2019
Optimal dosing of dihydroartemisinin-piperaquine for seasonal malaria chemoprevention in young children
Chotsiri P, Zongo I, Milligan P, Compaore Y, Somé A, Chandramohan D, Hanpithakpong W, Nosten F, Greenwood B, Rosenthal P, White N, Ouédraogo J, Tarning J. Optimal dosing of dihydroartemisinin-piperaquine for seasonal malaria chemoprevention in young children. Nature Communications 2019, 10: 480. PMID: 30696903, PMCID: PMC6351525, DOI: 10.1038/s41467-019-08297-9.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria chemopreventionSmall childrenPlasmodium falciparum malariaHigh transmission seasonLower drug exposureSigmoidal Emax modelHigh transmission periodYoung childrenAlternative regimenFalciparum malariaDose scheduleMonthly dosesOptimal dosingDrug exposurePreventive efficacyTransmission seasonPharmacokinetic parametersBody weightEmax modelMalaria incidenceVulnerable populationsHigh dosageChildrenChemopreventionEvaluation of the effects on the QT-interval of 4 artemisinin-based combination therapies with a correction-free and heart rate-free method
Funck-Brentano C, Ouologuem N, Duparc S, Felices M, Sirima S, Sagara I, Soulama I, Ouedraogo J, Beavogui A, Borghini-Fuhrer I, Khan Y, Djimdé A, Voiriot P. Evaluation of the effects on the QT-interval of 4 artemisinin-based combination therapies with a correction-free and heart rate-free method. Scientific Reports 2019, 9: 883. PMID: 30696921, PMCID: PMC6351684, DOI: 10.1038/s41598-018-37113-5.Peer-Reviewed Original ResearchConceptsArtemisinin-based combination therapyQTc prolongationHeart rate changesCombination therapyVentricular repolarizationQT/QTc interval prolongationEvidence of proarrhythmiaQTc interval prolongationQTc assessmentLethal ventricular arrhythmiasExtent of prolongationMalaria crisisArtemether-lumefantrineInterval prolongationVentricular arrhythmiasAfrican patientsClinical safetyFirst episodeQT intervalHeart rateAntimalarial drugsProlongationQT correctionECG recordingsHigh-quality ECG recording
2018
Pyronaridine–artesunate or dihydroartemisinin–piperaquine versus current first-line therapies for repeated treatment of uncomplicated malaria: a randomised, multicentre, open-label, longitudinal, controlled, phase 3b/4 trial
Drugs T, Sagara I, Beavogui A, Zongo I, Soulama I, Borghini-Fuhrer I, Fofana B, Traore A, Diallo N, Diakite H, Togo A, Koumare S, Keita M, Camara D, Somé A, Coulibaly A, Traore O, Dama S, Goita S, Djimde M, Bamadio A, Dara N, Maiga H, Sidibe B, Dao F, Coulibaly M, Alhousseini M, Niangaly H, Sangare B, Diarra M, Coumare S, Kabore M, Ouattara S, Barry A, Kargougou D, Diarra A, Henry N, Soré H, Bougouma E, Thera I, Compaore Y, Sutherland C, Sylla M, Nikiema F, Diallo M, Dicko A, Picot S, Borrmann S, Duparc S, Miller R, Doumbo O, Shin J, Gil J, Björkman A, Ouedraogo J, Sirima S, Djimde A. Pyronaridine–artesunate or dihydroartemisinin–piperaquine versus current first-line therapies for repeated treatment of uncomplicated malaria: a randomised, multicentre, open-label, longitudinal, controlled, phase 3b/4 trial. The Lancet 2018, 391: 1378-1390. PMID: 29606364, PMCID: PMC5889791, DOI: 10.1016/s0140-6736(18)30291-5.Peer-Reviewed Original ResearchConceptsArtemisinin-based combination therapyFirst-line artemisinin-based combination therapyArtemether-lumefantrineDay 28Day 42Study drugUncomplicated malariaMalaria episodesEligible participantsIncidence ratePan African Clinical Trials RegistryUncomplicated P falciparum malariaCurrent first-line therapyAfrican Clinical Trials RegistryDeveloping Countries Clinical Trials PartnershipDihydroartemisinin-piperaquine treatmentFirst malaria episodeP falciparum malariaUncomplicated malaria episodesFirst-line therapyHistory of feverClinical Trials RegistryNon-falciparum speciesMild transient elevationUK Medical Research Council
