2021
Effectiveness of seasonal malaria chemoprevention (SMC) treatments when SMC is implemented at scale: Case–control studies in 5 countries
Cairns M, Ceesay S, Sagara I, Zongo I, Kessely H, Gamougam K, Diallo A, Ogboi J, Moroso D, Van Hulle S, Eloike T, Snell P, Scott S, Merle C, Bojang K, Ouedraogo J, Dicko A, Ndiaye J, Milligan P. Effectiveness of seasonal malaria chemoprevention (SMC) treatments when SMC is implemented at scale: Case–control studies in 5 countries. PLOS Medicine 2021, 18: e1003727. PMID: 34495978, PMCID: PMC8457484, DOI: 10.1371/journal.pmed.1003727.Peer-Reviewed Original ResearchMeSH KeywordsAfrica, WesternAge FactorsAmodiaquineAntimalarialsCase-Control StudiesChild, PreschoolCommunicable Disease ControlDrug CombinationsFemaleHumansIncidenceInfantMalaria, FalciparumMaleParasite LoadPlasmodium falciparumProgram EvaluationPyrimethamineRisk AssessmentRisk FactorsSeasonsSulfadoxineTime FactorsTreatment OutcomeConceptsSeasonal malaria chemopreventionCase-control studyClinical malariaOdds ratioClinical trialsNational Malaria Control ProgrammeClinical malaria incidenceIndividual case-control studiesIncidence rate ratiosHigh protective efficacyConditional logistic regressionMalaria control activitiesMalaria control programmesPersonal protectionCase-control designChemoprevention treatmentMalaria chemopreventionSevere malariaSMC treatmentMean agePrimary exposureProtective efficacyResidual confoundingHealth facilitiesParasite density
2019
Genetically diverse Plasmodium falciparum infections, within-host competition and symptomatic malaria in humans
Sondo P, Derra K, Lefevre T, Diallo-Nakanabo S, Tarnagda Z, Zampa O, Kazienga A, Valea I, Sorgho H, Ouedraogo J, Guiguemde T, Tinto H. Genetically diverse Plasmodium falciparum infections, within-host competition and symptomatic malaria in humans. Scientific Reports 2019, 9: 127. PMID: 30644435, PMCID: PMC6333925, DOI: 10.1038/s41598-018-36493-y.Peer-Reviewed Original ResearchConceptsParasite densityMalaria symptomsHemoglobin levelsP. falciparum genetic diversityMixed infectionsMAD20 allelic familyMono-infected individualsLower hemoglobin levelsPlasmodium falciparum infectionAllelic familiesLow parasite densitiesP. falciparum isolatesMixed strain infectionsFC27 allelesSymptomatic malariaOlder patientsFalciparum infectionYounger patientsPharmacovigilance studyFalciparum isolatesHigh parasitaemiaP. falciparumPolymorphic antigensPatientsInfection
2014
Polymorphisms in Plasmodium falciparum Chloroquine Resistance Transporter and Multidrug Resistance 1 Genes: Parasite Risk Factors That Affect Treatment Outcomes for P. falciparum Malaria After Artemether-Lumefantrine and Artesunate-Amodiaquine
Venkatesan M, Gadalla N, Stepniewska K, Dahal P, Nsanzabana C, Moriera C, Price R, Mårtensson A, Rosenthal P, Dorsey G, Sutherland C, Guérin P, Davis T, Ménard D, Adam I, Ademowo G, Arze C, Baliraine F, Berens-Riha N, Björkman A, Borrmann S, Checchi F, Desai M, Dhorda M, Djimdé A, El-Sayed B, Eshetu T, Eyase F, Falade C, Faucher J, Fröberg G, Grivoyannis A, Hamour S, Houzé S, Johnson J, Kamugisha E, Kariuki S, Kiechel J, Kironde F, Kofoed P, LeBras J, Malmberg M, Mwai L, Ngasala B, Nosten F, Nsobya S, Nzila A, Oguike M, Otienoburu S, Ogutu B, Ouédraogo J, Piola P, Rombo L, Schramm B, Somé A, Thwing J, Ursing J, Wong R, Zeynudin A, Zongo I, Plowe C, Sibley C, Asaq Molecular Marker Study Group. Polymorphisms in Plasmodium falciparum Chloroquine Resistance Transporter and Multidrug Resistance 1 Genes: Parasite Risk Factors That Affect Treatment Outcomes for P. falciparum Malaria After Artemether-Lumefantrine and Artesunate-Amodiaquine. American Journal Of Tropical Medicine And Hygiene 2014, 91: 833-843. PMID: 25048375, PMCID: PMC4183414, DOI: 10.4269/ajtmh.14-0031.