2024
Ex vivo drug susceptibility and resistance mediating genetic polymorphisms of Plasmodium falciparum in Bobo-Dioulasso, Burkina Faso
Somé A, Conrad M, Kabré Z, Fofana A, Yerbanga R, Bazié T, Neya C, Somé M, Kagambega T, Legac J, Garg S, Bailey J, Ouédraogo J, Rosenthal P, Cooper R. Ex vivo drug susceptibility and resistance mediating genetic polymorphisms of Plasmodium falciparum in Bobo-Dioulasso, Burkina Faso. Antimicrobial Agents And Chemotherapy 2024, 68: e01534-23. PMID: 38411062, PMCID: PMC10989024, DOI: 10.1128/aac.01534-23.Peer-Reviewed Original ResearchResistance to antifolatesUncomplicated malariaEx vivo drug susceptibilityArtemisinin partial resistanceMonthly sulfadoxine-pyrimethaminePfcrt K76TPfK13 propeller domainResistance-mediating polymorphismsSeasonal malaria chemopreventionTreating uncomplicated malariaResistance to cycloguanilHigh-level resistancePlasmodium falciparum</i>A581GA613S mutationsPfdhps mutationsPfmdr1 N86YArtemether-lumefantrineK76TSulfadoxine-pyrimethamineMalaria chemopreventionPrevent malariaBobo-DioulassoDrug susceptibilityPrincipal therapy
2023
Seasonal vaccination with RTS,S/AS01E vaccine with or without seasonal malaria chemoprevention in children up to the age of 5 years in Burkina Faso and Mali: a double-blind, randomised, controlled, phase 3 trial
Dicko A, Ouedraogo J, Zongo I, Sagara I, Cairns M, Yerbanga R, Issiaka D, Zoungrana C, Sidibe Y, Tapily A, Nikièma F, Sompougdou F, Sanogo K, Kaya M, Yalcouye H, Dicko O, Diarra M, Diarra K, Thera I, Haro A, Sienou A, Traore S, Mahamar A, Dolo A, Kuepfer I, Snell P, Grant J, Webster J, Milligan P, Lee C, Ockenhouse C, Ofori-Anyinam O, Tinto H, Djimde A, Chandramohan D, Greenwood B. Seasonal vaccination with RTS,S/AS01E vaccine with or without seasonal malaria chemoprevention in children up to the age of 5 years in Burkina Faso and Mali: a double-blind, randomised, controlled, phase 3 trial. The Lancet Infectious Diseases 2023, 24: 75-86. PMID: 37625434, DOI: 10.1016/s1473-3099(23)00368-7.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionPhase 3 trialClinical malariaAlone groupMalaria Vaccine InitiativeMalaria chemopreventionSeasonal vaccinationProtective efficacyCombined groupPATH Malaria Vaccine InitiativeGlobal Health TrialsPrimary trial endpointSeasonal malaria transmissionSingle intervention groupSupplementary Materials sectionBougouni DistrictCause deathModified intentionProtocol populationControl vaccineMalaria vaccinationMalarial anemiaSevere malariaBlood transfusionHospital admissionSeasonal Malaria Chemoprevention Drug Levels and Drug Resistance Markers in Children With or Without Malaria in Burkina Faso: A Case-Control Study
Roh M, Zongo I, Haro A, Huang L, Somé A, Yerbanga R, Conrad M, Wallender E, Legac J, Aweeka F, Ouédraogo J, Rosenthal P. Seasonal Malaria Chemoprevention Drug Levels and Drug Resistance Markers in Children With or Without Malaria in Burkina Faso: A Case-Control Study. The Journal Of Infectious Diseases 2023, 228: 926-935. PMID: 37221018, PMCID: PMC10547452, DOI: 10.1093/infdis/jiad172.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionDrug levelsMonths of ageOdds ratioHigh-level SP resistanceSP-AQCase-control studyConditional logistic regressionLow drug levelsPrevalence of mutationsDrug resistance markersCase-control designResistance markersIncident malariaParasitemic childrenMalaria chemopreventionAntimalarial resistanceChildren 6Health facilitiesSP resistanceChildren 3Malaria incidenceDrug resistanceMalariaLogistic regression
2022
Seasonal use case for the RTS,S/AS01 malaria vaccine: a mathematical modelling study
