2024
The public health impact and cost-effectiveness of the R21/Matrix-M malaria vaccine: a mathematical modelling study
Schmit N, Topazian H, Natama H, Bellamy D, Traoré O, Somé M, Rouamba T, Tahita M, Bonko M, Sourabié A, Sorgho H, Stockdale L, Provstgaard-Morys S, Aboagye J, Woods D, Rapi K, Datoo M, Lopez F, Charles G, McCain K, Ouedraogo J, Hamaluba M, Olotu A, Dicko A, Tinto H, Hill A, Ewer K, Ghani A, Winskill P. The public health impact and cost-effectiveness of the R21/Matrix-M malaria vaccine: a mathematical modelling study. The Lancet Infectious Diseases 2024, 24: 465-475. PMID: 38342107, DOI: 10.1016/s1473-3099(23)00816-2.Peer-Reviewed Original ResearchDisability-adjusted life yearsClinical malariaMalaria vaccineClinical casesVaccine introductionVaccinated childrenVaccine efficacyYears of follow-upPhase 2b trialPhase 3 trialSub-Saharan AfricaSurrogate of protectionIncremental costAntibody titresPublic health impactSerum Institute of IndiaBill &Cost-effectiveness ratioChildren aged 2Dose pricesMalaria deathsMelinda Gates FoundationNIHR Oxford Biomedical Research CentreFollow-upUK Medical Research CouncilSafety 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
Cost 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
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 trialsThe 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 model
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 incidenceVaccinationAS01ECombining 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 programChemoprevention
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 facilities
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 causeTO VALUE THE EFFICIENCY OF PYRONARIDINE-ARTESUNATE AND ARTEMETHER-LUMEFANTRINE IN THE TREATMENT OF UNCOMPLICATED MALARIA OF PLASMODIUM SPP. IN BURKINA FASO
Barry N, Kaboré N, Kabré Z, Fofana A, Nikèma F, Compaoré D, Somé F, Zongo I, Djimdé A, Ouédraogo J. TO VALUE THE EFFICIENCY OF PYRONARIDINE-ARTESUNATE AND ARTEMETHER-LUMEFANTRINE IN THE TREATMENT OF UNCOMPLICATED MALARIA OF PLASMODIUM SPP. IN BURKINA FASO. BMJ Global Health 2017, 2: a24. DOI: 10.1136/bmjgh-2016-000260.62.Peer-Reviewed Original ResearchArtemether-lumefantrineUncomplicated malariaTreatment failurePA groupAL groupEffective malaria vaccineStandard of careNew therapeutic drugsPyronaridine-ArtesunateMalaria vaccinePatient groupTherapeutic failureFirst episodeTreatment responseDay 28Malaria diagnosisDay 42Burkina FasoMalaria controlEvidence baseLess casesPlasmodium sppTherapeutic drugsMalariaBobo-Dioulasso
2012
A Phase 3 Trial of RTS,S/AS01 Malaria Vaccine in African Infants
Agnandji S, Lell B, Fernandes J, Abossolo B, Methogo B, Kabwende A, Adegnika A, Mordmüller B, Issifou S, Kremsner P, Sacarlal J, Aide P, Lanaspa M, Aponte J, Machevo S, Acacio S, Bulo H, Sigauque B, Macete E, Alonso P, Abdulla S, Salim N, Minja R, Mpina M, Ahmed S, Ali A, Mtoro A, Hamad A, Mutani P, Tanner M, Tinto H, D'Alessandro U, Sorgho H, Valea I, Bihoun B, Guiraud I, Kaboré B, Sombié O, Guiguemdé R, Ouédraogo J, Hamel M, Kariuki S, Oneko M, Odero C, Otieno K, Awino N, McMorrow M, Muturi-Kioi V, Laserson K, Slutsker L, Otieno W, Otieno L, Otsyula N, Gondi S, Otieno A, Owira V, Oguk E, Odongo G, Woods J, Ogutu B, Njuguna P, Chilengi R, Akoo P, Kerubo C, Maingi C, Lang T, Olotu A, Bejon P, Marsh K, Mwambingu G, Owusu-Agyei S, Asante K, Osei-Kwakye K, Boahen O, Dosoo D, Asante I, Adjei G, Kwara E, Chandramohan