2024
The recent rapid expansion of multidrug resistant Ural lineage Mycobacterium tuberculosis in Moldova
Chitwood M, Colijn C, Yang C, Crudu V, Ciobanu N, Codreanu A, Kim J, Rancu I, Rhee K, Cohen T, Sobkowiak B. The recent rapid expansion of multidrug resistant Ural lineage Mycobacterium tuberculosis in Moldova. Nature Communications 2024, 15: 2962. PMID: 38580642, PMCID: PMC10997638, DOI: 10.1038/s41467-024-47282-9.Peer-Reviewed Original ResearchConceptsMDR M. tuberculosisGenome sequenceResistance-conferring mutationsBeijing sublineageMDR strainsReproductive fitnessBeijing strainsCulture-positive casesLineagesMtb strainsMultidrug-resistant tuberculosisMDRMtbStrainMDR-TBMutationsResistant tuberculosisMDR-MTBSubstantial riskSublineagesTuberculosisSequenceIdentifying local foci of tuberculosis transmission in Moldova using a spatial multinomial logistic regression model
Lan Y, Crudu V, Ciobanu N, Codreanu A, Chitwood M, Sobkowiak B, Warren J, Cohen T. Identifying local foci of tuberculosis transmission in Moldova using a spatial multinomial logistic regression model. EBioMedicine 2024, 102: 105085. PMID: 38531172, PMCID: PMC10987885, DOI: 10.1016/j.ebiom.2024.105085.Peer-Reviewed Original ResearchConceptsPatterns of spatial aggregationMtb strainsMDR-TBLogistic regression modelsGenome Epidemiology StudySpecific strainsMultidrug-resistant tuberculosisTreated TB casesNational Institute of AllergyMDR phenotypeRegression modelsM. tuberculosisInstitute of AllergyMultinomial logistic regression modelUS National Institutes of HealthNational Institutes of HealthMDR diseasePublic health concernAssociated with local transmissionIncident TBInstitutes of HealthMtbResistant tuberculosisStrainDiagnosing TB
2016
Use of Lot Quality Assurance Sampling to Ascertain Levels of Drug Resistant Tuberculosis in Western Kenya
Jezmir J, Cohen T, Zignol M, Nyakan E, Hedt-Gauthier BL, Gardner A, Kamle L, Injera W, Carter EJ. Use of Lot Quality Assurance Sampling to Ascertain Levels of Drug Resistant Tuberculosis in Western Kenya. PLOS ONE 2016, 11: e0154142. PMID: 27167381, PMCID: PMC4864281, DOI: 10.1371/journal.pone.0154142.Peer-Reviewed Original ResearchConceptsMDR-TBDrug resistanceResistant tuberculosisLot Quality Assurance Sampling methodologyMulti-drug resistant tuberculosisPositive TB patientsDrug resistance surveillanceDrug-resistant tuberculosisTB drug resistanceRural settingsPoly-resistant strainsTB patientsWestern KenyaLot Quality AssuranceLow prevalencePatientsResistance surveillancePrevalenceTuberculosisLQASSettingLow levelsDifferent geographic settingsUrban settingsLevels
2014
On the spread and control of MDR-TB epidemics: An examination of trends in anti-tuberculosis drug resistance surveillance data
Cohen T, Jenkins HE, Lu C, McLaughlin M, Floyd K, Zignol M. On the spread and control of MDR-TB epidemics: An examination of trends in anti-tuberculosis drug resistance surveillance data. Drug Resistance Updates 2014, 17: 105-123. PMID: 25458783, PMCID: PMC4358299, DOI: 10.1016/j.drup.2014.10.001.Peer-Reviewed Original ResearchConceptsMDR-TBTB casesResistant tuberculosisAbsolute burdenSurveillance dataMDR-TB epidemicDrug-resistant TBMultidrug-resistant tuberculosisDrug-resistant tuberculosisNotified TB casesResistance surveillance dataSufficient surveillance dataWorld Health OrganizationBurden settingsTuberculosis controlUnadjusted analysesSignificant linear trendSurveillance indicatorsRobust surveillance systemHealth OrganizationTuberculosisBurdenSurveillance systemSettingLinear trend
2013
Planning for the invisible: projecting resources needed to identify and treat all patients with MDR-TB [Editorial]