Thompson H, Hogan A, Walker P, Winskill P, Zongo I, Sagara I, Tinto H, Ouedraogo J, Dicko A, Chandramohan D, Greenwood B, Cairns M, Ghani A. Seasonal use case for the RTS,S/AS01 malaria vaccine: a mathematical modelling study. The Lancet Global Health 2022, 10: e1782-e1792. PMID: 36400084, DOI: 10.1016/s2214-109x(22)00416-8.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionSeasonal transmission settingsS vaccinationTransmission settingsTransmission seasonFull therapeutic coursePhase 3b trialSevere malaria outcomesUK Medical Research CouncilEstimates of casesDuration of protectionMalaria transmission intensityEntomological inoculation rateGreater absolute reductionMedical Research CouncilTransmission intensitySignificant additional protectionAge-based strategiesMalaria outcomesClinical malariaMalaria chemopreventionVaccination scheduleMalaria vaccineClinical incidenceClinical trialsPrevalence of Plasmodium falciparum haplotypes associated with resistance to sulfadoxine–pyrimethamine and amodiaquine before and after upscaling of seasonal malaria chemoprevention in seven African countries: a genomic surveillance study
Beshir K, Muwanguzi J, Nader J, Mansukhani R, Traore A, Gamougam K, Ceesay S, Bazie T, Kolie F, Lamine M, Cairns M, Snell P, Scott S, Diallo A, Merle C, NDiaye J, Razafindralambo L, Moroso D, Ouedraogo J, Zongo I, Kessely H, Doumagoum D, Bojang K, Ceesay S, Loua K, Maiga H, Dicko A, Sagara I, Laminou I, Ogboi S, Eloike T, Milligan P, Sutherland C. Prevalence of Plasmodium falciparum haplotypes associated with resistance to sulfadoxine–pyrimethamine and amodiaquine before and after upscaling of seasonal malaria chemoprevention in seven African countries: a genomic surveillance study. The Lancet Infectious Diseases 2022, 23: 361-370. PMID: 36328000, DOI: 10.1016/s1473-3099(22)00593-x.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria chemopreventionResistance-associated variantsParasite carriageSurvey-weighted prevalenceMalaria transmission seasonQuantitative PCRPrevalence ratiosP falciparumGenomic surveillance studyChemoprevention drugsBlood samplesSurveillance studyTransmission seasonChemopreventionPlasmodium falciparumAmodiaquinePrevalenceMDR1Variant haplotypeSequencing of isolatesSignificant reductionChildrenPyrimethamineCommunity surveyThe duration of protection against clinical malaria provided by the combination of seasonal RTS,S/AS01E vaccination and seasonal malaria chemoprevention versus either intervention given alone
Cairns M, Barry A, Zongo I, Sagara I, Yerbanga S, Diarra M, Zoungrana C, Issiaka D, Sienou A, Tapily A, Sanogo K, Kaya M, Traore S, Diarra K, Yalcouye H, Sidibe Y, Haro A, Thera I, Snell P, Grant J, Tinto H, Milligan P, Chandramohan D, Greenwood B, Dicko A, Ouedraogo J. The duration of protection against clinical malaria provided by the combination of seasonal RTS,S/AS01E vaccination and seasonal malaria chemoprevention versus either intervention given alone. BMC Medicine 2022, 20: 352. PMID: 36203149, PMCID: PMC9540742, DOI: 10.1186/s12916-022-02536-5.Peer-Reviewed Original ResearchConceptsDuration of protectionSeasonal malaria chemopreventionClinical malariaMalaria chemopreventionProtective efficacyDifferent vaccine delivery systemsFlexible parametric survival modelsMalaria transmission seasonOverall protective efficacyVaccine delivery systemChild clusteringBooster dosesSeasonal vaccinationMalaria vaccinationSevere malariaDelivery intervalParametric survival modelsCox regressionMalaria vaccinePrimary seriesRecent trialsIntervention groupConclusionsThe efficacyAS01ECox modelFactors Influencing Second and Third Dose Observance during Seasonal Malaria Chemoprevention (SMC): A Quantitative Study in Burkina Faso, Mali and Niger
