Mitermayer Reis, MD
Professor Adjunct of Epidemiology (Microbial Diseases)About
Research
Publications
2026
Co-production of informal settlement health: a community based participatory research program for building healthy communities in urban informal settlements of Salvador, Brazil
Mogaji H, Alzate L, Figuerêdo L, Virgens J, Aliaga M, Argibay H, Salles I, Moreira A, de Jesus Lima e Silva T, dos Santos S, Batista R, Cardoso E, Santos E, dos Santos E, dos Santos E, da Mata Barreto T, dos Santos Mattos T, Nery N, Cruz J, Carneiro I, Lustosa R, Ferreira V, Reis M, Ko A, Costa F, Begon M, Khalil H. Co-production of informal settlement health: a community based participatory research program for building healthy communities in urban informal settlements of Salvador, Brazil. Frontiers In Public Health 2026, 14: 1754353. PMID: 41883820, PMCID: PMC13008875, DOI: 10.3389/fpubh.2026.1754353.Peer-Reviewed Original ResearchConceptsUrban informal settlementsCitizenship rightsSocial health determinantsEssential urban servicesCycle of povertyUrban population livesCommunity development programsParticipatory research programInter-sectoral partnershipsParticipatory research methodsSocial justice frameworkWell-being challengesHealth determinantsFuel violenceUrban servicesSocial cohesionHealth educationSocial inequalitiesDiverse healthSocial capitalHealthy communitiesJustice frameworkLocal prioritiesCommunity groupsPopulation livesKnowledge about Chagas disease among Primary Health Care professionals in a municipality located in northeastern Brazil
Almeida M, Soares J, Santos R, Ribeiro G, Reis R, Araújo J, Barbosa L, Silva T, Souza C, Alves K, Lanza F, do Nascimento P, Bastos C, Júnior R, Guimarães I, Silva L, de Freitas B, Neto J, Reis M. Knowledge about Chagas disease among Primary Health Care professionals in a municipality located in northeastern Brazil. PLOS Neglected Tropical Diseases 2026, 20: e0014000. PMID: 41662381, PMCID: PMC12981557, DOI: 10.1371/journal.pntd.0014000.Peer-Reviewed Original ResearchConceptsHealth worker knowledgeHealth professionalsPrimary health care professionalsHealth care professionalsCross-sectional studyPublic health problemAccurate surveillanceCare professionalsRecommended medicationsWorkers' knowledgeStandardized questionnaireHealth problemsChagas diseaseOccupational categoriesCongestive heart failureProfessionalsHealthEtiological treatmentHeart failureMode of transmissionElectrocardiographic changesAcute phaseChronic casesParticipantsTriatomine bitesMetagenomic surveillance reveals off-season circulation of respiratory viruses during the COVID-19 pandemic in Salvador, Brazil
Aguilar Ticona J, Amorim Santos L, Meng X, Nery N, Fofana M, de Moraes L, Morais Strobel I, Vitoriano R, Silveira Cucco M, Andrade Belitardo E, Thakku G, Cruz J, Detweiler A, Neff N, Tato C, Reis M, Costa F, Cummings D, Ko A, Khouri R. Metagenomic surveillance reveals off-season circulation of respiratory viruses during the COVID-19 pandemic in Salvador, Brazil. New Microbes And New Infections 2026, 70: 101717. PMID: 41732520, PMCID: PMC12925072, DOI: 10.1016/j.nmni.2026.101717.Peer-Reviewed Original ResearchRespiratory syncytial virusRespiratory virusesInfluenza ASyncytial virusMultiplex RT-qPCRSARS-CoV-2Circulation of respiratory virusesPre-existing immunityOmicron BAHuman parainfluenza virusNegative RT-qPCR resultsSeasonal human coronavirusesRespiratory virus transmissionSymptomatic episodesParainfluenza virusInfluenza peakInfluenzaCo-InfectionRespiratory symptomsSymptomatic participantsNasal swabsSeasonal coronavirusesSymptomatic individualsSecondary attack rateHousehold visitsFeasibility of a phase 3 partially randomised clinical trial to assess the safety and efficacy of paediatric praziquantel for schistosomiasis treatment in children aged 3 months to 6 years in endemic regions of Brazil: a pilot study
