2024
Safety and efficacy of malaria vaccine candidate R21/Matrix-M in African children: a multicentre, double-blind, randomised, phase 3 trial
Datoo M, Dicko A, Tinto H, Ouédraogo J, Hamaluba M, Olotu A, Beaumont E, Lopez F, Natama H, Weston S, Chemba M, Compaore Y, Issiaka D, Salou D, Some A, Omenda S, Lawrie A, Bejon P, Rao H, Chandramohan D, Roberts R, Bharati S, Stockdale L, Gairola S, Greenwood B, Ewer K, Bradley J, Kulkarni P, Shaligram U, Hill A, Group R, Mahamar A, Sanogo K, Sidibe Y, Diarra K, Samassekou M, Attaher O, Tapily A, Diallo M, Dicko O, Kaya M, Maguiraga S, Sankare Y, Yalcouye H, Diarra S, Niambele S, Thera I, Sagara I, Sylla M, Dolo A, Misidai N, Simando S, Msami H, Juma O, Gutapaka N, Paul R, Mswata S, Sasamalo I, Johaness K, Sultan M, Alexander A, Kimaro I, Lwanga K, Mtungwe M, Khamis K, Rugarabam L, Kalinga W, Mohammed M, Kamange J, Msangi J, Mwaijande B, Mtaka I, Mhapa M, Mlaganile T, Mbaga T, Yerbanga R, Samtouma W, Sienou A, Kabre Z, Ouedraogo W, Yarbanga G, Zongo I, Savadogo H, Sanon J, Compaore J, Kere I, Yoni F, Sanre T, Ouattara S, Provstgaard-Morys S, Woods D, Snow R, Amek N, Ngetsa C, Ochola-Oyier L, Musyoki J, Munene M, Mumba N, Adetifa U, Muiruri C, Mwawaka J, Mwaganyuma M, Ndichu M, Weya J, Njogu K, Grant J, Webster J, Lakhkar A, Ido N, Traore O, Tahita M, Bonko M, Rouamba T, Ouedraogo D, Soma R, Millogo A, Ouedraogo E, Sorgho F, Konate F, Valea I. Safety and efficacy of malaria vaccine candidate R21/Matrix-M in African children: a multicentre, double-blind, randomised, phase 3 trial. The Lancet 2024, 403: 533-544. PMID: 38310910, DOI: 10.1016/s0140-6736(23)02511-4.Peer-Reviewed Original ResearchConceptsClinical malaria episodesPhase 3 trialMalaria episodesMonths age groupAdverse eventsVaccine efficacyClinical malariaMalaria vaccineDouble-blindMalaria transmissionControl vaccineAsn-Ala-Asn-ProAge groupsStandard sitesMonths of follow-upAfrican childrenPerennial malaria transmissionBurden of malariaSeasonal malaria transmissionMalaria transmission intensityPhase 2b trialInjection site painFrequent adverse eventsCo-primary endpointsVaccine-induced antibodies
2023
Variation in neutrophil levels and artemisinin-based combination therapy efficacy in West-Africa.