Somé A, Zongo I, Sagara I, Ibrahim A, Ahanhanzo C, Agbanouvi-agassi E, Sayi D, Toe L, Kabré Z, Nikiéma F, Bazié T, Ouédraogo S, Sombié I, Dicko A, Adehossi E, Ouédraogo J, Dabiré K. Factors Influencing Second and Third Dose Observance during Seasonal Malaria Chemoprevention (SMC): A Quantitative Study in Burkina Faso, Mali and Niger. Tropical Medicine And Infectious Disease 2022, 7: 214. PMID: 36136625, PMCID: PMC9503675, DOI: 10.3390/tropicalmed7090214.Peer-Reviewed Original ResearchDelivery of seasonal malaria chemoprevention with enhanced infection prevention and control measures during the COVID-19 pandemic in Nigeria, Burkina Faso and Chad: a cross-sectional study
Ward C, Phillips A, Oresanya O, Olisenekwu G, Arogunade E, Moukénet A, Beakgoubé H, De Paul Allambademel V, Compaoré C, Traoré A, Ouedraogo J, Compaoré Y, Zongo I, Donovan L, Decola M, Smith H, Baker K. Delivery of seasonal malaria chemoprevention with enhanced infection prevention and control measures during the COVID-19 pandemic in Nigeria, Burkina Faso and Chad: a cross-sectional study. Malaria Journal 2022, 21: 103. PMID: 35331248, PMCID: PMC8943494, DOI: 10.1186/s12936-022-04091-z.Peer-Reviewed Original ResearchConceptsCross-sectional studyIPC measuresMalaria chemopreventionInfection preventionMethodsA cross-sectional studyEnhanced infection preventionSeasonal malaria chemopreventionCoronavirus disease 2019 (COVID-19) transmissionHigh malaria transmissionOptimal hand hygiene practicesHand hygiene practicesProportion of indicationsCOVID-19 pandemicEarly community engagementFirst doseHand hygieneWHO guidanceMalaria transmissionBurkina FasoHand washingControl measuresHygiene practicesProtective equipmentAdherenceBlister packsImpact of seasonal RTS,S/AS01E vaccination plus seasonal malaria chemoprevention on the nutritional status of children in Burkina Faso and Mali
Grant J, Sagara I, Zongo I, Cairns M, Yerbanga R, Diarra M, Zoungrana C, Issiaka D, Nikièma F, Sompougdou F, Tapily A, Kaya M, Haro A, Sanogo K, Sienou A, Traore S, Thera I, Yalcouye H, Kuepfer I, Snell P, Milligan P, Ockenhouse C, Ofori-Anyinam O, Tinto H, Djimde A, Chandramohan D, Greenwood B, Dicko A, Ouédraogo J. Impact of seasonal RTS,S/AS01E vaccination plus seasonal malaria chemoprevention on the nutritional status of children in Burkina Faso and Mali. Malaria Journal 2022, 21: 59. PMID: 35193608, PMCID: PMC8864823, DOI: 10.1186/s12936-022-04077-x.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria chemopreventionSevere wastingHigh burdenTransmission seasonCombined groupNutritional statusMalaria transmission seasonNutritional status indicatorsPrevalence of stuntingIncidence of malariaCross-sectional surveyMalaria vaccinationSevere malariaRecent trialsStudy populationAS01ELow prevalenceAnthropometric measurementsChronic malnutritionTreatment groupsChance findingStudy childrenResultsIn 2017Prevalence
2021
The Anti-Circumsporozoite Antibody Response of Children to Seasonal Vaccination With the RTS,S/AS01E Malaria Vaccine
Sagara I, Zongo I, Cairns M, Yerbanga R, Mahamar A, Nikièma F, Tapily A, Sompougdou F, Diarra M, Zoungrana C, Issiaka D, Haro A, Sanogo K, Sienou A, Kaya M, Traore S, Thera I, Diarra K, Dolo A, Kuepfer I, Snell P, Milligan P, Ockenhouse C, Ofori-Anyinam O, Tinto H, Djimde A, Ouedraogo J, Dicko A, Chandramohan D, Greenwood B. The Anti-Circumsporozoite Antibody Response of Children to Seasonal Vaccination With the RTS,S/AS01E Malaria Vaccine. Clinical Infectious Diseases 2021, 75: 613-622. PMID: 34894221, PMCID: PMC9464075, DOI: 10.1093/cid/ciab1017.Peer-Reviewed Original ResearchConceptsFirst booster doseDoses of RTSBooster doseAntibody responseSeasonal vaccinationPost-vaccination antibody titersAnti-circumsporozoite antibodiesBooster antibody responseDiminished antibody responsePrimary vaccination seriesSeasonal malaria chemopreventionSecond booster doseStrong antibody responseIncidence of malariaSubset of childrenEnzyme-linked immunosorbentVaccination seriesBooster dosesMalaria chemopreventionSevere malariaMalaria vaccineAntibody titersLower incidenceVaccinationAS01EEffectiveness 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 densityCombining malaria vaccination with chemoprevention: a promising new approach to malaria control