Menezes C, Casaes A, Silva B, dos Santos M, Martins C, Francisco I, dos Santos K, Souza B, Pinho A, Mayer D, da Rocha Martinelli Moleiro G, de Queiroz L, Nascimento R, Silva R, de Souza R, Silva L, Reis M, Graeff-Teixeira C, Dolabella S, Carneiro L, de Senna T, Daher A, de Oliveira D, Medeiros J, de Moraes Bezerra F, de Siqueira I, Oliveira R. Feasibility of a phase 3 partially randomised clinical trial to assess the safety and efficacy of paediatric praziquantel for schistosomiasis treatment in children aged 3 months to 6 years in endemic regions of Brazil: a pilot study. BMJ Open 2026, 16: e104706. PMID: 41644160, PMCID: PMC12878467, DOI: 10.1136/bmjopen-2025-104706.Peer-Reviewed Original ResearchConceptsChildren aged 3 months to 6 yearsAged 3 months to 6 yearsProtocol adherencePilot studyPrimary care settingTrial protocolReal-world field settingsChildren Aged 4Open-labelEndemic areasCare settingsAdverse eventsSeverity of drug-related adverse eventsEligible participantsParticipant recruitmentDrug-related adverse eventsEndemic areas of BrazilRandomised clinical trialsPhase 3 clinical trialsChildren aged 3 monthsParticipant safetyInclusion criteriaPhase 3 studyParasitological cure rateSecondary outcomesImpact of the COVID-19 Pandemic on Colorectal Cancer Patients at a Major Brazilian Cancer Center: An Increase in Metastatic Patients upon Presentation?
Santos J, de Almeida C, Ramos D, de Abreu D, Novaes D, Ramos M, Reis M. Impact of the COVID-19 Pandemic on Colorectal Cancer Patients at a Major Brazilian Cancer Center: An Increase in Metastatic Patients upon Presentation? Brazilian Journal Of Oncology 2026, 22 DOI: 10.1055/s-0045-1813642.Peer-Reviewed Original ResearchMetastatic colorectal cancerColorectal cancerMalignant neoplasms of colonColorectal cancer mortalityMalignant neoplasmsRetrospective analysisCases of advanced colorectal cancerLow level of educationBrown skin colorMedical records of patientsElectronic medical records of patientsBrazilian cancer centerMetastatic CRC casesNeoplasm of colonAdvanced colorectal cancerRecords of patientsCOVID-19 pandemicColorectal cancer patientsLevel of educationOncology careStage of diseaseCRC casesCancer mortalityMetastatic patientsMedian ageSeroprevalence of Hepatitis A Virus (HAV) and Hepatitis E Virus (HEV) Among Blood Donor Candidates in Salvador, Bahia, Brazil
Mendes D, Paraná V, Santos L, de Santana Cavalcanti L, Alves J, Novais F, dos Santos G, de Matos H, Santana N, Zarife M, dos Santos C, Couto R, Schinoni M, Lyra A, dos Reis M, Silva L. Seroprevalence of Hepatitis A Virus (HAV) and Hepatitis E Virus (HEV) Among Blood Donor Candidates in Salvador, Bahia, Brazil. Viruses 2026, 18: 162. PMID: 41754505, PMCID: PMC12944901, DOI: 10.3390/v18020162.Peer-Reviewed Original ResearchConceptsSeroprevalence of anti-HAV IgGHepatitis A virusHepatitis E virusAnti-HAV IgGBlood donor candidatesSeroprevalence of hepatitis A virusHepatitis A virus vaccineDonor candidatesSeroprevalence of anti-HEV IgGAnti-HEV IgMStatistically significant demographic differencesHighest burdenAnti-HEV IgGUnivariate analysisA virusRisk factor investigationSignificant demographic differencesClinically indistinguishable diseasesHepatitis AAnti-HEVFresh fishStatistical significanceE virusGame meatIneligibility rates
2025
On the juice? Trypanosoma cruzi vectorial-oral outbreak investigation in a semi-arid rural area of Brazil
