2024
Noninvasive in vivo photoacoustic detection of malaria with Cytophone in Cameroon
Yadem A, Armstrong J, Sarimollaoglu M, Kiki Massa C, Ndifo J, Menyaev Y, Mbe A, Richards K, Wade M, Zeng Y, Chen R, Zhou Q, Meten E, Ntone R, Tchuedji Y, Ullah S, Galanzha E, Eteki L, Gonsu H, Biris A, Suen J, Boum Y, Zharov V, Parikh S. Noninvasive in vivo photoacoustic detection of malaria with Cytophone in Cameroon. Nature Communications 2024, 15: 9228. PMID: 39455558, PMCID: PMC11511992, DOI: 10.1038/s41467-024-53243-z.Peer-Reviewed Original ResearchConceptsClearance of parasitemiaDetection of malariaMalaria-infected red blood cellsDiagnosed symptomatic casesCross-sectional cohortUncomplicated malariaMalaria diagnosticsMalaria infectionRed blood cellsSymptomatic casesTarget antigenAsymptomatic reservoirCameroonian adultsFlow cytometer platformBlood samplesReservoir of infectionBlood cellsLack sensitivityLongitudinal cohortMolecular assaysMalariaIRBCPoint-of-careCohortQuantitative PCR
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
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
2008
Experimental Malaria Infection Triggers Early Expansion of Natural Killer Cells
Kim CC, Parikh S, Sun JC, Myrick A, Lanier LL, Rosenthal PJ, DeRisi JL. Experimental Malaria Infection Triggers Early Expansion of Natural Killer Cells. Infection And Immunity 2008, 76: 5873-5882. PMID: 18824529, PMCID: PMC2583561, DOI: 10.1128/iai.00640-08.Peer-Reviewed Original ResearchConceptsNK cellsNatural killerInfected miceMajor histocompatibility complex class IEarly malaria infectionNatural killer cellsHistocompatibility complex class IH postinfectionComplex class IMicroarray analysisChabaudi infectionKiller cellsMalaria infectionPeripheral bloodImmune responsePlasmodium chabaudiFlow cytometryInfectionClass IBlood responseExpression signaturesMiceBloodEarly responseSubsequent response