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Medline ® Abstract for Reference 101

of 'Antimalarial drugs: An overview'

101
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Fixed-dose pyronaridine-artesunate combination for treatment of uncomplicated falciparum malaria in pediatric patients in Gabon.
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Ramharter M, Kurth F, Schreier AC, Nemeth J, Glasenapp Iv, Bélard S, Schlie M, Kammer J, Koumba PK, Cisse B, Mordmüller B, Lell B, Issifou S, Oeuvray C, Fleckenstein L, Kremsner PG
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J Infect Dis. 2008;198(6):911.
 
BACKGROUND: The development of novel artemisinin-combination therapies suitable for the treatment of pediatric patients suffering from malaria is a research priority. The aim of this study was to investigate a novel fixed-dose pyronaridine-artesunate combination for the treatment of uncomplicated falciparum malaria in Gabonese patients 2-14 years old.
METHODS: The study was designed as an open-label dose-escalation study recruiting 60 pediatric patients sequentially in 4 treatment cohorts: study drugs were administered once daily for 3 days, as tablet coformulations (pyronaridine:artesunate ratios of 6:2, 9:3, and 12:4 mg/kg) and as a granule coformulation (pyronaridine:artesunate ratio of 9:3 mg/kg). The primary end points were tolerability, safety, and pharmacokinetics of pyronaridine-artesunate treatment. Efficacy was treated as a secondary outcome measure.
RESULTS: The drugs had a good tolerability and safety profile, at all dose levels. Pharmacokinetic analysis revealed a dose-dependent increase in the maximum plasma/blood concentration and the area under the curve, as well as comparable relative bioavailability for the granule coformulation. Polymerase chain reaction-corrected cure rates at day 28 were 100% in per-protocol analysis, at all dose levels.
CONCLUSIONS: Pyronaridine-artesunate is a promising novel artemisinin-combination therapy for pediatric patients with uncomplicated Plasmodium falciparum malaria, and the development of both the tablet and the granule coformulations is warranted.
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Medical Research Unit, Albert Schweitzer Hospital, Lambaréné, Gabon. michael.ramharter@meduniwien.ac.at
PMID