Djimde M, Kayentao K, Tshiongo J, Fofana B, Arama C, Sirima S, Ouedraogo J, Beavogui A, Sagara I, Dicko A, Mens P, Schallig H, Djimde A. Variation in neutrophil levels and artemisinin-based combination therapy efficacy in West-Africa. The Journal Of Infection In Developing Countries 2023, 17: 1337-1345. PMID: 37824364, DOI: 10.3855/jidc.17089.Peer-Reviewed Original ResearchConceptsArtemisinin-based combination therapyNormal neutrophil countsPolymorphonuclear neutrophilsDay 28Neutropenia groupPyronaridine-ArtesunateNeutrophil countNeutrophil levelsDifferent artemisinin-based combination therapiesRole of PMNsCombination therapy efficacyP. falciparum parasitemiaPositive blood smearPlasmodium falciparum parasitemiaLevels of neutrophilsAL armASAQ armProspective longitudinalRecurrent parasitemiaCombination therapyNeutrophil rateNeutropenia patientsNormal ratePatientsPathogen clearanceSeasonal 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 regressionCost of introducing and delivering malaria vaccine (RTS,S/AS01E) in areas of seasonal malaria transmission, Mali and Burkina Faso
Diawara H, Bocoum F, Dicko A, Levin A, Lee C, Koita F, Ouédraogo J, Guissou R, Yabré S, Traoré S, Morgan W, Pecenka C, Baral R. Cost of introducing and delivering malaria vaccine (RTS,S/AS01E) in areas of seasonal malaria transmission, Mali and Burkina Faso. BMJ Global Health 2023, 8: e011316. PMID: 37068848, PMCID: PMC10111920, DOI: 10.1136/bmjgh-2022-011316.Peer-Reviewed Original ResearchConceptsVaccine deliverySeasonal vaccinationMalaria vaccineMalaria transmissionSeasonal malaria transmissionRoutine Expanded ProgrammeResource use dataRoutine EPINew vaccine introductionSeasonal malariaVaccine introductionMain cost driversHealth facilitiesExpanded ProgrammeVaccine priceVaccine rolloutMass campaignsService deliveryYoung childrenVaccinationCost consequencesBurkina FasoFinancial costsVaccineDelivery approach
2022
Plasmodium infection is associated with cross-reactive antibodies to carbohydrate epitopes on the SARS-CoV-2 Spike protein
Lapidus S, Liu F, Casanovas-Massana A, Dai Y, Huck J, Lucas C, Klein J, Filler R, Strine M, Sy M, Deme A, Badiane A, Dieye B, Ndiaye I, Diedhiou Y, Mbaye A, Diagne C, Vigan-Womas I, Mbengue A, Sadio B, Diagne M, Moore A, Mangou K, Diallo F, Sene S, Pouye M, Faye R, Diouf B, Nery N, Costa F, Reis M, Muenker M, Hodson D, Mbarga Y, Katz B, Andrews J, Campbell M, Srivathsan A, Kamath K, Baum-Jones E, Faye O, Sall A, Vélez J, Cappello M, Wilson M, Ben-Mamoun C, Tedder R, McClure M, Cherepanov P, Somé F, Dabiré R, Moukoko C, Ouédraogo J, Boum Y, Shon J, Ndiaye D, Wisnewski A, Parikh S, Iwasaki A, Wilen C, Ko A, Ring A, Bei A. Plasmodium infection is associated with cross-reactive antibodies to carbohydrate epitopes on the SARS-CoV-2 Spike protein. Scientific Reports 2022, 12: 22175. PMID: 36550362, PMCID: PMC9778468, DOI: 10.1038/s41598-022-26709-7.Peer-Reviewed Original ResearchConceptsCross-reactive antibodiesSARS-CoV-2Positive SARS-CoV-2 antibody resultsPositive SARS-CoV-2 antibodiesSARS-CoV-2 reactivitySARS-CoV-2 antibodiesAcute malaria infectionSpike proteinAntibody test resultsPre-pandemic samplesMalaria-endemic countriesPopulation-level immunityMalaria-endemic regionsSpike S1 subunitNon-endemic countriesSARS-CoV-2 spike proteinSARS-CoV-2 proteinsPopulation-level exposureCOVID-19 transmissionMalaria exposureFalse-positive resultsMalaria infectionDisease burdenPlasmodium infectionAntibody resultsSeasonal 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 modelEthical considerations in deploying triple artemisinin-based combination therapies for malaria: An analysis of stakeholders’ perspectives in Burkina Faso and Nigeria
