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
2015
Ex vivo anti-malarial drug susceptibility of Plasmodium falciparum isolates from pregnant women in an area of highly seasonal transmission in Burkina Faso
Tahita M, Tinto H, Yarga S, Kazienga A, Traore/Coulibaly M, Valea I, Van Overmeir C, Rosanas-Urgell A, Ouedraogo J, Guiguemde R, van Geertruyden J, Erhart A, D’Alessandro U. Ex vivo anti-malarial drug susceptibility of Plasmodium falciparum isolates from pregnant women in an area of highly seasonal transmission in Burkina Faso. Malaria Journal 2015, 14: 251. PMID: 26088768, PMCID: PMC4474342, DOI: 10.1186/s12936-015-0769-1.Peer-Reviewed Original ResearchConceptsPregnant womenAnti-malarial drugsDrug sensitivity profilesParasite densityAnti-malarial drug susceptibilityDifferent drug sensitivity profilesUncomplicated Plasmodium falciparum malariaTreatment Efficacy TrialInfected pregnant womenArtemisinin-based combinationsPlasmodium falciparum malariaChloroquine-resistant isolatesHistidine-rich protein-2 assayPlasmodium falciparum isolatesGeometric mean IC50Low parasite densitiesP. falciparum parasitesTreatment of malariaFalciparum malariaRecurrent infectionsMean IC50Efficacy trialsFalciparum isolatesMethodsThe studyResistant parasites
2014
Experimental study of the relationship between Plasmodium gametocyte density and infection success in mosquitoes; implications for the evaluation of malaria transmission-reducing interventions
Da D, Churcher T, Yerbanga R, Yaméogo B, Sangaré I, Ouedraogo J, Sinden R, Blagborough A, Cohuet A. Experimental study of the relationship between Plasmodium gametocyte density and infection success in mosquitoes; implications for the evaluation of malaria transmission-reducing interventions. Experimental Parasitology 2014, 149: 74-83. PMID: 25541384, DOI: 10.1016/j.exppara.2014.12.010.Peer-Reviewed Original ResearchConceptsGametocyte densityParasite densityBlood samplesInfected bloodMouse bloodInfectious blood samplesMembrane feeding assaysPlasmodium berghei infectionTransmission-reducing interventionsPlasmodium falciparum samplesBlood dilutionEvaluation of transmissionInfected mouse bloodBerghei infectionPlasmodium infectionMosquito infectivityAnopheles coluzzii mosquitoesInhibitory factorMonoclonal antibodiesBloodAccurate relative measuresInfectionUninfected bloodHost bloodColuzzii mosquitoes
1998
In vitro sensitivity of Plasmodium falciparum to halofantrine compared with chloroquine, quinine and mefloquine in the region of Bobo-Dioulasso, Burkina Faso (West Africa).
Ouédraogo J, Dutheil Y, Tinto H, Traoré B, Zampa H, Tall F, Coulibaly S, Guiguemdé T. In vitro sensitivity of Plasmodium falciparum to halofantrine compared with chloroquine, quinine and mefloquine in the region of Bobo-Dioulasso, Burkina Faso (West Africa). Tropical Medicine And International Health 1998, 3: 381-4. PMID: 9623943.Peer-Reviewed Original ResearchConceptsChloroquine-resistant isolatesMean IC50 valuesChloroquine-sensitive isolatesDrug-resistant isolatesBobo-DioulassoIC50 valuesProportion of isolatesParasite densityMefloquineSignificant positive correlationHalofantrinePlasmodium falciparumNew antimalarialsCase of quinineSignificant differencesQuinineChloroquineAntimalarialsPositive correlationIsolatesBurkina FasoProportion
1997
Malaria morbidity in adults living in urban Burkina Faso.
Guiguemde T, Ouedraogo I, Ouedraogo J, Coulibaly S, Gbary A. Malaria morbidity in adults living in urban Burkina Faso. Medecine Tropicale 1997, 57: 165-8. PMID: 9304011.Peer-Reviewed Original ResearchConceptsLevel of immunizationPoor positive predictive valueSerious public health problemMain clinical featuresPublic health problemDiagnosis of malariaBobo-DioulassoPositive predictive valueParasitic indexMedian parasitemiaClinical featuresClinical symptomsMalaria morbidityProspective studyParasitological featuresParasite densityHigh incidencePlace of residencePredictive valueHealth problemsEndemic malariaMalariaUrban Burkina FasoAdultsMicroscopic examination
1992
Variation of the parasite density of Plasmodium falciparum in asymptomatic carriers: consequences for malaria chemoresistance studies.
Guiguemde T, Toe A, Sadeler B, Gbary A, Ouedraogo J, Louboutin-Croc J. Variation of the parasite density of Plasmodium falciparum in asymptomatic carriers: consequences for malaria chemoresistance studies. Medecine Tropicale 1992, 52: 313-5. PMID: 1435194.Peer-Reviewed Original ResearchConceptsDay 4Parasite densityDay 0Plasmodium falciparumAsymptomatic peopleAsymptomatic carriersInclusion criteriaMalaria prevalenceStudy 16Drug absorptionPrimary school childrenParasitaemiaBobo-DioulassoNycthemeral variationsFurther studiesSignificant differencesChildrenSchool childrenVivo testsFalciparumNegativationChemosensitivityGreater numberPrevalenceChemoresistance
1991
The role of malaria in febrile diseases in the urban environment of Ouagadougou (Burkina Faso, West Africa).
Coulibaly C, Guiguemde T, Lamizana L, Ouedraogo J, Dabiret E. The role of malaria in febrile diseases in the urban environment of Ouagadougou (Burkina Faso, West Africa). Tropical Medicine And International Health 1991, 71: 5-10. PMID: 2043001.Peer-Reviewed Original Research