Greenwood B, Cairns M, Chaponda M, Chico R, Dicko A, Ouedraogo J, Phiri K, ter Kuile F, Chandramohan D. Combining malaria vaccination with chemoprevention: a promising new approach to malaria control. Malaria Journal 2021, 20: 361. PMID: 34488784, PMCID: PMC8419817, DOI: 10.1186/s12936-021-03888-8.Peer-Reviewed Original ResearchConceptsIntermittent preventive treatmentMalaria controlMalaria chemopreventionMalaria vaccinationMalaria vaccinePreventive treatmentPost-discharge malaria chemopreventionSeasonal malaria chemopreventionManagement of childrenPrevention of malariaMass drug administrationSickle cell diseaseMalaria elimination programmeClinical malariaSevere malariaSevere anemiaMalaria deathsRecent trialsCell diseaseChemopreventive regimenDrug AdministrationClinical situationsVaccinationElimination programChemopreventionSeasonal Malaria Vaccination with or without Seasonal Malaria Chemoprevention
Chandramohan D, Zongo I, Sagara I, Cairns M, Yerbanga R, Diarra M, Nikièma F, Tapily A, Sompougdou F, Issiaka D, Zoungrana C, Sanogo K, Haro A, Kaya M, Sienou A, Traore S, Mahamar A, Thera I, Diarra K, Dolo A, Kuepfer I, Snell P, Milligan P, Ockenhouse C, Ofori-Anyinam O, Tinto H, Djimde A, Ouédraogo J, Dicko A, Greenwood B. Seasonal Malaria Vaccination with or without Seasonal Malaria Chemoprevention. New England Journal Of Medicine 2021, 385: 1005-1017. PMID: 34432975, DOI: 10.1056/nejmoa2026330.Peer-Reviewed Original ResearchConceptsUncomplicated malariaProtective efficacyClinical malariaSevere malariaMalaria-related outcomesSeasonal malaria chemopreventionUncomplicated clinical malariaVaccine-alone groupWorld Health Organization definitionPrespecified noninferiority marginMonths of ageMalaria chemopreventionSeasonal vaccinationFirst doseHazard ratioMalaria vaccinationFebrile seizuresHospital admissionCombination groupNoninferiority marginLower incidenceAS01ChemopreventionChildren 5Organization definitionEffect of seasonal malaria chemoprevention plus azithromycin on Plasmodium falciparum transmission: gametocyte infectivity and mosquito fitness
Yaméogo K, Yerbanga R, Ouattara S, Yao F, Lefèvre T, Zongo I, Nikièma F, Compaoré Y, Tinto H, Chandramohan D, Greenwood B, Belem A, Cohuet A, Ouédraogo J. Effect of seasonal malaria chemoprevention plus azithromycin on Plasmodium falciparum transmission: gametocyte infectivity and mosquito fitness. Malaria Journal 2021, 20: 326. PMID: 34315475, PMCID: PMC8314489, DOI: 10.1186/s12936-021-03855-3.Peer-Reviewed Original ResearchConceptsAddition of azithromycinMalaria chemopreventionSulfadoxine-pyrimethamineGametocyte infectivityAsexual Plasmodium falciparumDirect membrane feeding assaysSeasonal malaria chemopreventionPlacebo-controlled trialPlasmodium falciparum transmissionMembrane feeding assaysInfectivity of gametocytesControl of malariaPresence of malariaMalaria transmission periodDays post treatmentAnopheles gambiae mosquitoesGametocyte prevalenceMethodsThe studyConclusionThis studyMalaria transmissionP. falciparumControl childrenMosquito transmissionAppropriate interventionsChemopreventionNutritional status in young children prior to the malaria transmission season in Burkina Faso and Mali, and its impact on the incidence of clinical malaria
