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Title: Severe Acute Malnutrition Results in Lower Lumefantrine Exposure in Children Treated With Artemether-Lumefantrine for Uncomplicated Malaria
Authors: Palang Chotsiri
Lise Denoeud-Ndam
Elisabeth Baudin
Ousmane Guindo
Halimatou Diawara
Oumar Attaher
Michiel Smit
Philippe J. Guerin
Ogobara K. Doumbo
Lubbe Wiesner
Karen I. Barnes
Richard M. Hoglund
Alassane Dicko
Jean Francois Etard
Joel Tarning
University of Bamako Faculty of Medicine, Pharmacy and Odonto-Stomatology
Mahidol University
Nuffield Department of Clinical Medicine
University of Cape Town
WorldWide Antimalarial Resistance Network (WWARN)
Keywords: Medicine
Issue Date: 1-Dec-2019
Citation: Clinical Pharmacology and Therapeutics. Vol.106, No.6 (2019), 1299-1309
Abstract: © 2019 The Authors Clinical Pharmacology & Therapeutics published by Wiley Periodicals, Inc. on behalf of American Society for Clinical Pharmacology and Therapeutics Severe acute malnutrition (SAM) has been reported to be associated with increased malaria morbidity in Sub-Saharan African children and may affect the pharmacology of antimalarial drugs. This population pharmacokinetic (PK)-pharmacodynamic study included 131 SAM and 266 non-SAM children administered artemether-lumefantrine twice daily for 3 days. Lumefantrine capillary plasma concentrations were adequately described by two transit-absorption compartments followed by two distribution compartments. Allometrically scaled body weight and an enzymatic maturation effect were included in the PK model. Mid-upper arm circumference was associated with decreased absorption of lumefantrine (25.4% decreased absorption per 1 cm reduction). Risk of recurrent malaria episodes (i.e., reinfection) were characterized by an interval-censored time-to-event model with a sigmoid maximum-effect model describing the effect of lumefantrine. SAM children were at risk of underexposure to lumefantrine and an increased risk of malaria reinfection compared with well-nourished children. Research on optimized regimens should be considered for malaria treatment in malnourished children.
ISSN: 15326535
Appears in Collections:Scopus 2019

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