2023
Artemether-lumefantrine efficacy among adults on antiretroviral therapy in Malawi
Nyangulu W, Mungwira R, Divala T, Nampota-Nkomba N, Nyirenda O, Buchwald A, Miller J, Earland D, Adams M, Plowe C, Taylor T, Mallewa J, van Oosterhout J, Parikh S, Laurens M, Laufer M. Artemether-lumefantrine efficacy among adults on antiretroviral therapy in Malawi. Malaria Journal 2023, 22: 32. PMID: 36707795, PMCID: PMC9881508, DOI: 10.1186/s12936-023-04466-w.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyLumefantrine levelsTreatment failureDrug-drug interactionsACPR ratesMalaria infectionTrimethoprim-sulfamethoxazolePCR correctionTreatment efficacyUndetectable HIV RNA viral loadEfavirenz-based antiretroviral therapyHIV RNA viral loadUncomplicated Plasmodium falciparum malariaHuman immunodeficiency virus (HIV) infectionArtemether-lumefantrine efficacyCohort of PWHEfavirenz-based regimensImmunodeficiency virus infectionRNA viral loadPlasmodium falciparum malariaMalaria treatment failurePopulation of adultsRandom-effects modelTherapeutic efficacy monitoringLumefantrine exposure
2022
The Impact of Extended Treatment With Artemether-lumefantrine on Antimalarial Exposure and Reinfection Risks in Ugandan Children With Uncomplicated Malaria: A Randomized Controlled Trial
Whalen ME, Kajubi R, Goodwin J, Orukan F, Colt M, Huang L, Richards K, Wang K, Li F, Mwebaza N, Aweeka FT, Parikh S. The Impact of Extended Treatment With Artemether-lumefantrine on Antimalarial Exposure and Reinfection Risks in Ugandan Children With Uncomplicated Malaria: A Randomized Controlled Trial. Clinical Infectious Diseases 2022, 76: 443-452. PMID: 36130191, PMCID: PMC9907485, DOI: 10.1093/cid/ciac783.Peer-Reviewed Original ResearchConceptsArtemether-lumefantrineReinfection riskArtemisinin-based combination therapyDay 7 levelsOverall drug exposureHigh transmission settingsYoung childrenAntimalarial exposureUncomplicated malariaExtended regimenRecurrent parasitemiaControlled TrialsPrimary outcomeCombination therapyKaplan-MeierDrug exposureTotal episodesUgandan childrenArtemisinin resistanceLumefantrine concentrationsPharmacodynamic studiesHigh riskPharmacokinetic parametersRecurrence riskDay 7
2018
Artemether-lumefantrine dosing for malaria treatment in young children and pregnant women: A pharmacokinetic-pharmacodynamic meta-analysis
Kloprogge F, Workman L, Borrmann S, Tékété M, Lefèvre G, Hamed K, Piola P, Ursing J, Kofoed PE, Mårtensson A, Ngasala B, Björkman A, Ashton M, Hietala S, Aweeka F, Parikh S, Mwai L, Davis TME, Karunajeewa H, Salman S, Checchi F, Fogg C, Newton PN, Mayxay M, Deloron P, Faucher JF, Nosten F, Ashley EA, McGready R, van Vugt M, Proux S, Price RN, Karbwang J, Ezzet F, Bakshi R, Stepniewska K, White NJ, Guerin PJ, Barnes KI, Tarning J. Artemether-lumefantrine dosing for malaria treatment in young children and pregnant women: A pharmacokinetic-pharmacodynamic meta-analysis. PLOS Medicine 2018, 15: e1002579. PMID: 29894518, PMCID: PMC5997317, DOI: 10.1371/journal.pmed.1002579.Peer-Reviewed Original ResearchConceptsPregnant womenArtemether-lumefantrineCure rateClinical studiesYoung childrenCurrent standard treatment regimenUncomplicated Plasmodium falciparum malariaPharmacokinetic modelAbsorption of lumefantrinePre-treatment parasitaemiaVenous plasma dataAlternative dosing regimensPlasmodium falciparum malariaStandard treatment regimenProspective clinical studyNon-pregnant adultsLow cure ratePopulation pharmacokinetic modelRelevant clinical studiesUseful therapeutic lifeFrequency of dosingConcentration-time dataHigher individual dosesLumefantrine exposureLumefantrine levels
2016
Population Pharmacokinetics and Pharmacodynamics of Lumefantrine in Young Ugandan Children Treated With Artemether-Lumefantrine for Uncomplicated Malaria
Tchaparian E, Sambol NC, Arinaitwe E, McCormack SA, Bigira V, Wanzira H, Muhindo M, Creek DJ, Sukumar N, Blessborn D, Tappero JW, Kakuru A, Bergqvist Y, Aweeka FT, Parikh S. Population Pharmacokinetics and Pharmacodynamics of Lumefantrine in Young Ugandan Children Treated With Artemether-Lumefantrine for Uncomplicated Malaria. The Journal Of Infectious Diseases 2016, 214: 1243-1251. PMID: 27471317, PMCID: PMC5034953, DOI: 10.1093/infdis/jiw338.Peer-Reviewed Original ResearchConceptsArtemether-lumefantrineRecurrent parasitemiaLumefantrine exposurePopulation pharmacokineticsUgandan childrenYoung Ugandan childrenPlasmodium falciparum malariaDay 7 concentrationsAge 6 monthsFirst-order absorptionWhole blood concentrationsYoung childrenUncomplicated malariaFalciparum malariaBlood concentrationsTreatment outcomesLumefantrine concentrationsSignificant positive correlationParasitemiaOlder childrenPharmacokineticsLumefantrineMalariaExposure levelsOpen modelAntiretroviral Choice for HIV Impacts Antimalarial Exposure and Treatment Outcomes in Ugandan Children