de Wit M, Cairns M, Compaoré Y, Sagara I, Kuepfer I, Zongo I, Barry A, Diarra M, Tapily A, Coumare S, Thera I, Nikiema F, Yerbanga R, Guissou R, Tinto H, Dicko A, Chandramohan D, Greenwood B, Ouedraogo J. Nutritional status in young children prior to the malaria transmission season in Burkina Faso and Mali, and its impact on the incidence of clinical malaria. Malaria Journal 2021, 20: 274. PMID: 34158054, PMCID: PMC8220741, DOI: 10.1186/s12936-021-03802-2.Peer-Reviewed Original ResearchConceptsClinical malaria incidenceSeasonal malaria chemopreventionMalaria transmission seasonClinical malariaNutritional statusMalaria incidenceMalaria chemopreventionSubsequent incidenceTransmission seasonMalaria seasonNutritional indicatorsEffects of malnutritionYoung childrenSymptomatic malariaScreening visitArm circumferenceLower incidenceModerate wastingHigh incidenceRandom effects Poisson modelBurkina FasoInsecticidal netsMalaria controlMalnutritionMalariaThe Duration of Protection from Azithromycin Against Malaria, Acute Respiratory, Gastrointestinal, and Skin Infections When Given Alongside Seasonal Malaria Chemoprevention: Secondary Analyses of Data from a Clinical Trial in Houndé, Burkina Faso, and Bougouni, Mali
Phiri M, Cairns M, Zongo I, Nikiema F, Diarra M, Yerbanga R, Barry A, Tapily A, Coumare S, Thera I, Kuepfer I, Milligan P, Tinto H, Dicko A, Ouédraogo J, Greenwood B, Chandramohan D, Sagara I. The Duration of Protection from Azithromycin Against Malaria, Acute Respiratory, Gastrointestinal, and Skin Infections When Given Alongside Seasonal Malaria Chemoprevention: Secondary Analyses of Data from a Clinical Trial in Houndé, Burkina Faso, and Bougouni, Mali. Clinical Infectious Diseases 2021, 73: e2379-e2386. PMID: 33417683, PMCID: PMC8492219, DOI: 10.1093/cid/ciaa1905.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMass drug administrationMalaria chemopreventionPlacebo-controlled trialEvidence of protectionDuration of protectionHospital admissionAcute respiratoryIllness episodesWeeks postadministrationClinical trialsSkin infectionsSkin conditionsDrug AdministrationProfile of protectionAzithromycinPoisson regressionChild survivalSecondary analysisBurkina FasoDifferent causesExtent of protectionChemopreventionMalariaAdministration
2020
Effectiveness of seasonal malaria chemoprevention at scale in west and central Africa: an observational study
Partnership A, Baba E, Hamade P, Kivumbi H, Marasciulo M, Maxwell K, Moroso D, Roca-Feltrer A, Sanogo A, Johansson J, Tibenderana J, Abdoulaye R, Coulibaly P, Hubbard E, Jah H, Lama E, Razafindralambo L, Van Hulle S, Jagoe G, Tchouatieu A, Collins D, Gilmartin C, Tetteh G, Djibo Y, Ndiaye F, Kalleh M, Kandeh B, Audu B, Ntadom G, Kiba A, Savodogo Y, Boulotigam K, Sougoudi D, Guilavogui T, Keita M, Kone D, Jackou H, Ouba I, Ouedraogo E, Messan H, Jah F, Kaira M, Sano M, Traore M, Ngarnaye N, Elagbaje A, Halleux C, Merle C, Iessa N, Pal S, Sefiani H, Souleymani R, Laminou I, Doumagoum D, Kesseley H, Coldiron M, Grais R, Kana M, Ouedraogo J, Zongo I, Eloike T, Ogboi S, Achan J, Bojang K, Ceesay S, Dicko A, Djimde A, Sagara I, Diallo A, NdDiaye J, Loua K, Beshir K, Cairns M, Fernandez Y, Lal S, Mansukhani R, Muwanguzi J, Scott S, Snell P, Sutherland C, Tuta R, Milligan P. Effectiveness of seasonal malaria chemoprevention at scale in west and central Africa: an observational study. The Lancet 2020, 396: 1829-1840. PMID: 33278936, PMCID: PMC7718580, DOI: 10.1016/s0140-6736(20)32227-3.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAfrica, CentralAfrica, WesternAmodiaquineAntimalarialsCase-Control StudiesChemopreventionChildCost-Benefit AnalysisDrug CombinationsDrug ResistanceFeasibility StudiesHumansIncidenceMalariaProgram EvaluationPyrimethamineSafetySeasonsSulfadoxineSurveys and QuestionnairesYoung AdultConceptsSeasonal malaria chemopreventionCase-control studyHigh transmission periodMalaria chemopreventionObservational studyHealth-care staff timeHigh malaria transmission seasonDrug resistanceSerious adverse drug reactionsMalaria transmission seasonSerious adverse reactionsSevere skin reactionsCommunity health workersNational health management information systemAdverse drug reactionsCost-effectiveness ratioHealth Management Information SystemIndividual case safetyTarget populationMarker of resistanceSMC treatmentHospital admissionOutpatient clinicDrug reactionsSkin reactionsSeasonal malaria vaccination: protocol of a phase 3 trial of seasonal vaccination with the RTS,S/AS01E vaccine, seasonal malaria chemoprevention and the combination of vaccination and chemoprevention
