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 regressionWillingness to initiate pre-exposure prophylaxis (PrEP) and its use among opioid-dependent individuals in drug treatment
Ni Z, Altice FL, Wickersham JA, Copenhaver MM, DiDomizio EE, Nelson LE, Shrestha R. Willingness to initiate pre-exposure prophylaxis (PrEP) and its use among opioid-dependent individuals in drug treatment. Drug And Alcohol Dependence 2021, 219: 108477. PMID: 33422864, PMCID: PMC7946167, DOI: 10.1016/j.drugalcdep.2020.108477.Peer-Reviewed Original ResearchConceptsOpioid-dependent individualsPre-exposure prophylaxisPrEP useHIV riskHealthcare providersSex-related risk behaviorsMultivariable logistic regression analysisAwareness of PrEPUrban methadone clinicMultiple logistic regressionDisproportionate HIV burdenLogistic regression analysisCross-sectional surveyHIV burdenHIV infectionHIV testingIndependent correlatesMethadone clinicsDrug treatmentRisk behaviorsLogistic regressionPrEPPrevious useHigher likelihoodProphylaxis
2017
Measuring Acceptability and Preferences for Implementation of Pre-Exposure Prophylaxis (PrEP) Using Conjoint Analysis: An Application to Primary HIV Prevention Among High Risk Drug Users
Shrestha R, Karki P, Altice FL, Dubov O, Fraenkel L, Huedo-Medina T, Copenhaver M. Measuring Acceptability and Preferences for Implementation of Pre-Exposure Prophylaxis (PrEP) Using Conjoint Analysis: An Application to Primary HIV Prevention Among High Risk Drug Users. AIDS And Behavior 2017, 22: 1228-1238. PMID: 28695388, PMCID: PMC5762432, DOI: 10.1007/s10461-017-1851-1.Peer-Reviewed Original ResearchConceptsPre-exposure prophylaxisSex-related risk behaviorsHigh-risk drug usersAcceptability of PrEPHigh-risk PWUDPrimary HIV preventionHIV prevention approachesDrug treatment settingsKey risk populationsHIV-negative PWUDHigh acceptabilityHIV clinicPrEP acceptabilityHIV testingPrEP uptakeMethadone clinicsHIV preventionRisk populationsSide effectsTreatment settingsDrug usersPrEP attributesRisk behaviorsPrEPUnderserved populations
2016
Examining the Acceptability of mHealth Technology in HIV Prevention Among High-Risk Drug Users in Treatment
Shrestha R, Huedo-Medina TB, Altice FL, Krishnan A, Copenhaver M. Examining the Acceptability of mHealth Technology in HIV Prevention Among High-Risk Drug Users in Treatment. AIDS And Behavior 2016, 21: 3100-3110. PMID: 28025735, PMCID: PMC5484759, DOI: 10.1007/s10461-016-1637-x.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAdultCell PhoneConnecticutDelivery of Health CareDrug UsersFemaleHIV InfectionsHumansInternetMaleMethadoneNeurocognitive DisordersOpiate Substitution TreatmentPatient Acceptance of Health CarePrevalenceRisk FactorsRisk-TakingSexual BehaviorSmartphoneSubstance Abuse, IntravenousTelemedicineText MessagingConceptsSex-related risk behaviorsNeurocognitive impairmentDrug usersRisk behaviorsHIV-negative drug usersHigh-risk drug usersHigh-risk populationHigh-risk peopleHIV prevention effortsUse of mHealthMethadone clinicsHIV preventionHigh prevalenceMedication remindersHealth programsMHealth acceptancePrevention effortsHealth conditionsMHealth technologiesConvenience sampleDrugsStandardized assessmentReal-world acceptanceMobile healthPhone calls