Tindana P, Guissou R, Bolarinwa O, Tou F, de Haan F, Dhorda M, Dondorp A, Amaratunga C, Mokuolu O, Ouedraogo J, Cheah P. Ethical considerations in deploying triple artemisinin-based combination therapies for malaria: An analysis of stakeholders’ perspectives in Burkina Faso and Nigeria. PLOS ONE 2022, 17: e0273249. PMID: 36083995, PMCID: PMC9462557, DOI: 10.1371/journal.pone.0273249.Peer-Reviewed Original ResearchConceptsTriple artemisinin-based combination therapiesArtemisinin-based combination therapyCombination therapyArtemisinin resistanceUncomplicated Plasmodium falciparum malariaDrug resistancePlasmodium falciparum malariaMalaria-endemic countriesPartner drug resistanceAdditional side effectsUncomplicated malariaFalciparum malariaTreatment optionsEndemic countriesPediatric diseasesSide effectsACT failureMalariaTherapyBurkina FasoFocus group discussionsEthical considerationsTreatmentQualitative studyStakeholder engagement activitiesField evaluation of the diagnostic performance of EasyScan GO: a digital malaria microscopy device based on machine-learning
Das D, Vongpromek R, Assawariyathipat T, Srinamon K, Kennon K, Stepniewska K, Ghose A, Sayeed A, Faiz M, Netto R, Siqueira A, Yerbanga S, Ouédraogo J, Callery J, Peto T, Tripura R, Koukouikila-Koussounda F, Ntoumi F, Ong’echa J, Ogutu B, Ghimire P, Marfurt J, Ley B, Seck A, Ndiaye M, Moodley B, Sun L, Archasuksan L, Proux S, Nsobya S, Rosenthal P, Horning M, McGuire S, Mehanian C, Burkot S, Delahunt C, Bachman C, Price R, Dondorp A, Chappuis F, Guérin P, Dhorda M. Field evaluation of the diagnostic performance of EasyScan GO: a digital malaria microscopy device based on machine-learning. Malaria Journal 2022, 21: 122. PMID: 35413904, PMCID: PMC9004086, DOI: 10.1186/s12936-022-04146-1.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 packsHaematological consequences of acute uncomplicated falciparum malaria: a WorldWide Antimalarial Resistance Network pooled analysis of individual patient data
Mansoor R, Commons R, Douglas N, Abuaku B, Achan J, Adam I, Adjei G, Adjuik M, Alemayehu B, Allan R, Allen E, Anvikar A, Arinaitwe E, Ashley E, Ashurst H, Asih P, Bakyaita N, Barennes H, Barnes K, Basco L, Bassat Q, Baudin E, Bell D, Bethell D, Bjorkman A, Boulton C, Bousema T, Brasseur P, Bukirwa H, Burrow R, Carrara V, Cot M, D’Alessandro U, Das D, Das S, Davis T, Desai M, Djimde A, Dondorp A, Dorsey G, Drakeley C, Duparc S, Espié E, Etard J, Falade C, Faucher J, Filler S, Fogg C, Fukuda M, Gaye O, Genton B, Rahim A, Gilayeneh J, Gonzalez R, Grais R, Grandesso F, Greenwood B, Grivoyannis A, Hatz C, Hodel E, Humphreys G, Hwang J, Ishengoma D, Juma E, Kachur S, Kager P, Kamugisha E, Kamya M, Karema C, Kayentao K, Kazienga A, Kiechel J, Kofoed P, Koram K, Kremsner P, Lalloo D, Laman M, Lee S, Lell B, Maiga A, Mårtensson A, Mayxay M, Mbacham W, McGready R, Menan H, Ménard D, Mockenhaupt F, Moore B, Müller O, Nahum A, Ndiaye J, Newton P, Ngasala B, Nikiema F, Nji A, Noedl H, Nosten F, Ogutu B, Ojurongbe O, Osorio L, Ouédraogo J, Owusu-Agyei S, Pareek A, Penali L, Piola P, Plucinski M, Premji Z, Ramharter M, Richmond C, Rombo L, Roper C, Rosenthal P, Salman S, Same-Ekobo A, Sibley C, Sirima S, Smithuis F, Somé F, Staedke S, Starzengruber P, Strub-Wourgaft N, Sutanto I, Swarthout T, Syafruddin