2022
Impact of Drug Exposure on Resistance Selection Following Artemether‐Lumefantrine Treatment for Malaria in Children With and Without HIV in Uganda
Kay K, Goodwin J, Ehrlich H, Ou J, Freeman T, Wang K, Li F, Wade M, French J, Huang L, Aweeka F, Mwebaza N, Kajubi R, Riggs M, Ruiz‐Garcia A, Parikh S. Impact of Drug Exposure on Resistance Selection Following Artemether‐Lumefantrine Treatment for Malaria in Children With and Without HIV in Uganda. Clinical Pharmacology & Therapeutics 2022, 113: 660-669. PMID: 36260349, PMCID: PMC9981240, DOI: 10.1002/cpt.2768.Peer-Reviewed Original ResearchConceptsLopinavir-ritonavirLumefantrine concentrationsSensitive parasitesRecurrence riskPopulation PK/PD modelArtemether-lumefantrine treatmentTrimethoprim-sulfamethoxazole prophylaxisPK/PD modelPopulation PK modelFirst-order absorptionHigh transmission regionsAntiretroviral regimensLumefantrine exposureLumefantrine susceptibilityPfcrt K76Pfmdr1 N86Suboptimal dosingArtemether-lumefantrineTwo-compartment modelHIV statusRecurrent infectionsCombination therapyDrug exposurePrimary treatmentArtemisinin resistance
2020
An Individual Participant Data Population Pharmacokinetic Meta-analysis of Drug-Drug Interactions between Lumefantrine and Commonly Used Antiretroviral Treatment
Francis J, Barnes KI, Workman L, Kredo T, Vestergaard LS, Hoglund RM, Byakika-Kibwika P, Lamorde M, Walimbwa SI, Chijioke-Nwauche I, Sutherland CJ, Merry C, Scarsi KK, Nyagonde N, Lemnge MM, Khoo SH, Bygbjerg IC, Parikh S, Aweeka FT, Tarning J, Denti P. An Individual Participant Data Population Pharmacokinetic Meta-analysis of Drug-Drug Interactions between Lumefantrine and Commonly Used Antiretroviral Treatment. Antimicrobial Agents And Chemotherapy 2020, 64: 10.1128/aac.02394-19. PMID: 32071050, PMCID: PMC7179577, DOI: 10.1128/aac.02394-19.Peer-Reviewed Original ResearchConceptsDrug-drug interactionsAntiretroviral therapyDolutegravir-based antiretroviral therapyPotential drug-drug interactionsDay 7 concentrationsIndividual participant dataConcomitant efavirenzLopinavir-ritonavirLumefantrine exposureLumefantrine regimenAntituberculosis treatmentUncomplicated malariaAntiretroviral treatmentHIV infectionTreatment failurePopulation pharmacokineticsLumefantrine concentrationsLarger body weightBody weightEfavirenzParticipant dataLumefantrineMalariaAdult participantsRifampin
2016
Malaria in HIV-Infected Children Receiving HIV Protease-Inhibitor- Compared with Non-Nucleoside Reverse Transcriptase Inhibitor-Based Antiretroviral Therapy, IMPAACT P1068s, Substudy to P1060
Hobbs CV, Gabriel EE, Kamthunzi P, Tegha G, Tauzie J, Petzold E, Barlow-Mosha L, H. BH, Li Y, Ilmet T, Kirmse B, Neal J, Parikh S, Deygoo N, Philippe P, Mofenson L, Prescott W, Chen J, Musoke P, Palumbo P, Duffy PE, Borkowsky W, Team F. Malaria in HIV-Infected Children Receiving HIV Protease-Inhibitor- Compared with Non-Nucleoside Reverse Transcriptase Inhibitor-Based Antiretroviral Therapy, IMPAACT P1068s, Substudy to P1060. PLOS ONE 2016, 11: e0165140. PMID: 27936233, PMCID: PMC5147802, DOI: 10.1371/journal.pone.0165140.Peer-Reviewed Original ResearchMeSH KeywordsAntimalarialsCD4 Lymphocyte CountChildChild, PreschoolCoinfectionDrug Therapy, CombinationFemaleHIV InfectionsHIV Protease InhibitorsHIV-1HumansInfantLamivudineLopinavirMalaria, FalciparumMalawiMaleNevirapinePlasmodium falciparumReverse Transcriptase InhibitorsRitonavirViral LoadZidovudineConceptsNon-nucleoside reverse transcriptase inhibitorAntiretroviral therapyReverse transcriptase inhibitorBlood smear microscopyHIV protease inhibitorsPositive BSTranscriptase inhibitorProtease inhibitorsClinical malaria incidenceMalaria parasite carriageMalaria-endemic settingsHIV antiretroviral therapyAnti-malarial treatmentLopinavir-ritonavirIllness visitsParasite carriageMalaria treatmentClinical studiesSmear microscopyLower riskMalaria incidenceFurther evaluationMalaria parasitesHIVMonths
2007
Amodiaquine Metabolism is Impaired by Common Polymorphisms in CYP2C8: Implications for Malaria Treatment in Africa
Parikh S, Ouedraogo J, Goldstein JA, Rosenthal PJ, Kroetz DL. Amodiaquine Metabolism is Impaired by Common Polymorphisms in CYP2C8: Implications for Malaria Treatment in Africa. Clinical Pharmacology & Therapeutics 2007, 82: 197-203. PMID: 17361129, DOI: 10.1038/sj.clpt.6100122.Peer-Reviewed Original ResearchMeSH KeywordsAlkynesAmodiaquineAntimalarialsAryl Hydrocarbon HydroxylasesBenzoxazinesBurkina FasoChromatography, High Pressure LiquidCyclopropanesCytochrome P-450 CYP2C8Dose-Response Relationship, DrugDrug InteractionsEnzyme InhibitorsGenotypeHIV Protease InhibitorsHumansLopinavirMalaria, FalciparumModels, BiologicalPolymorphism, GeneticPyridinesPyrimidinonesPyronesReverse Transcriptase InhibitorsSaquinavirSpectrophotometry, UltravioletSulfonamidesTreatment OutcomeTrimethoprimConceptsAntimalarial drug amodiaquineMalaria-infected patientsAntiretroviral drug efavirenzImportant clinical implicationsAmodiaquine metabolismCYP2C8 genotypeMalaria treatmentN-desethylamodiaquineCYP2C8 variantsCYP2C8 activityCYP2C8 inhibitorsDrug interactionsDefective metabolismClinical implicationsCYP2C8Common polymorphismsDrug efavirenzMetabolismRelevant concentrationsDrugsEfficacyPrimary metabolitesAllele frequenciesToxicitySample size