2016
Change in attitudes and knowledge of problem drug use and harm reduction among a community cohort in Kabul, Afghanistan.
Todd C, Stanekzai M, Nasir A, Fiekert K, Orr M, Strathdee S, Vlahov D. Change in attitudes and knowledge of problem drug use and harm reduction among a community cohort in Kabul, Afghanistan. Eastern Mediterranean Health Journal 2016, 22: 183-92. PMID: 27334075, DOI: 10.26719/2016.22.3.183.Peer-Reviewed Original ResearchConceptsDrug usersHarm reductionProvision of condomsPre-post evaluationCommunity cohortDrug treatmentProblem drug useSyringe distributionFurther community educationDrug useInterview questionnaireConvenience sampleMedical professionalsAgreement levelCommunity educationCommunity representativesDrug policyCommunity supportPeriod of expansionAfghanistanProfessionalsCohortCondomsKabul
2013
Opioid Receptor Polymorphism A118G Associated with Clinical Severity in a Drug Overdose Population
Manini A, Jacobs M, Vlahov D, Hurd Y. Opioid Receptor Polymorphism A118G Associated with Clinical Severity in a Drug Overdose Population. Journal Of Medical Toxicology 2013, 9: 148-154. PMID: 23318993, PMCID: PMC3648633, DOI: 10.1007/s13181-012-0286-3.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlternative SplicingAmino Acid SubstitutionBenzodiazepinesCohort StudiesDrug OverdoseFemaleFollow-Up StudiesGenetic Association StudiesGenetic Predisposition to DiseaseHeart ArrestHumansMaleNarcoticsPilot ProjectsPolymorphism, Single NucleotideProspective StudiesReceptors, Opioid, muRespiratory InsufficiencySeverity of Illness IndexSympathomimeticsUnited StatesConceptsAcute drug overdoseG variant alleleClinical severityVariant allelesEmergency departmentDrug overdoseSingle nucleotide polymorphismsConsecutive adult ED patientsHuman mu-opioid receptor geneReceptor single nucleotide polymorphismsWorse clinical severityAdult ED patientsObservational cohort studyUrban teaching hospitalMu-opioid receptor geneAbove single nucleotide polymorphismsCohort studyED patientsRespiratory arrestCardiac arrestClinical variablesAcute drugSevere outcomesTeaching hospitalBlood samples
2006
Physical activity in a cohort of HIV-positive and HIV-negative injection drug users
Smit E, Crespo C, Semba R, Jaworowicz D, Vlahov D, Ricketts E, Ramirez-Marrero F, Tang A. Physical activity in a cohort of HIV-positive and HIV-negative injection drug users. AIDS Care 2006, 18: 1040-1045. PMID: 17012097, DOI: 10.1080/09540120600580926.Peer-Reviewed Original ResearchConceptsInjection drug usersHIV-positive participantsHIV-positive injection drug usersInjection drug useHIV-negativeVigorous activityPhysical activityDrug usersDrug usePaffenbarger Physical Activity QuestionnaireRecent injection drug usersHIV-negative injection drug usersIntravenous Experience cohortActive antiretroviral therapyCohort of HIVHIV-negative participantsPhysical Activity QuestionnairePhysical activity levelsAntiretroviral therapyHIV infectionViral loadHIV treatmentActivity QuestionnaireAnthropometric measurementsEnergy expenditure
2005
Haplotype analysis of the SDF-1 (CXCL12) gene in a longitudinal HIV-1/AIDS cohort study
Modi W, Scott K, Goedert J, Vlahov D, Buchbinder S, Detels R, Donfield S, O'Brien S, Winkler C. Haplotype analysis of the SDF-1 (CXCL12) gene in a longitudinal HIV-1/AIDS cohort study. Genes & Immunity 2005, 6: 691-698. PMID: 16177829, DOI: 10.1038/sj.gene.6364258.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAdolescentAdultAllelesBlack or African AmericanChemokine CXCL12Chemokines, CXCChildCohort StudiesDisease ProgressionFemaleGene FrequencyHaplotypesHIV InfectionsHIV-1HumansLongitudinal StudiesMaleOdds RatioPolymorphism, Single NucleotideRisk FactorsSurvival AnalysisUnited StatesWhite PeopleConceptsSDF-1 geneCohort studySingle nucleotide polymorphismsAfrican AmericansOnly natural ligandSingle disease outcomesX4 HIV-1HIV-1 infectionAIDS Cohort StudyRisk of infectionMACS cohortDisease outcomeHIV-1Epidemiological studiesSDF-1Significant associationChemokine genesInfectionRs1801157Natural ligandProgressionHaplotype analysisCommon haplotypeCXCR4CohortSexual Risk Behavior Among Injection Drug Users Before Widespread Availability of Highly Active Antiretroviral Therapy
Rusch M, Farzadegan H, Tarwater P, Safaeian M, Vlahov D, Strathdee S. Sexual Risk Behavior Among Injection Drug Users Before Widespread Availability of Highly Active Antiretroviral Therapy. AIDS And Behavior 2005, 9: 289-299. PMID: 16133905, DOI: 10.1007/s10461-005-9003-4.Peer-Reviewed Original ResearchConceptsInjection drug usersCondom useAntiretroviral therapyHIV testingDrug usersEligible injection drug usersRisk behaviorsActive antiretroviral therapyInconsistent condom useSexual risk behaviorsIDU cohortHIV transmissionRetrospective analysisLower riskStudy exposureSexual riskLong-term studiesTherapySignificant changesCounselingRiskExposureLogistic modelWidespread availabilityCohortThe relationship between non‐injection drug use behaviors on progression to AIDS and death in a cohort of HIV seropositive women in the era of highly active antiretroviral therapy use