D, Talisuna A, Taylor W, Temu E, Thwing J, Tinto H, Tjitra E, Touré O, Tran T, Ursing J, Valea I, Valentini G, van Vugt M, von Seidlein L, Ward S, Were V, White N, Woodrow C, Yavo W, Yeka A, Zongo I, Simpson J, Guerin P, Stepniewska K, Price R. Haematological consequences of acute uncomplicated falciparum malaria: a WorldWide Antimalarial Resistance Network pooled analysis of individual patient data. BMC Medicine 2022, 20: 85. PMID: 35249546, PMCID: PMC8900374, DOI: 10.1186/s12916-022-02265-9.Peer-Reviewed Original ResearchConceptsUncomplicated P. falciparum malariaSevere anemiaDay 7Nadir hemoglobinParasite clearanceTreatment of uncomplicated P. falciparum malariaDay 3Risk factorsHaematological responseRate of parasite clearanceWorldWide Antimalarial Resistance NetworkArtemisinin-based regimensBackgroundPlasmodium falciparum malariaDelayed parasite clearanceMethodsIndividual patient dataMedian hemoglobin concentrationIndependent risk factorRisk of anemiaArtemisinin-based treatmentsDay 2 post treatmentDay of nadirModerately severe anemiaIndividual patient dataPatient dataMalarial anemiaImpact 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 incidenceVaccinationAS01EImpact 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 aureusChildrenIllnessCombining 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 programChemopreventionTo what extent are the antimalarial markets in African countries ready for a transition to triple artemisinin-based combination therapies?
de Haan F, Bolarinwa O, Guissou R, Tou F, Tindana P, Boon W, Moors E, Cheah P, Dhorda M, Dondorp A, Ouedraogo J, Mokuolu O, Amaratunga C. To what extent are the antimalarial markets in African countries ready for a transition to triple artemisinin-based combination therapies? PLOS ONE 2021, 16: e0256567. PMID: 34464398, PMCID: PMC8407563, DOI: 10.1371/journal.pone.0256567.Peer-Reviewed Original ResearchConceptsAfrican countriesTriple artemisinin-based combination therapiesKey actor groupsMarket prospectsBurkina FasoActor groupsInnovation systemRegulatory arrangementsDepth interviewsInternational fundersArtemisinin-based combination therapyProfit motivesQualitative studySoutheast AsiaGroup discussionsCountry levelAfrican countiesCurrent artemisinin-based combination therapiesLarger communityCountriesDrug marketAcceptability issuesBroad implicationsWorld Health OrganizationMarket readinessInsecticide resistance profiles in malaria vector populations from Sud-Kivu in the Democratic Republic of the Congo
N'Do S, Bandibabone J, Soma D, Musaka B, Prudhomme J, Habamungu C, Namountougou M, Sangaré I, Kientega M, Kaboré D, Bayili K, Yerbanga R, Diabate A, Dabire R, Ouedraogo J, Belem A, Boëte C, Guardiola-Claramonte M, Chimanuka B. Insecticide resistance profiles in malaria vector populations from Sud-Kivu in the Democratic Republic of the Congo. Transactions Of The Royal Society Of Tropical Medicine And Hygiene 2021, 115: 1339-1344. PMID: 34324683, DOI: 10.1093/trstmh/trab116.Peer-Reviewed Original ResearchConceptsA. gambiaeInsecticide resistance profileInsecticide resistanceAce-1R mutationMalaria vector populationsVector populationsInsecticide susceptibility bioassaysWild populationsAce-1RPiperonyl butoxideAnopheles gambiaeKdr mutationSusceptibility bioassaysSusceptibility of vectorsMosquito speciesGambiaeAnopheles funestusVector susceptibilitySud-KivuMutationsA. funestusVector control toolsResistance statusNutritional 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