2024
Two Mosquito Salivary Antigens Demonstrate Promise as Biomarkers of Recent Exposure to Plasmodium falciparum–Infected Mosquito Bites
Lapidus S, Goheen M, Sy M, Deme A, Ndiaye I, Diedhiou Y, Mbaye A, Hagadorn K, Sene S, Pouye M, Thiam L, Ba A, Guerra N, Mbengue A, Raduwan H, Gagnon J, Vigan-Womas I, Parikh S, Ko A, Ndiaye D, Fikrig E, Chuang Y, Bei A. Two Mosquito Salivary Antigens Demonstrate Promise as Biomarkers of Recent Exposure to Plasmodium falciparum–Infected Mosquito Bites. The Journal Of Infectious Diseases 2024, 231: e570-e581. PMID: 39475423, PMCID: PMC11911913, DOI: 10.1093/infdis/jiae525.Peer-Reviewed Original ResearchModerate transmission areasMosquito salivary proteinsModerately endemic areaAntibody responseMosquito exposureTransmission seasonP. falciparum infectionMalaria transmission seasonMalaria transmission intensityExposure to infectious mosquitoesMosquito bitesEntomological inoculation rateEndemic areasHuman immune responseInfected mosquito bitesTransmission areasDecline 3 monthsNo antibody responseExposure to infected mosquitoesP. falciparumControl cohortExposure to mosquitoesBead-based assayImmune responseSalivary proteinsSafety and efficacy of PfSPZ Vaccine against malaria in healthy adults and women anticipating pregnancy in Mali: two randomised, double-blind, placebo-controlled, phase 1 and 2 trials
Diawara H, Healy S, Mwakingwe-Omari A, Issiaka D, Diallo A, Traore S, Soumbounou I, Gaoussou S, Zaidi I, Mahamar A, Attaher O, Fried M, Wylie B, Mohan R, Doan V, Doritchamou J, Dolo A, Morrison R, Wang J, Hu Z, Rausch K, Zeguime A, Murshedkar T, Natasha K, Sim B, Billingsley P, Richie T, Hoffman S, Dicko A, Duffy P, Team P, Traore M, Samassekou M, Dicko O, N'Diaye O, Sidibe Y, Niambele S, Diarra K, Cisse K, Diarra I, Niangaly A, Diarra B, Bengaly K, Doucoure M, Dembele A, Samake I, Diarra B, Lane J, Gorres J, Marte-Salcedo O, Tran D, Neal J, Bah A, Gupta M, Abebe Y, James E, Manoj A. Safety and efficacy of PfSPZ Vaccine against malaria in healthy adults and women anticipating pregnancy in Mali: two randomised, double-blind, placebo-controlled, phase 1 and 2 trials. The Lancet Infectious Diseases 2024, 24: 1366-1382. PMID: 39153490, PMCID: PMC12117479, DOI: 10.1016/s1473-3099(24)00360-8.Peer-Reviewed Original ResearchPfSPZ VaccineArtemether-lumefantrineClinical malariaAdverse eventsVaccine efficacyVaccine doseWeeks 0Before doseNeonatal outcomesAntimalarial treatmentDouble-blindMalaria seasonSaline placeboSaline groupVaccine groupFollow-upBooster doseModified intention-to-treat populationBlock randomisationHuman chorionic gonadotropin testIntention-to-treat populationTransmission seasonFrequency of adverse eventsPlasmodium falciparum parasitaemiaMalaria transmission season
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 surveyImpact 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
Impact of mass administration of azithromycin as a preventive treatment on the prevalence and resistance of nasopharyngeal carriage of Staphylococcus aureus
Hema-Ouangraoua S, Tranchot-Diallo J, Zongo I, Kabore N, Nikièma F, Yerbanga R, Tinto H, Chandramohan D, Ouedraogo G, Greenwood B, Ouedraogo J. Impact of mass administration of azithromycin as a preventive treatment on the prevalence and resistance of nasopharyngeal carriage of Staphylococcus aureus. PLOS ONE 2021, 16: e0257190. PMID: 34644317, PMCID: PMC8513893, DOI: 10.1371/journal.pone.0257190.Peer-Reviewed Original ResearchConceptsAdministration of azithromycinSerious illnessS. aureusEffectiveness of azithromycinMalaria transmission seasonVulnerable pediatric populationS. aureus isolatesImpact of azithromycinNasal carriageRespiratory infectionsSulfadoxine-pyrimethaminePediatric populationClinical trialsAzithromycin resistanceNasal swabsAureus isolatesTransmission seasonAzithromycinPrevalent strainsMajor causeAdministrationPlaceboStaphylococcus aureusChildrenIllnessNutritional 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 controlMalnutritionMalaria
2020
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