D, Greenwood B, Lusingu J, Gesase S, Malabeja A, Abdul O, Mahende C, Liheluka E, Malle L, Lemnge M, Theander T, Drakeley C, Ansong D, Agbenyega T, Adjei S, Boateng H, Rettig T, Bawa J, Sylverken J, Sambian D, Sarfo A, Agyekum A, Martinson F, Hoffman I, Mvalo T, Kamthunzi P, Nkomo R, Tembo T, Tegha G, Tsidya M, Kilembe J, Chawinga C, Ballou W, Cohen J, Guerra Y, Jongert E, Lapierre D, Leach A, Lievens M, Ofori-Anyinam O, Olivier A, Vekemans J, Carter T, Kaslow D, Leboulleux D, Loucq C, Radford A, Savarese B, Schellenberg D, Sillman M, Vansadia P. A Phase 3 Trial of RTS,S/AS01 Malaria Vaccine in African Infants. New England Journal Of Medicine 2012, 367: 2284-2295. PMID: 23136909, PMCID: PMC10915853, DOI: 10.1056/nejmoa1208394.Peer-Reviewed Original ResearchConceptsPhase 3 trialVaccine efficacySevere malariaWeeks of ageProtocol populationTreat populationClinical malariaCandidate malaria vaccine RTSOngoing phase 3 trialsAnti-circumsporozoite antibodiesMalaria vaccine RTSCoprimary end pointsSerious adverse eventsGeometric mean titersMonths of ageComparator vaccineAdverse eventsFirst doseFirst vaccinationMalaria episodesThird doseMean titersCox regressionMalaria vaccineAfrican infants
2011
First Results of Phase 3 Trial of RTS,S/AS01 Malaria Vaccine in African Children
Agnandji S, Lell B, Soulanoudjingar S, Fernandes J, Abossolo B, Conzelmann C, Methogo B, Doucka Y, Flamen A, Mordmüller B, Issifou S, Kremsner P, Sacarlal J, Aide P, Lanaspa M, Aponte J, Nhamuave A, Quelhas D, Bassat Q, Mandjate S, Macete E, Alonso P, Abdulla S, Salim N, Juma O, Shomari M, Shubis K, Machera F, Hamad A, Minja R, Mtoro A, Sykes A, Ahmed S, Urassa A, Ali A, Mwangoka G, Tanner M, Tinto H, D'Alessandro U, Sorgho H, Valea I, Tahita M, Kaboré W, Ouédraogo S, Sandrine Y, Guiguemdé R, Ouédraogo J, Hamel M, Kariuki S, Odero C, Oneko M, Otieno K, Awino N, Omoto J, Williamson J, Muturi-Kioi V, Laserson K, Slutsker L, Otieno W, Otieno L, Nekoye O, Gondi S, Otieno A, Ogutu B, Wasuna R, Owira V, Jones D, Onyango A, Njuguna P, Chilengi R, Akoo P, Kerubo C, Gitaka J, Maingi C, Lang T, Olotu A, Tsofa B, Bejon P, Peshu N, Marsh K, Owusu-Agyei S, Asante K, Osei-Kwakye K, Boahen O, Ayamba S, Kayan K, Owusu-Ofori R, Dosoo D, Asante I, Adjei G, Adjei G, Chandramohan D, Greenwood B, Lusingu J, Gesase S, Malabeja A, Abdul O, Kilavo H, Mahende C, Liheluka E, Lemnge M, Theander T, Drakeley C, Ansong D, Agbenyega T, Adjei S, Boateng H, Rettig T, Bawa J, Sylverken J, Sambian D, Agyekum A, Owusu L, Martinson F, Hoffman I, Mvalo T, Kamthunzi P, Nkomo R, Msika A, Jumbe A, Chome N, Nyakuipa D, Chintedza J, Ballou W, Bruls M, Cohen J, Guerra Y, Jongert E, Lapierre D, Leach A, Lievens M, Ofori-Anyinam O, Vekemans J, Carter T, Leboulleux D, Loucq C, Radford A, Savarese B, Schellenberg D, Sillman M, Vansadia P. First Results of Phase 3 Trial of RTS,S/AS01 Malaria Vaccine in African Children. New England Journal Of Medicine 2011, 365: 1863-1875. PMID: 22007715, DOI: 10.1056/nejmoa1102287.Peer-Reviewed Original ResearchConceptsSevere malariaVaccine efficacyProtocol populationMonths of ageOlder age categoriesTreat populationClinical malariaAge categoriesCandidate malaria vaccine RTSOngoing phase 3 studiesAfrican childrenMalaria vaccine RTSPrimary end pointSerious adverse eventsPhase 3 studyPhase 3 trialDoses of vaccineWeeks of ageComparator vaccineAdverse eventsFirst doseConvulsive seizuresMalaria vaccineFirst episodeStudy group