2018
Estimating HIV and HCV prevalence among people who inject drugs in 5 Ukrainian cities using stratification-based respondent driven and random sampling
Zelenev A, Shea P, Mazhnaya A, Meteliuk A, Pykalo I, Marcus R, Fomenko T, Prokhorova T, Altice FL. Estimating HIV and HCV prevalence among people who inject drugs in 5 Ukrainian cities using stratification-based respondent driven and random sampling. International Journal Of Drug Policy 2018, 67: 91-101. PMID: 30503695, PMCID: PMC6537868, DOI: 10.1016/j.drugpo.2018.09.010.Peer-Reviewed Original ResearchConceptsHCV prevalenceHIV prevalenceHCV prevalence estimatesHigh HCV prevalencePrevalence of HIVCross-sectional studyLow-resource settingsInverse probability weightsHCV antibodiesHCV infectionTreatment strategiesHIVTreatment prioritiesPrevalence estimatesHealth outcomesBetter preventionPrevalenceLocal epidemicsHCVPWIDOverall sampleSelection biasPreventionProbability weightsRegular basisOpioid Agonist Treatment and Improved Outcomes at Each Stage of the HIV Treatment Cascade in People Who Inject Drugs in Ukraine
Mazhnaya A, Marcus R, Bojko MJ, Zelenev A, Makarenko I, Pykalo I, Filippovych S, Dvoriak S, Altice FL. Opioid Agonist Treatment and Improved Outcomes at Each Stage of the HIV Treatment Cascade in People Who Inject Drugs in Ukraine. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2018, 79: 288-295. PMID: 30312275, PMCID: PMC8215524, DOI: 10.1097/qai.0000000000001827.Peer-Reviewed Original ResearchConceptsOpioid agonist treatmentHIV treatment cascadeTreatment cascadeAgonist treatmentIndependent factorsHepatitis C virus testingOpioid-dependent PWIDOpioid use disorderClinical care settingsLogistic regression modelsOAT coverageAntiretroviral therapyHIV careUNAIDS 90HIV preventionImproved outcomesTreatment strategiesCare settingsVirus testingNationwide studyPWIDUse disordersOAT expansionHIVCareAssessment of barrier severity and willingness to enter opioid agonist treatment among people who inject drugs in Ukraine
Zelenev A, Shea P, Mazhnaya A, Rozanova J, Madden L, Marcus R, Altice FL. Assessment of barrier severity and willingness to enter opioid agonist treatment among people who inject drugs in Ukraine. Drug And Alcohol Dependence 2018, 190: 82-88. PMID: 29990648, PMCID: PMC6292439, DOI: 10.1016/j.drugalcdep.2018.05.027.Peer-Reviewed Original ResearchConceptsOpioid agonist therapyOpioid agonist treatmentOpioid-dependent peopleSubstance abuse treatment programsCross-sectional surveyAgonist therapyAgonist treatmentHIV preventionTreatment perceptionsTreatment efficacyOAT expansionStudy participantsTreatment programAddiction treatmentComposite measureSeveritySocial stigmaDrugsTreatmentStructural barriersBarrier severityParticipantsHepatitis C virus status awareness and test results confirmation among people who inject drugs in Ukraine
Iakunchykova O, Meteliuk A, Zelenev A, Mazhnaya A, Tracy M, Altice FL. Hepatitis C virus status awareness and test results confirmation among people who inject drugs in Ukraine. International Journal Of Drug Policy 2018, 57: 11-17. PMID: 29655101, PMCID: PMC5994183, DOI: 10.1016/j.drugpo.2018.03.022.Peer-Reviewed Original ResearchConceptsAnti-HCV testIndependent correlatesHCV testingPositive statusAnti-HCV positive statusAnti-HCV positivityHCV treatment cascadeHCV-positive statusOpioid-dependent PWIDRegular HCV testingHIV-negative participantsPositive test resultsChronic HCVHCV prevalenceStatus awarenessHCV infectionHCV preventionTreatment cascadeTreatment strategiesTreatment utilizationNegative participantsPWIDTreatment experienceHCVConfirmatory testing
2017
Hepatitis C virus treatment as prevention in an extended network of people who inject drugs in the USA: a modelling study
Zelenev A, Li J, Mazhnaya A, Basu S, Altice FL. Hepatitis C virus treatment as prevention in an extended network of people who inject drugs in the USA: a modelling study. The Lancet Infectious Diseases 2017, 18: 215-224. PMID: 29153265, PMCID: PMC5860640, DOI: 10.1016/s1473-3099(17)30676-x.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntiviral AgentsChemopreventionCitiesComputer SimulationDisease Transmission, InfectiousFemaleHepatitis CHumansMaleMiddle AgedModels, StatisticalPrevalenceSubstance Abuse, IntravenousSurveys and QuestionnairesTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsBaseline HCV prevalenceHepatitis C virusHCV prevalenceInjection partnersPrevention strategiesTreatment coverageTransmission of HCVHepatitis C virus (HCV) treatmentHCV elimination strategySuccessful HCV treatmentC virus treatmentInjection drug usersHCV treatment coverageAdditional network memberHCV treatmentActing antiviralsC virusChronic infectionVirus treatmentDrug usersPrevalenceDrug abuseDrugsNational InstitutePreventionOverlooked Threats to Respondent Driven Sampling Estimators: Peer Recruitment Reality, Degree Measures, and Random Selection Assumption
Li J, Valente TW, Shin HS, Weeks M, Zelenev A, Moothi G, Mosher H, Heimer R, Robles E, Palmer G, Obidoa C. Overlooked Threats to Respondent Driven Sampling Estimators: Peer Recruitment Reality, Degree Measures, and Random Selection Assumption. AIDS And Behavior 2017, 22: 2340-2359. PMID: 28660381, PMCID: PMC5745307, DOI: 10.1007/s10461-017-1827-1.Peer-Reviewed Original Research