2017
Population Pharmacokinetic Properties of Piperaquine in Falciparum Malaria: An Individual Participant Data Meta-Analysis
Hoglund RM, Workman L, Edstein MD, Thanh NX, Quang NN, Zongo I, Ouedraogo JB, Borrmann S, Mwai L, Nsanzabana C, Price RN, Dahal P, Sambol NC, Parikh S, Nosten F, Ashley EA, Phyo AP, Lwin KM, McGready R, Day NP, Guerin PJ, White NJ, Barnes KI, Tarning J. Population Pharmacokinetic Properties of Piperaquine in Falciparum Malaria: An Individual Participant Data Meta-Analysis. PLOS Medicine 2017, 14: e1002212. PMID: 28072872, PMCID: PMC5224788, DOI: 10.1371/journal.pmed.1002212.Peer-Reviewed Original ResearchConceptsPiperaquine exposureDose regimenFalciparum malariaSmall childrenLarger childrenDay 7 plasma concentrationsThree-compartment disposition modelUncomplicated Plasmodium falciparum malariaNonlinear mixed-effects modellingPopulation pharmacokinetic propertiesIndividual Participant Data Meta-AnalysisPlasmodium falciparum malariaPopulation pharmacokinetic modelData Meta-AnalysisGuideline development groupUseful therapeutic lifeYoung childrenWorldWide Antimalarial Resistance NetworkConcentration-time dataWorld Health OrganizationDose occasionPiperaquine pharmacokineticsMixed-effects modellingUncomplicated malariaDose regimens
2015
Randomized Noninferiority Trial of Dihydroartemisinin-Piperaquine Compared with Sulfadoxine-Pyrimethamine plus Amodiaquine for Seasonal Malaria Chemoprevention in Burkina Faso
Zongo I, Milligan P, Compaore Y, Some A, Greenwood B, Tarning J, Rosenthal P, Sutherland C, Nosten F, Ouedraogo J. Randomized Noninferiority Trial of Dihydroartemisinin-Piperaquine Compared with Sulfadoxine-Pyrimethamine plus Amodiaquine for Seasonal Malaria Chemoprevention in Burkina Faso. Antimicrobial Agents And Chemotherapy 2015, 59: 4387-4396. PMID: 25918149, PMCID: PMC4505196, DOI: 10.1128/aac.04923-14.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria chemopreventionAlternative drugsControl groupPrimary outcome measureSeasonal malaria transmissionRandomized noninferiority trialPotential alternative drugDihydroartemisinin-PiperaquinePfdhps mutationsClinical malariaMalaria attacksSulfadoxine-pyrimethamineOdds ratioNoninferiority trialOutcome measuresDHAPQChildren 3Malaria transmissionDrug resistanceAntifolate resistanceChemopreventionChildrenAmodiaquineTrials
2014
Efficacy and Day 7 Plasma Piperaquine Concentrations in African Children Treated for Uncomplicated Malaria with Dihydroartemisinin-Piperaquine
Zongo I, Somé FA, Somda SA, Parikh S, Rouamba N, Rosenthal PJ, Tarning J, Lindegardh N, Nosten F, Ouédraogo JB. Efficacy and Day 7 Plasma Piperaquine Concentrations in African Children Treated for Uncomplicated Malaria with Dihydroartemisinin-Piperaquine. PLOS ONE 2014, 9: e103200. PMID: 25133389, PMCID: PMC4136730, DOI: 10.1371/journal.pone.0103200.Peer-Reviewed Original ResearchConceptsDHA-PQRecurrent malariaDaily dosePlasma concentrationsSingle-arm open-label trialHigher median plasma concentrationsFalciparum malaria treatmentMedian daily dosePharmacokinetics of piperaquineRate of recrudescenceOpen-label trialUncomplicated falciparum malariaMedian plasma concentrationVenous plasma concentrationsSuccessful treatment outcomeDihydroartemisinin-PiperaquineExploratory endpointsParasitological efficacyPiperaquine concentrationsUncomplicated malariaOverall recurrenceYounger patientsFalciparum malariaClinical efficacyCombination therapy