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 efficacyEffect of adding azithromycin to the antimalarials used for seasonal malaria chemoprevention on the nutritional status of African children
Gore‐Langton G, Cairns M, Compaoré Y, Sagara I, Kuepfer I, Zongo I, de Wit M, 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. Effect of adding azithromycin to the antimalarials used for seasonal malaria chemoprevention on the nutritional status of African children. Tropical Medicine And International Health 2020, 25: 740-750. PMID: 32166877, DOI: 10.1111/tmi.13390.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria transmission seasonMalaria chemopreventionNutritional statusTransmission seasonTreatment armsAddition of azithromycinEffect of azithromycinNutritional status indicatorsCross-sectional surveyHospital admissionRecent trialsMass administrationAnthropometric measurementsChronic malnutritionAzithromycinAfrican childrenChemopreventionNutritional outcomesBurkina FasoContinuous outcomesStudy periodMode of actionProtocol analysisYoung children
2019
Impact of the addition of azithromycin to antimalarials used for seasonal malaria chemoprevention on antimicrobial resistance of Streptococcus pneumoniae
Hema‐Ouangraoua S, Maiga A, Cairns M, Zongo I, Frédéric N, Yerbanga R, Tamboura B, Badji H, Gore‐Langton G, Kuepfer I, Tinto H, Sagara I, Dicko A, Sow S, Chandrahoman D, Greenwood B, Ouedraogo J. Impact of the addition of azithromycin to antimalarials used for seasonal malaria chemoprevention on antimicrobial resistance of Streptococcus pneumoniae. Tropical Medicine And International Health 2019, 24: 1442-1454. PMID: 31655020, PMCID: PMC7687265, DOI: 10.1111/tmi.13321.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionAddition of azithromycinMalaria chemopreventionNasopharyngeal swabsStreptococcus pneumoniaeAnnual malaria transmission seasonsMalaria transmission seasonResistance of pneumococciMalian childrenHospital admissionAzithromycin 1Nasal isolatesAntimalarial combinationLast administrationPneumococcal isolatesTransmission seasonDrug AdministrationAzithromycinChemopreventionResistant isolatesAntimalarialsAntimicrobial resistancePlaceboBurkina FasoChildrenEfficacy and risk of harms of repeat ivermectin mass drug administrations for control of malaria (RIMDAMAL): a cluster-randomised trial
Foy BD, Alout H, Seaman JA, Rao S, Magalhaes T, Wade M, Parikh S, Soma DD, Sagna AB, Fournet F, Slater HC, Bougma R, Drabo F, Diabaté A, Coulidiaty AGV, Rouamba N, Dabiré RK. Efficacy and risk of harms of repeat ivermectin mass drug administrations for control of malaria (RIMDAMAL): a cluster-randomised trial. The Lancet 2019, 393: 1517-1526. PMID: 30878222, PMCID: PMC6459982, DOI: 10.1016/s0140-6736(18)32321-3.Peer-Reviewed Original ResearchConceptsMass drug administrationCluster-randomised trialIntervention groupMalaria episodesControl groupDrug AdministrationDetection cohortMass administrationIvermectin mass drug administrationUncomplicated malaria episodesClinical malaria episodesMalaria transmission seasonSingle oral dosesControl of malariaAdverse eventsCumulative incidencePrimary outcomeOral dosesEligible participantsAdverse reactionsFurther dosesTwo-armExclusion criteriaTransmission seasonTreatment phaseOptimal dosing of dihydroartemisinin-piperaquine for seasonal malaria chemoprevention in young children
Chotsiri P, Zongo I, Milligan P, Compaore Y, Somé A, Chandramohan D, Hanpithakpong W, Nosten F, Greenwood B, Rosenthal P, White N, Ouédraogo J, Tarning J. Optimal dosing of dihydroartemisinin-piperaquine for seasonal malaria chemoprevention in young children. Nature Communications 2019, 10: 480. PMID: 30696903, PMCID: PMC6351525, DOI: 10.1038/s41467-019-08297-9.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria chemopreventionSmall childrenPlasmodium falciparum malariaHigh transmission seasonLower drug exposureSigmoidal Emax modelHigh transmission periodYoung childrenAlternative regimenFalciparum malariaDose scheduleMonthly dosesOptimal dosingDrug exposurePreventive efficacyTransmission seasonPharmacokinetic parametersBody weightEmax modelMalaria incidenceVulnerable populationsHigh dosageChildrenChemoprevention
