2021
Purposeful Fentanyl Use and Associated Factors among Opioid-Dependent People Who Inject Drugs
Chandra DK, Altice FL, Copenhaver MM, Zhou X, Didomizio E, Shrestha R. Purposeful Fentanyl Use and Associated Factors among Opioid-Dependent People Who Inject Drugs. Substance Use & Misuse 2021, 56: 979-987. PMID: 33769199, DOI: 10.1080/10826084.2021.1901931.Peer-Reviewed Original ResearchConceptsOpioid-dependent PWIDFentanyl useOpioid-dependent peopleIndependent correlatesSevere depressionSex-related risk behaviorsMethadone-maintained patientsMultivariable logistic regressionOpioid-related mortalityRecent cocaine useCross-sectional surveySelf-reported drugMethadone dosageYoung PWIDDaily injectionsMethadone clinicsAssociated FactorsFentanyl exposureHigh prevalencePWIDSynthetic opioidsCocaine useYounger ageRisk behaviorsLogistic regression
2020
The real‐world impact of dosing of methadone and buprenorphine in retention on opioid agonist therapies in Ukraine
Farnum SO, Makarenko I, Madden L, Mazhnaya A, Marcus R, Prokhorova T, Bojko MJ, Rozanova J, Dvoriak S, Islam Z, Altice FL. The real‐world impact of dosing of methadone and buprenorphine in retention on opioid agonist therapies in Ukraine. Addiction 2020, 116: 83-93. PMID: 32428276, PMCID: PMC7674222, DOI: 10.1111/add.15115.Peer-Reviewed Original ResearchConceptsOpioid agonist therapyOAT discontinuationAgonist therapyTreatment retentionIndependent predictorsHIV epidemicCost-effective HIV prevention strategyMethadone maintenance treatment patientsObservational longitudinal cohort studySpecialty addictions treatmentBuprenorphine maintenance treatmentHigh dosageHIV prevention strategiesLongitudinal cohort studyOpioid-dependent peopleTreatment discontinuationCohort studyMaintenance treatmentMale sexTreatment patientsPrevention strategiesDiscontinuationYounger ageCenter settingAddiction treatmentFeasibility and Acceptability of an mHealth-Based Approach as an HIV Prevention Strategy Among People Who Use Drugs on Pre-Exposure Prophylaxis
Shrestha R, Altice FL, DiDomizio E, Sibilio B, Ranjit YS, Copenhaver MM. Feasibility and Acceptability of an mHealth-Based Approach as an HIV Prevention Strategy Among People Who Use Drugs on Pre-Exposure Prophylaxis. Patient Preference And Adherence 2020, 14: 107-118. PMID: 32021122, PMCID: PMC6971384, DOI: 10.2147/ppa.s236794.Peer-Reviewed Original ResearchPre-exposure prophylaxisHIV risk reductionHIV preventionText messaging servicePrimary HIV preventionHIV prevention strategiesOpioid-dependent peopleReminder text messagesWeekly text messagesPost-intervention assessmentRisk reductionForty HIVPrEP adherenceText messagesSMS remindersRisk groupsText remindersPrevention strategiesUnderserved populationsMHealth technologiesAcceptability studyHealth carePreventionProphylaxisPreliminary evidence
2019
Rationale and design of an integrated bio-behavioral approach to improve adherence to pre-exposure prophylaxis and HIV risk reduction among opioid-dependent people who use drugs: The CHRP-BB study
Shrestha R, Altice FL, Sibilio B, Ssenyonjo J, Copenhaver MM. Rationale and design of an integrated bio-behavioral approach to improve adherence to pre-exposure prophylaxis and HIV risk reduction among opioid-dependent people who use drugs: The CHRP-BB study. Contemporary Clinical Trials 2019, 82: 77-84. PMID: 31229618, PMCID: PMC6639056, DOI: 10.1016/j.cct.2019.06.012.Peer-Reviewed Original ResearchConceptsBio-behavioral interventionHIV risk reductionOpioid-dependent peopleMethadone maintenance programPrEP adherenceHIV transmission risk reductionFirst prospective trialPre-exposure prophylaxisHIV prevention strategiesOngoing drug useRisk reductionBehavioral skills modelProspective trialSecondary outcomesPrimary outcomeRisk reduction outcomesHIV riskWeek 20Prevention strategiesUnmet needDrug useHybrid type IBio-behavioral approachProcess evaluationAdherence
2018
Assessment 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 severityParticipants
2017
Willingness to pay for opioid agonist treatment among opioid dependent people who inject drugs in Ukraine
Makarenko I, Mazhnaya A, Marcus R, Bojko MJ, Madden L, Filippovich S, Dvoriak S, Altice FL. Willingness to pay for opioid agonist treatment among opioid dependent people who inject drugs in Ukraine. International Journal Of Drug Policy 2017, 45: 56-63. PMID: 28628853, PMCID: PMC5533603, DOI: 10.1016/j.drugpo.2017.05.037.Peer-Reviewed Original ResearchConceptsOpioid agonist treatmentOpioid-dependent peopleAgonist treatmentCurrent opioid agonist treatmentCross-sectional nationwide surveyMonthly incomeMultivariate logistic regressionIndependent predictorsPWIDKruskal-Wallis testPsychosocial counselingPrevious unsuccessful attemptsYounger ageLogistic regressionDependent peopleHigher incomeOne-way ANOVANationwide surveyDrugsContinuous variablesFamily supportTreatmentLarge percentageBetter access
2016
Determinants of willingness to enroll in opioid agonist treatment among opioid dependent people who inject drugs in Ukraine
Makarenko I, Mazhnaya A, Polonsky M, Marcus R, Bojko MJ, Filippovych S, Springer S, Dvoriak S, Altice FL. Determinants of willingness to enroll in opioid agonist treatment among opioid dependent people who inject drugs in Ukraine. Drug And Alcohol Dependence 2016, 165: 213-220. PMID: 27370527, PMCID: PMC5094181, DOI: 10.1016/j.drugalcdep.2016.06.011.Peer-Reviewed Original ResearchConceptsOpioid agonist treatmentAdjusted odds ratioOpioid use disorderAgonist treatmentUse disordersSignificant adjusted odds ratiosMultivariable logistic regressionHIV-negative statusPatient-level interventionsOpioid-dependent peopleInjection frequencyHIV statusOdds ratioRecent overdoseIndependent factorsPWIDLogistic regressionPrevious imprisonmentHigher injection frequencySignificant correlatesPrior incarcerationFamily supportDisordersDrugsIntervention