2024
Predictors of unsuccessful tuberculosis treatment outcomes in Brazil: an analysis of 259,484 patient records
Ryuk D, Pelissari D, Alves K, Oliveira P, Castro M, Cohen T, Sanchez M, Menzies N. Predictors of unsuccessful tuberculosis treatment outcomes in Brazil: an analysis of 259,484 patient records. BMC Infectious Diseases 2024, 24: 531. PMID: 38802744, PMCID: PMC11129366, DOI: 10.1186/s12879-024-09417-7.Peer-Reviewed Original ResearchConceptsTreatment outcomesFactors associated with unsuccessful treatment outcomesHigher risk of poor treatment outcomeTB treatmentRisk of poor treatment outcomesUnsuccessful treatmentEffectiveness of TB treatmentAssociated with unsuccessful treatmentUnsuccessful treatment outcomesTuberculosis treatment outcomesDrug-susceptible TBHealth system levelMultivariate logistic regression modelService-related factorsTB drug resistanceComorbid health conditionsHealth-related behaviorsCategorizing treatment outcomesPatient-level factorsClinical examination resultsNational Disease Notification SystemPoor treatment outcomesDisease notification systemHIV infectionLogistic regression models
2017
Priority-Setting for Novel Drug Regimens to Treat Tuberculosis: An Epidemiologic Model
Kendall EA, Shrestha S, Cohen T, Nuermberger E, Dooley KE, Gonzalez-Angulo L, Churchyard GJ, Nahid P, Rich ML, Bansbach C, Forissier T, Lienhardt C, Dowdy DW. Priority-Setting for Novel Drug Regimens to Treat Tuberculosis: An Epidemiologic Model. PLOS Medicine 2017, 14: e1002202. PMID: 28045934, PMCID: PMC5207633, DOI: 10.1371/journal.pmed.1002202.Peer-Reviewed Original ResearchConceptsEase of adherenceTB mortalityTB incidenceNovel drug regimensTB regimenNovel regimenDrug regimensRegimen characteristicsTreatment durationTreatment efficacyRR-TB treatmentTB treatment efficacyRifampicin-resistant TBTB treatment durationDynamic transmission modelTB regimensNew regimensRR-TBTB treatmentMedical contraindicationsPatients' qualitySafety profileBaseline prevalenceTB epidemicTuberculosis treatment
2016
Benefits of continuous isoniazid preventive therapy may outweigh resistance risks in a declining tuberculosis/HIV coepidemic
Kunkel A, Crawford FW, Shepherd J, Cohen T. Benefits of continuous isoniazid preventive therapy may outweigh resistance risks in a declining tuberculosis/HIV coepidemic. AIDS 2016, 30: 2715-2723. PMID: 27782966, PMCID: PMC5089846, DOI: 10.1097/qad.0000000000001235.Peer-Reviewed Original ResearchConceptsContinuous isoniazid preventive therapyIsoniazid preventive therapyIsoniazid-resistant tuberculosisTB epidemicPreventive therapyEffective TB treatmentLatent TB infectionTB drug resistanceTransmission dynamic modelTB infectionMortality benefitTB treatmentHIV controlHIV incidenceTB incidenceTB transmissionCase findingDrug resistanceIncidenceTuberculosisInitial benefitPLHIVHIVTherapyEpidemicTradeoffs in Introduction Policies for the Anti-Tuberculosis Drug Bedaquiline: A Model-Based Analysis
Kunkel A, Cobelens FG, Cohen T. Tradeoffs in Introduction Policies for the Anti-Tuberculosis Drug Bedaquiline: A Model-Based Analysis. PLOS Medicine 2016, 13: e1002142. PMID: 27727274, PMCID: PMC5058480, DOI: 10.1371/journal.pmed.1002142.Peer-Reviewed Original ResearchConceptsTreatment of tuberculosisMDR-TB treatmentTB treatmentSecondary casesDrug-resistant (XDR) TBResistance patternsLife expectancyMultidrug-resistant TB patientsDrug bedaquilineMDR-TB drugsAnti-tuberculosis drug bedaquilineCulture conversionMDR patientsTB patientsMortality benefitBedaquiline resistanceMedian timeRisk of resistanceTB drugsDecrease transmissionHypothetical cohortSources of heterogeneityDrug interactionsInitial cohortTime of initiation