Ribeiro G, Frota J, de Sousa Silva N, Barbosa B, Rios L, da Silva L, de Araújo R, Pereira F, de Carvalho C, Tiernan N, Bastos C, Pavan T, Santos F, Castro M, Navengantes W, Gurgel-Gonçalves R, Dumonteil E, Herrera C, Reis M. On the juice? Trypanosoma cruzi vectorial-oral outbreak investigation in a semi-arid rural area of Brazil. Parasites & Vectors 2025, 19: 59. PMID: 41457259, PMCID: PMC12859902, DOI: 10.1186/s13071-025-07198-9.Peer-Reviewed Original ResearchConceptsChagas disease outbreaksSemi-arid regionsSerological diagnosisDisease outbreaksRegion of BahiaSugar cane juiceBlood meal analysisAcerola fruitAcerola juiceFresh fruitsWild reservoirsCane juiceDomestic animalsJuiceInfected triatominesAreas of BrazilFruitMeal analysisCollected blood samplesSemi-arid region of BahiaPeriurban areasAreas of South AmericaMolecular detectionPrimary Care InformationHuman casesDeforestation effects and house invasion by chagas disease vectors in Brazil
Ribeiro-Jr G, Verde M, Argibay H, Cardoso C, Simões F, de Lima Costa E, de Carvalho C, Reis R, Castro M, Gurgel-Gonçalves R, Reis M. Deforestation effects and house invasion by chagas disease vectors in Brazil. Scientific Reports 2025, 15: 38218. PMID: 41173999, PMCID: PMC12579252, DOI: 10.1038/s41598-025-22086-z.Peer-Reviewed Original ResearchConceptsForest patchesHabitat changeForest areaDeforestation effectsDeforestationForestTriatomine presenceUrban expansionRisk of parasite transmissionChagas disease vectorsDisease vectorsLand change dataUrban growthLandUrbanizationParasite transmissionChange dataMixed-useHabitatBrazilHigh-risk neighborhoodsMapBiomasHuman fecal markers in environmental waters and association with indicators of human and rodent infections in urban Salvador, Bahia, Brazil
Souza F, Zhu K, de Oliveira D, Nery Jr N, Cruz J, Venegas-Vargas C, Brown J, Aguilar Ticona J, Santana J, Reis M, Ko A, Costa F, Stauber C. Human fecal markers in environmental waters and association with indicators of human and rodent infections in urban Salvador, Bahia, Brazil. PLOS Water 2025, 4: e0000349. DOI: 10.1371/journal.pwat.0000349.Peer-Reviewed Original ResearchFecal source trackingHuman mitochondrial DNAConcentration of mtDNASurveillance of pathogensMtDNA markersMitochondrial DNAMtDNASource trackingHuman fecal markerPathogen exposurePathogen circulationEnvironmental waterLow-income communitiesPathogensZoonotic threatEnvironmental surveillanceHigher concentrationsVulnerable communitiesEffective public health interventionsFecal markersMarkersPublic health interventionsHealth threatProactive responseCurcumin triggers reactive oxygen species-mediated apoptosis and suppresses tumor growth in metastatic oral squamous cell carcinoma
de Carvalho Freitas Ramos T, Dias R, de Souza Santos L, de Faro Valverde L, Nogueira R, Bastos I, Della Coletta R, Soares M, de Freitas Souza B, dos Santos J, dos Reis M, Bezerra D, Gurgel C. Curcumin triggers reactive oxygen species-mediated apoptosis and suppresses tumor growth in metastatic oral squamous cell carcinoma. Frontiers In Oncology 2025, 15: 1668271. PMID: 41142603, PMCID: PMC12549243, DOI: 10.3389/fonc.2025.1668271.Peer-Reviewed Original ResearchOral squamous cell carcinomaSquamous cell carcinomaReactive oxygen speciesCell deathCell carcinomaPreclinical modelsTumor growthCell culturesMetastatic oral squamous cell carcinomaApoptotic cell deathC.B-17-scidReactive oxygen species-mediated apoptosisEffective treatment optionMetastatic OSCC cellsReactive oxygen species productionN-acetyl-L-cysteineOSCC growthTumor emboliC.B-17Metastatic nodulesNatural compoundsEffects of curcuminSpheroid modelTreatment optionsXenograft model