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAmodiaquineAntimalarialsArtemetherArtemisininsChildChild, PreschoolChloroquineDatasets as TopicDrug CombinationsDrug ResistanceDrug Therapy, CombinationEthanolaminesFluorenesGenetic MarkersGenotypeHumansInfantKaplan-Meier EstimateLumefantrineMalaria, FalciparumMembrane Transport ProteinsMultidrug Resistance-Associated ProteinsPlasmodium falciparumPolymorphism, GeneticProtozoan ProteinsRisk FactorsConceptsArtemether-lumefantrineP. falciparum multidrug resistance 1 genePlasmodium falciparum chloroquine resistance transporterPfmdr1 copy numberArtemisinin combination therapyIndividual patient dataChloroquine resistance transporterMultidrug resistance 1 geneWorldWide Antimalarial Resistance NetworkParasitologic cureCombination therapyParasite polymorphismsPartner drugsTherapeutic responseClinical trialsRelevant outcomesArtemisinin componentPatient dataResistance transporterStandardized methodPolymorphismPatientsPfmdr1PfcrtAmodiaquine
2013
Clinical signs and symptoms cannot reliably predict Plasmodium falciparum malaria infection in pregnant women living in an area of high seasonal transmission
Tahita M, Tinto H, Menten J, Ouedraogo J, Guiguemde R, van Geertruyden J, Erhart A, D’Alessandro U. Clinical signs and symptoms cannot reliably predict Plasmodium falciparum malaria infection in pregnant women living in an area of high seasonal transmission. Malaria Journal 2013, 12: 464. PMID: 24373481, PMCID: PMC3877878, DOI: 10.1186/1475-2875-12-464.Peer-Reviewed Original ResearchConceptsPregnant womenMalaria infectionRapid diagnostic testsCommon signsPredictive valuePlasmodium falciparum malaria infectionMajor public health problemDiagnostic testsCommon malaria symptomsHigh seasonal transmissionFalciparum malaria infectionHistory of feverSymptoms of malariaPublic health problemPositive predictive valueIntensity of transmissionClinical malariaClinical presentationGestational ageMalaria symptomsDistrict hospitalOverall prevalenceMaternity clinicsClinical signsEndemic countriesEndémie bilharzienne à Schistosoma mansoni à la vallée du Kou : caractérisation du système de transmission et impact socioéconomique
Kpoda N, Sorgho H, Poda J, Ouédraogo J, Kabré G. Endémie bilharzienne à Schistosoma mansoni à la vallée du Kou : caractérisation du système de transmission et impact socioéconomique. Comptes Rendus Biologies 2013, 336: 284-288. PMID: 23916204, DOI: 10.1016/j.crvi.2013.04.008.Peer-Reviewed Original ResearchConceptsKato-Katz methodRisk of infectionHuman schistosomiasisRisk of factorsInfectionDiseaseSchistosomiasisSocio-professional categoryBurkina FasoBehavioral changesTransmission patternsHost-parasite interactionsRiskVallée du KouSocioeconomic consequencesPopulationHousehold activitiesActivitySocioeconomic impactStudyYoung people
2006
In vivo sensitivity of Plasmodium faciparum to chloroquine and sulfadoxine pyrimethamine in the Bobo Dioulasso region (1998-2001): risk factors associated with treatments failures to the two drugs.
Tinto H, Sanou B, Erhart A, D'Alessandro U, Ouédraogo J, Guiguemdé T. In vivo sensitivity of Plasmodium faciparum to chloroquine and sulfadoxine pyrimethamine in the Bobo Dioulasso region (1998-2001): risk factors associated with treatments failures to the two drugs. Bulletin De La Société De Pathologie Exotique 2006, 99: 161-5. PMID: 16983817.Peer-Reviewed Original ResearchConceptsCQ treatment failureTreatment failureRisk factorsMultivariate analysisVivo field testTotal treatment failureYears of ageTime of recruitmentSignificant increaseSulfadoxine-pyrimethamineCQ groupUnivariate analysisHealth centersAge of childrenLate failureLow parasitaemiaBetter efficacyDay 14Therapeutic efficacyDay 0SP groupVivo sensitivityParasitaemiaChloroquineDrugs