2014
The Impact of Antiretroviral Therapy on Mortality in HIV Positive People during Tuberculosis Treatment: A Systematic Review and Meta-Analysis
Odone A, Amadasi S, White RG, Cohen T, Grant AD, Houben RM. The Impact of Antiretroviral Therapy on Mortality in HIV Positive People during Tuberculosis Treatment: A Systematic Review and Meta-Analysis. PLOS ONE 2014, 9: e112017. PMID: 25391135, PMCID: PMC4229142, DOI: 10.1371/journal.pone.0112017.Peer-Reviewed Original ResearchConceptsHIV-positive peopleAntiretroviral therapyTB treatmentTuberculosis treatmentSystematic reviewHIV-positive TB casesCoverage of ARTRisk of deathMain outcome measuresOutcomes of interestTB casesDual epidemicsTB therapyRelative riskOutcome measuresPooled estimatesStudy populationProportion of individualsFatality ratioPositive peopleMeta-AnalysisART statusClinical settingManual searchMortalityHigh Rates of Potentially Infectious Tuberculosis and Multidrug-Resistant Tuberculosis (MDR-TB) among Hospital Inpatients in KwaZulu Natal, South Africa Indicate Risk of Nosocomial Transmission
Bantubani N, Kabera G, Connolly C, Rustomjee R, Reddy T, Cohen T, Pym AS. High Rates of Potentially Infectious Tuberculosis and Multidrug-Resistant Tuberculosis (MDR-TB) among Hospital Inpatients in KwaZulu Natal, South Africa Indicate Risk of Nosocomial Transmission. PLOS ONE 2014, 9: e90868. PMID: 24625669, PMCID: PMC3953209, DOI: 10.1371/journal.pone.0090868.Peer-Reviewed Original ResearchConceptsMultidrug-resistant tuberculosisCurrent coughXDR-TBNosocomial transmissionInfectious tuberculosisInfectious TBHospital inpatientsClinical dataAnti-tuberculosis drug susceptibility testingMDR/XDR-TBPrevious TB treatmentDrug susceptibility testingTB treatmentHospital admissionMale sexTB inpatientsScotland hospitalsInpatient settingHigh burdenSputum samplesInfection controlInpatientsKwaZulu-NatalCoughDrug resistanceHigh risk and rapid appearance of multidrug resistance during tuberculosis treatment in Moldova.
Jenkins HE, Crudu V, Soltan V, Ciobanu A, Domente L, Cohen T. High risk and rapid appearance of multidrug resistance during tuberculosis treatment in Moldova. European Respiratory Journal 2014, 43: 1132-41. PMID: 24558181, PMCID: PMC4005038, DOI: 10.1183/09031936.00203613.Peer-Reviewed Original ResearchConceptsMultidrug-resistant tuberculosisMDR-TB diagnosisMDR-TB casesTB treatmentFirst-line TB drugsAmbulatory TB treatmentMDR-TB riskDrug susceptibility testingNosocomial transmissionInitial diagnosisPercentage of individualsTB drugsTuberculosis treatmentEarly treatmentHigh riskSputum specimensSurveillance databasePrevious incarcerationDrug resistanceMultidrug resistanceDiagnosisTreatmentBaseline resistanceRapid appearanceRisk
2010
Estimating the magnitude and direction of bias in tuberculosis drug resistance surveys conducted only in the public sector: a simulation study
Cohen T, Hedt BL, Pagano M. Estimating the magnitude and direction of bias in tuberculosis drug resistance surveys conducted only in the public sector: a simulation study. BMC Public Health 2010, 10: 355. PMID: 20565947, PMCID: PMC2898828, DOI: 10.1186/1471-2458-10-355.Peer-Reviewed Original Research