volume parameters. The individually predicted day 7 capillary plasma concentration of piperaquine was an important predictor (P < 0.0001) of recurrent malaria infection after treatment. Young children (2-5 years of age) received a significantly higher body weight-normalized dose than older children (P = 0.025) but had significantly lower day 7 piperaquine concentrations (P = 0.024) and total piperaquine exposures (P = 0.021), suggesting that an increased dose regimen for young children should be evaluated.
spellingShingle Tarning, J
Zongo, I
Somé, F
Rouamba, N
Parikh, S
Rosenthal, P
Hanpithakpong, W
Jongrak, N
Day, N
White, N
Nosten, F
Ouedraogo, J
Lindegardh, N
Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.
title Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.
title_full Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.
title_fullStr Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.
title_full_unstemmed Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.
title_short Population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria.
title_sort population pharmacokinetics and pharmacodynamics of piperaquine in children with uncomplicated falciparum malaria
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