Parikh S, Kajubi R, Huang L, Ssebuliba J, Kiconco S, Gao Q, Li F, Were M, Kakuru A, Achan J, Mwebaza N, Aweeka FT. Antiretroviral Choice for HIV Impacts Antimalarial Exposure and Treatment Outcomes in Ugandan Children. Clinical Infectious Diseases 2016, 63: 414-422. PMID: 27143666, PMCID: PMC4946019, DOI: 10.1093/cid/ciw291.Peer-Reviewed Original ResearchConceptsArtemether-lumefantrine treatmentLPV/rRecurrent malariaLumefantrine exposureDrug exposureCritical drug-drug interactionsFirst-line antiretroviral therapy regimensArtemisinin-based combination therapyLopinavir/ritonavirAntiretroviral therapy regimensPlasmodium falciparum malariaHuman immunodeficiency virusDay 7 concentrationsMalaria-endemic regionsDrug-drug interactionsAntimalarial exposureAntimalarial componentPharmacokinetic samplingArtemether-lumefantrineFalciparum malariaClinical outcomesDosing regimensTherapy regimensImmunodeficiency virusCombination therapy
2015
Artemether-Lumefantrine Pharmacokinetics and Clinical Response Are Minimally Altered in Pregnant Ugandan Women Treated for Uncomplicated Falciparum Malaria
Nyunt MM, Nguyen VK, Kajubi R, Huang L, Ssebuliba J, Kiconco S, Mwima MW, Achan J, Aweeka F, Parikh S, Mwebaza N. Artemether-Lumefantrine Pharmacokinetics and Clinical Response Are Minimally Altered in Pregnant Ugandan Women Treated for Uncomplicated Falciparum Malaria. Antimicrobial Agents And Chemotherapy 2015, 60: 1274-1282. PMID: 26666942, PMCID: PMC4775973, DOI: 10.1128/aac.01605-15.Peer-Reviewed Original ResearchConceptsNonpregnant adultsPregnant womenArtemether-lumefantrineFalciparum malariaUncomplicated Plasmodium falciparum malariaPharmacokinetics of artemetherPregnant Ugandan womenSix-dose regimenFirst-line regimenUncomplicated falciparum malariaPlasmodium falciparum malariaHigh transmission settingsUncomplicated malariaClinical responsePharmacokinetic exposureTerminal eliminationClinical outcomesThird trimesterTreatment responseAntimalarial efficacyProphylactic periodUgandan womenPharmacokineticsDrug resistanceOverall pharmacokineticsThe epidemiological impact of HIV antiretroviral therapy on malaria in children
Greenhalgh S, Ndeffo M, Galvani AP, Parikh S. The epidemiological impact of HIV antiretroviral therapy on malaria in children. AIDS 2015, 29: 473-482. PMID: 25486414, PMCID: PMC4391884, DOI: 10.1097/qad.0000000000000550.Peer-Reviewed Original ResearchConceptsHIV protease inhibitorsRecurrent malariaMalaria transmissionAntiretroviral therapyArtemether-lumefantrineAnnual incidenceProtease inhibitorsFirst-line antiretroviral regimenFirst-line antiretroviral therapyArtemether-lumefantrine treatmentHIV-negative childrenFirst-line antimalarialsHIV prevalence settingsHIV antiretroviral therapyRecent clinical trialsHIV prevalence levelsMalaria transmission settingsMalaria transmission intensityAntiretroviral regimenAntimalarial treatmentHIV prevalenceProphylactic effectPrevalence settingsClinical trialsHealth burden
2009
Pharmacokinetics of Artemether-Lumefantrine and Artesunate-Amodiaquine in Children in Kampala, Uganda
Mwesigwa J, Parikh S, McGee B, German P, Drysdale T, Kalyango JN, Clark TD, Dorsey G, Lindegardh N, Annerberg A, Rosenthal PJ, Kamya MR, Aweeka F. Pharmacokinetics of Artemether-Lumefantrine and Artesunate-Amodiaquine in Children in Kampala, Uganda. Antimicrobial Agents And Chemotherapy 2009, 54: 52-59. PMID: 19841149, PMCID: PMC2798532, DOI: 10.1128/aac.00679-09.Peer-Reviewed Original ResearchConceptsArtemisinin-based combination therapyUncomplicated malariaActive metaboliteConcentration-time curveWorld Health OrganizationACT regimensArtesunate-AmodiaquineLast doseArtemether-lumefantrineLevel of exposureDrug regimensVenous samplingCombination therapyUgandan childrenPK parametersPharmacokinetic dataArtemisinin derivativesPK resultsOptimum dosingRegimensLumefantrineHealth OrganizationAdultsChildrenDesethylamodiaquine