Chandramohan D, Dicko A, Zongo I, Sagara I, Cairns M, Kuepfer I, Diarra M, Tapily A, Issiaka D, Sanogo K, Mahamar A, Sompougdou F, Yerbanga S, Thera I, Milligan P, Tinto H, Ofori-Anyinam O, Ouedraogo J, Greenwood B. Seasonal malaria vaccination: protocol of a phase 3 trial of seasonal vaccination with the RTS,S/AS01E vaccine, seasonal malaria chemoprevention and the combination of vaccination and chemoprevention. BMJ Open 2020, 10: e035433. PMID: 32933955, PMCID: PMC7493088, DOI: 10.1136/bmjopen-2019-035433.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionClinical malariaTransmission seasonMalaria chemopreventionSeasonal vaccinationDoses of RTSWeekly active surveillancePlacebo-controlled trialPhase 3 trialMalaria transmission seasonPositive blood filmPrevalence of malariaSubsequent transmission seasonSubset of childrenCombination of vaccinationBooster doseModified intentionPrimary endpointControl vaccineFirst doseMalaria vaccineActive surveillanceCase detectionRabies vaccineHealth facilitiesEvaluation of seasonal malaria chemoprevention in two areas of intense seasonal malaria transmission: Secondary analysis of a household-randomised, placebo-controlled trial in Houndé District, Burkina Faso and Bougouni District, Mali
Cairns M, Sagara I, Zongo I, Kuepfer I, Thera I, Nikiema F, Diarra M, Yerbanga S, Barry A, Tapily A, Coumare S, Milligan P, Tinto H, Ouédraogo J, Chandramohan D, Greenwood B, Djimde A, Dicko A. Evaluation of seasonal malaria chemoprevention in two areas of intense seasonal malaria transmission: Secondary analysis of a household-randomised, placebo-controlled trial in Houndé District, Burkina Faso and Bougouni District, Mali. PLOS Medicine 2020, 17: e1003214. PMID: 32822362, PMCID: PMC7442230, DOI: 10.1371/journal.pmed.1003214.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria chemopreventionUncomplicated malariaTransmission seasonIntense seasonal malaria transmissionDay 28 PCRParasitological response rateUncomplicated clinical malariaPlacebo-controlled trialIncidence of hospitalisationSeasonal malaria transmissionIncidence rate ratiosBurden of malariaRapid diagnostic testsBougouni DistrictAsymptomatic malariaClinical malariaPlacebo groupStudy drugMalaria parasitaemiaAge range 3Parent trialAmodiaquine resistancePrevalence ratiosProtective efficacyInvestigating selected host and parasite factors potentially impacting upon seasonal malaria chemoprevention in Bama, Burkina Faso
Somé FA, Bazié T, Ehrlich HY, Goodwin J, Lehane A, Neya C, Zachari K, Wade M, Ouattara JM, Foy BD, Dabiré RK, Parikh S, Ouédraogo JB. Investigating selected host and parasite factors potentially impacting upon seasonal malaria chemoprevention in Bama, Burkina Faso. Malaria Journal 2020, 19: 238. PMID: 32631416, PMCID: PMC7339464, DOI: 10.1186/s12936-020-03311-8.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionDay 7 concentrationsSMC administrationMalaria chemopreventionMalaria infectionDay 7 plasma concentrationsHigh malaria transmission seasonBlood spotsFirst monthPfcrt 76TPrevalence of microscopicSubmicroscopic malaria infectionMalaria transmission seasonPlasmodium falciparum infectionPfcrt K76THigh transmission settingsSequential cross-sectional surveysCross-sectional surveyNon-significant trendAmodiaquine metabolismPfmdr1 N86Malaria parasitaemiaFalciparum infectionK76TPlasma concentrations