Mitnick CD, Keravec J, Cohen T. Planning for the invisible: projecting resources needed to identify and treat all patients with MDR-TB [Editorial]. The International Journal Of Tuberculosis And Lung Disease 2013, 17: 427-428. PMID: 23485374, DOI: 10.5588/ijtld.13.0110.Peer-Reviewed Original ResearchConceptsMDR-TB
2012
Multidrug Resistance Among New Tuberculosis Cases
Hedt BL, van Leth F, Zignol M, Cobelens F, van Gemert W, Nhung NV, Lyepshina S, Egwaga S, Cohen T. Multidrug Resistance Among New Tuberculosis Cases. Epidemiology 2012, 23: 293-300. PMID: 22249242, PMCID: PMC3276714, DOI: 10.1097/ede.0b013e3182459455.Peer-Reviewed Original Research
2011
Multiple Introductions of Multidrug-Resistant Tuberculosis into Households, Lima, Peru - Volume 17, Number 6—June 2011 - Emerging Infectious Diseases journal - CDC
Cohen T, Murray M, Abubakar I, Zhang Z, Sloutsky A, Arteaga F, Chalco K, Franke MF, Becerra MC. Multiple Introductions of Multidrug-Resistant Tuberculosis into Households, Lima, Peru - Volume 17, Number 6—June 2011 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2011, 17: 969-975. PMID: 21749756, PMCID: PMC3358204, DOI: 10.3201/eid1706.101471.Peer-Reviewed Original ResearchConceptsMDR-TB patientsMDR-TBMultidrug-resistant tuberculosisTB patientsOptimal treatment regimensMDR Mycobacterium tuberculosisDrug sensitivity testingHigh incidence areaRepetitive unit-variable number tandem repeatHousehold contactsTreatment regimensHousehold transmissionSecondary casesPatientsMycobacterium tuberculosisSensitivity testingCommunity exposureTuberculosisNumber tandem repeatTBSecond strainExposureRegimensSpoligotyping
2010
Assessing spatiotemporal patterns of multidrug-resistant and drug-sensitive tuberculosis in a South American setting
LIN H, SHIN S, BLAYA JA, ZHANG Z, CEGIELSKI P, CONTRERAS C, ASENCIOS L, BONILLA C, BAYONA J, PACIOREK CJ, COHEN T. Assessing spatiotemporal patterns of multidrug-resistant and drug-sensitive tuberculosis in a South American setting. Epidemiology And Infection 2010, 139: 1784-1793. PMID: 21205434, PMCID: PMC3153578, DOI: 10.1017/s0950268810002797.Peer-Reviewed Original ResearchConceptsTB casesMDR diseaseMultidrug-resistant tuberculosis (MDR-TB) casesDrug-sensitive tuberculosisDrug-resistant diseaseDrug susceptibility testingMDR-TBMDR casesTuberculosis casesIncident casesSubgroup analysisInfection controlK statisticInfectious durationAppearance of resistanceDistricts of LimaSusceptibility testingDiseasePatientsTBUrban settingsCasesTuberculosisSettingMDRDevelopment of Extensively Drug-resistant Tuberculosis during Multidrug-resistant Tuberculosis Treatment
Shin SS, Keshavjee S, Gelmanova IY, Atwood S, Franke MF, Mishustin SP, Strelis AK, Andreev YG, Pasechnikov AD, Barnashov A, Tonkel TP, Cohen T. Development of Extensively Drug-resistant Tuberculosis during Multidrug-resistant Tuberculosis Treatment. American Journal Of Respiratory And Critical Care Medicine 2010, 182: 426-432. PMID: 20413630, PMCID: PMC2921603, DOI: 10.1164/rccm.200911-1768oc.Peer-Reviewed Original ResearchConceptsMDR-TB treatmentXDR-TBDrug-resistant tuberculosisMultidrug-resistant (MDR) TBMDR-TB treatment programmeExtensively Drug-Resistant TuberculosisMultidrug-resistant tuberculosis treatmentCox proportional hazards modelDevelopment of XDRMDR-TB therapyTB treatment servicesAmplification of resistanceProportional hazards modelThreefold increaseMDR-TBCavitary lesionsConsecutive patientsAppropriate therapyClinical outcomesTreatment adherenceTuberculosis treatmentInjectable antibioticsTimely initiationPrescribed drugsRetrospective analysis