2017
Seasonal vaccination against malaria: a potential use for an imperfect malaria vaccine
Greenwood B, Dicko A, Sagara I, Zongo I, Tinto H, Cairns M, Kuepfer I, Milligan P, Ouedraogo J, Doumbo O, Chandramohan D. Seasonal vaccination against malaria: a potential use for an imperfect malaria vaccine. Malaria Journal 2017, 16: 182. PMID: 28464937, PMCID: PMC5414195, DOI: 10.1186/s12936-017-1841-9.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionMalaria vaccineTransmission seasonEffective malaria control measuresEffective immunological memoryMalaria transmission seasonHigh transmission seasonMass vaccination campaignMalaria control measuresHigh initial efficacyMalaria chemopreventionSeasonal vaccinationSulfadoxine-pyrimethamineMalaria infectionMalaria treatmentImmunological memoryPilot implementation projectVaccination campaignInitial efficacyFull courseMalaria transmissionVaccineEuropean Medicines AuthorityHealthcare giversMajor cause
2014
Selection of Drug Resistance-Mediating Plasmodium falciparum Genetic Polymorphisms by Seasonal Malaria Chemoprevention in Burkina Faso
Somé A, Zongo I, Compaoré Y, Sakandé S, Nosten F, Ouédraogo J, Rosenthal P. Selection of Drug Resistance-Mediating Plasmodium falciparum Genetic Polymorphisms by Seasonal Malaria Chemoprevention in Burkina Faso. Antimicrobial Agents And Chemotherapy 2014, 58: 3660-3665. PMID: 24733476, PMCID: PMC4068591, DOI: 10.1128/aac.02406-14.Peer-Reviewed Original ResearchConceptsSeasonal malaria chemopreventionAQ/SPMalaria chemopreventionSingle nucleotide polymorphismsP. falciparum crtPfcrt 76TResistance-mediating polymorphismsMalaria control measuresPCR-positive samplesMonthly DPPfdhfr 108NPfdhfr 51IPfmdr1 86YSulfadoxine-pyrimethamineTreatment armsDevelopment of resistanceTransmission seasonControl groupP. falciparumSNP prevalenceGenetic polymorphismsRegular useAntifolate antimalarialsMonthsBurkina Faso
2004
Borrelia burgdorferi Infection in a Natural Population of Peromyscus Leucopus Mice: A Longitudinal Study in an Area Where Lyme Borreliosis Is Highly Endemic
Bunikis J, Tsao J, Luke C, Luna M, Fish D, Barbour A. Borrelia burgdorferi Infection in a Natural Population of Peromyscus Leucopus Mice: A Longitudinal Study in an Area Where Lyme Borreliosis Is Highly Endemic. The Journal Of Infectious Diseases 2004, 189: 1515-1523. PMID: 15073690, DOI: 10.1086/382594.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialAntigens, BacterialBacterial Outer Membrane ProteinsBlotting, WesternBorrelia burgdorferiConnecticutDisease ReservoirsDNA, BacterialEndemic DiseasesFemaleImmunoenzyme TechniquesIncidenceIxodesLongitudinal StudiesLyme DiseasePeromyscusPolymerase Chain ReactionRodent DiseasesSeasonsSeroepidemiologic StudiesConceptsPeromyscus leucopus miceLeucopus miceTransmission seasonBorrelia burgdorferi infectionPolymerase chain reactionSurface protein CBurgdorferi infectionBlood samplesMice ageEnzyme immunoassayLyme borreliosisMiceSerum samplesProtein CDynamics of infectionBorrelia burgdorferiB. burgdorferiChain reactionLongitudinal studyEnzootic siteInfectionAntibodiesEntire populationBurgdorferiIxodes scapularis
1994
Household expenditure on malaria prevention and treatment for families in the town of Bobo-Dioulasso, Burkina Faso
Guiguemde T, Dao F, Curtis V, Traore A, Sondo B, Testa J, Ouedraogo J. Household expenditure on malaria prevention and treatment for families in the town of Bobo-Dioulasso, Burkina Faso. Transactions Of The Royal Society Of Tropical Medicine And Hygiene 1994, 88: 285-287. PMID: 7974661, DOI: 10.1016/0035-9203(94)90079-5.Peer-Reviewed Original ResearchConceptsMalaria preventionHealth agentsEpisodes of malariaBobo-DioulassoChemical prophylaxisMore episodesTransmission seasonBed netsDisease preventionCent of familiesGood healthModern drugsAverage total costMosquito coilsPreventionMonthsTreatmentBurkina FasoMonthly incomeTotal family incomeAverage monthly incomeMalariaFamily incomeOverall expenditureEpisodes
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