2012
Population Pharmacokinetics and Pharmacodynamics of Piperaquine in Children With Uncomplicated Falciparum Malaria
Tarning J, Zongo I, Somé FA, Rouamba N, Parikh S, Rosenthal PJ, Hanpithakpong W, Jongrak N, Day NP, White NJ, Nosten F, Ouedraogo J, Lindegardh N. Population Pharmacokinetics and Pharmacodynamics of Piperaquine in Children With Uncomplicated Falciparum Malaria. Clinical Pharmacology & Therapeutics 2012, 91: 497-505. PMID: 22258469, PMCID: PMC3736305, DOI: 10.1038/clpt.2011.254.Peer-Reviewed Original ResearchConceptsUncomplicated falciparum malariaFalciparum malariaPopulation pharmacokineticsThree-compartment distribution modelNonlinear mixed-effects modelingRecurrent malaria infectionsTotal piperaquine exposureArtemisinin combination treatmentWeight-normalized dosePlasma concentration-time profilesYoung childrenMixed-effects modelingConcentration-time profilesPiperaquine concentrationsPiperaquine exposureDose regimenMalaria infectionPlasma concentrationsPharmacodynamic propertiesCombination treatmentBody weightPiperaquineSignificant covariatesOlder childrenMalaria
2010
Selection of Known Plasmodium falciparum Resistance-Mediating Polymorphisms by Artemether-Lumefantrine and Amodiaquine- Sulfadoxine-Pyrimethamine but Not Dihydroartemisinin- Piperaquine in Burkina Faso
Somé A, Séré Y, Dokomajilar C, Zongo I, Rouamba N, Greenhouse B, Ouédraogo J, Rosenthal P. Selection of Known Plasmodium falciparum Resistance-Mediating Polymorphisms by Artemether-Lumefantrine and Amodiaquine- Sulfadoxine-Pyrimethamine but Not Dihydroartemisinin- Piperaquine in Burkina Faso. Antimicrobial Agents And Chemotherapy 2010, 54: 1949-1954. PMID: 20231394, PMCID: PMC2863637, DOI: 10.1128/aac.01413-09.Peer-Reviewed Original ResearchAmodiaquineAntimalarialsArtemetherArtemisininsBurkina FasoDrug CombinationsDrug Resistance, BacterialEthanolaminesFluorenesGenotypeHumansInfantLumefantrineMalaria, FalciparumMembrane Transport ProteinsMultidrug Resistance-Associated ProteinsPlasmodium falciparumPolymorphism, Single NucleotideProtozoan ProteinsPyrimethamineQuinolinesRandomized Controlled Trials as TopicRecurrenceSulfadoxine
2007
Randomized Comparison of Amodiaquine plus Sulfadoxine-Pyrimethamine, Artemether-Lumefantrine, and Dihydroartemisinin-Piperaquine for the Treatment of Uncomplicated Plasmodium falciparum Malaria in Burkina Faso
Zongo I, Dorsey G, Rouamba N, Dokomajilar C, Séré Y, Rosenthal P, Ouédraogo J. Randomized Comparison of Amodiaquine plus Sulfadoxine-Pyrimethamine, Artemether-Lumefantrine, and Dihydroartemisinin-Piperaquine for the Treatment of Uncomplicated Plasmodium falciparum Malaria in Burkina Faso. Clinical Infectious Diseases 2007, 45: 1453-1461. PMID: 17990228, DOI: 10.1086/522985.Peer-Reviewed Original ResearchConceptsUncomplicated Plasmodium falciparum malariaPlasmodium falciparum malariaFalciparum malariaArtemether-lumefantrineRecurrent parasitemiaUncomplicated P. falciparum malariaCombination antimalarial therapyEarly treatment failureSerious adverse eventsP. falciparum malariaDrug-resistant parasitesYears of ageMonths of ageAntimalarial regimenDihydroartemisinin-PiperaquineLumefantrine regimenAdverse eventsCombination regimensSulfadoxine-pyrimethamineRandomized comparisonTreatment failureNew regimenRecurrent malariaAntimalarial therapyTreatment groups