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 PCRPersistent and multiclonal malaria parasite dynamics despite extended artemether-lumefantrine treatment in children
Goodwin J, Kajubi R, Wang K, Li F, Wade M, Orukan F, Huang L, Whalen M, Aweeka F, Mwebaza N, Parikh S. Persistent and multiclonal malaria parasite dynamics despite extended artemether-lumefantrine treatment in children. Nature Communications 2024, 15: 3817. PMID: 38714692, PMCID: PMC11076639, DOI: 10.1038/s41467-024-48210-7.Peer-Reviewed Original ResearchConceptsDay 7 lumefantrine concentrationsArtemether-lumefantrine treatmentRing-stage parasitesEarly post-treatmentEarly post-treatment periodArtemether-lumefantrineArtemisinin resistanceDay regimenMulticlonal infectionsEfficacious therapyFollow-upRandomized trialsPersistent clonesTransmission settingsEffective treatmentPost-treatment periodRegimensAntimalarial studiesStandard diagnosticsStandard 3DaysPost-treatmentChildrenTreatmentTherapy
2023
Tracking antimalarial drug resistance using mosquito blood meals: a cross-sectional study
Ehrlich H, Somé A, Bazié T, Ebou C, Dembélé E, Balma R, Goodwin J, Wade M, Bei A, Ouédraogo J, Foy B, Dabiré R, Parikh S. Tracking antimalarial drug resistance using mosquito blood meals: a cross-sectional study. The Lancet Microbe 2023, 4: e461-e469. PMID: 37086737, PMCID: PMC10365133, DOI: 10.1016/s2666-5247(23)00063-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntimalarialsCross-Sectional StudiesCulicidaeFolic Acid AntagonistsHumansPlasmodium falciparumPolymerase Chain ReactionConceptsMosquito blood mealsAntimalarial drug resistanceSurvey 3Blood-fed mosquitoesBlood samplesSurvey 1Survey 2Blood mealDrug resistanceUltrasensitive quantitative PCRHuman blood samplesCross-sectional studyMargin of equivalenceStrong surveillance systemCross-sectional surveySupplementary Materials sectionMarker of clonalityPragmatic thresholdAntimalarial resistanceDrug susceptibilityInfectious diseasesPlasmodium falciparumNational InstituteTolerabilityMaterial section
2022
Clinical characteristics of Plasmodium falciparum infection among symptomatic patients presenting to a major urban military hospital in Cameroon
Hodson DZ, Mbarga Etoundi Y, Mbatou Nghokeng N, Mohamadou Poulibe R, Magne Djoko S, Goodwin J, Cheteug Nguesta G, Nganso T, Armstrong JN, Andrews JJ, Zhang E, Wade M, Eboumbou Moukoko CE, Boum Y, Parikh S. Clinical characteristics of Plasmodium falciparum infection among symptomatic patients presenting to a major urban military hospital in Cameroon. Malaria Journal 2022, 21: 298. PMID: 36273147, PMCID: PMC9588226, DOI: 10.1186/s12936-022-04315-2.Peer-Reviewed Original ResearchConceptsP. falciparum infectionPopulation attributable risk percentFalciparum infectionPlasmodium falciparum infectionYears of ageClinical characteristicsUrban hospitalMilitary HospitalAttributable risk percentHigher positivity rateLikelihood ratioRapid diagnostic testsMajor urban hospitalRural African settingConclusionsThe prevalenceHigh feverSymptomatic patientsHemoglobin levelsAnemia prevalenceSevere anemiaEmergency departmentVenous samplesClinical surveyPositivity rateWHO definition
2019
Comparison on simultaneous capillary and venous parasite density and genotyping results from children and adults with uncomplicated malaria: a prospective observational study in Uganda
Lehane A, Were M, Wade M, Hamadu M, Cahill M, Kiconco S, Kajubi R, Aweeka F, Mwebaza N, Li F, Parikh S. Comparison on simultaneous capillary and venous parasite density and genotyping results from children and adults with uncomplicated malaria: a prospective observational study in Uganda. BMC Infectious Diseases 2019, 19: 559. PMID: 31242863, PMCID: PMC6595677, DOI: 10.1186/s12879-019-4174-1.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAIDS-Related Opportunistic InfectionsAnimalsAntimalarialsArtemether, Lumefantrine Drug CombinationCapillariesChildChild, PreschoolDrug MonitoringFemaleGenotypeGenotyping TechniquesHIVHIV InfectionsHumansInfantMalaria, FalciparumMaleMiddle AgedParasite LoadParasitemiaPlasmodium falciparumUgandaVeinsYoung AdultConceptsTime of presentationVenous blood smearsProspective observational studyParasite densityVenous compartmentBlood smearsVenous samplesObservational studyMSP-2Uncomplicated Plasmodium falciparum malariaTrial registrationThe trialPlasmodium falciparum malariaResultsTwo hundred twentyMalaria parasite densityClinical research settingResearch settingsUncomplicated malariaArtemether-lumefantrineFalciparum malariaParasite genotypingBland-Altman analysisHundred twentyMalaria diagnosisNew infectionsGold standard method