Kapadia F, Cook J, Cohen M, Sohler N, Kovacs A, Greenblatt R, Choudhary I, Vlahov D. The relationship between non‐injection drug use behaviors on progression to AIDS and death in a cohort of HIV seropositive women in the era of highly active antiretroviral therapy use. Addiction 2005, 100: 990-1002. PMID: 15955015, PMCID: PMC3128378, DOI: 10.1111/j.1360-0443.2005.01098.x.Peer-Reviewed Original ResearchConceptsNon-injection drug useWomen's Interagency HIV StudyHIV progressionMultivariate analysisActive antiretroviral therapy (HAART) eraActive antiretroviral therapy (HAART) useMultivariate Cox proportional hazardsAntiretroviral therapy eraAntiretroviral therapy useFormer usersHIV-seropositive womenProspective cohort studyCells/Cox proportional hazardsDrug use behaviorsUse of stimulantsCause deathHAART initiationHAART utilizationTherapy eraCause mortalityHAART useSeropositive womenAIDS eventsCohort study
2004
Increase in Sexual Risk Behavior Associated with Immunologic Response to Highly Active Antiretroviral Therapy among HIV-Infected Injection Drug Users
Tun W, Gange S, Vlahov D, Strathdee S, Celentano D. Increase in Sexual Risk Behavior Associated with Immunologic Response to Highly Active Antiretroviral Therapy among HIV-Infected Injection Drug Users. Clinical Infectious Diseases 2004, 38: 1167-1174. PMID: 15095224, DOI: 10.1086/383033.Peer-Reviewed Original ResearchConceptsInjection drug usersActive antiretroviral therapyHAART initiationCell countAntiretroviral therapyDrug usersSexual intercourseRisk reduction counselingHuman immunodeficiency virusLarge cohort studyDrug injection behaviorInjection of drugsUnprotected sexual intercourseSemiannual visitsReduction counselingCohort studyHIV infectionHIV serostatusImmunodeficiency virusImmunologic responseNeedle sharingBlood samplesSurvival analysisRisk behaviorsCD4Hepatitis C incidence—a comparison between injection and noninjection drug users in New York City
Fuller C, Ompad D, Galea S, Wu Y, Koblin B, Vlahov D. Hepatitis C incidence—a comparison between injection and noninjection drug users in New York City. Journal Of Urban Health 2004, 81: 20-24. PMID: 15047780, PMCID: PMC3456148, DOI: 10.1093/jurban/jth084.Peer-Reviewed Original ResearchConceptsHepatitis C virusInjection drug usersNoninjection drug usersDrug usersHCV seropositiveRisk of HCVNew injection drug usersPerson-time analysisAnnual incidence rateHepatitis C incidenceAnnual incident rateHigh-risk practicesHCV incidenceHCV seroconvertersNon-IDUsHCV serologyHCV preventionC virusRisk factorsIncidence ratePrevention servicesOnset of injectionEarly preventionNew York CityRisk Survey
2003
Longitudinal Patterns of Drug Injection Behavior in the ALIVE Study Cohort,1988–2000: Description and Determinants
Galai N, Safaeian M, Vlahov D, Bolotin A, Celentano D. Longitudinal Patterns of Drug Injection Behavior in the ALIVE Study Cohort,1988–2000: Description and Determinants. American Journal Of Epidemiology 2003, 158: 695-704. PMID: 14507606, DOI: 10.1093/aje/kwg209.Peer-Reviewed Original ResearchConceptsInjection drug usersDrug injection behaviorDrug usersIntravenous Experience (ALIVE) studyDrug treatment programsHistory of incarcerationLogistic regression modelsALIVE studySemiannual visitsMultinomial logistic regression modelsBaseline factorsChronic diseasesDrug injectionRecent overdoseCessation attemptsDrug use transitionsDrug injectorsCommunity outreach effortsLongitudinal patternsHigh mortalityEarly determinantsYounger ageTreatment programInjection behaviorStudy periodGenetic influence of CXCR6 chemokine receptor alleles on PCP-mediated AIDS progression among African Americans
Duggal P, An P, Beaty T, Strathdee S, Farzadegan H, Markham R, Johnson L, O'Brien S, Vlahov D, Winkler C. Genetic influence of CXCR6 chemokine receptor alleles on PCP-mediated AIDS progression among African Americans. Genes & Immunity 2003, 4: 245-250. PMID: 12761559, DOI: 10.1038/sj.gene.6363950.Peer-Reviewed Original ResearchConceptsPneumocystis carinii pneumoniaLate-stage HIV-1 infectionAfrican AmericansHIV-1 infectionMedian survival timeSIV infectionCarinii pneumoniaChemokine receptorsAIDS progressionPrimary coreceptorSurvival timeK polymorphismInitial infectionCXCR6Receptor allelesInfectionProgressionSingle nucleotide polymorphismsDeathK genotypesAIDSCoreceptorNucleotide polymorphismsGenetic influencesAllele frequenciesThe Role of Medicaid HMO Enrollment in the Longitudinal Utilization of Medical Care Services in a Cohort of Injecting Drug users in Baltimore, Maryland
Juday T, Wu A, Celentano D, Rick K, Wang M, Vlahov D. The Role of Medicaid HMO Enrollment in the Longitudinal Utilization of Medical Care Services in a Cohort of Injecting Drug users in Baltimore, Maryland. Substance Use & Addiction Journal 2003, 24: 27-41. PMID: 12652093, DOI: 10.1080/08897070309511531.Peer-Reviewed Original ResearchConceptsAmbulatory care visitsCare visitsInpatient admissionsHMO enrollmentDrug usersMedicaid HMO enrolleesMore inpatient admissionsInjecting Drug UsersMedical care utilizationNatural history studiesIntravenous Experience (ALIVE) studyMedical care servicesCommunity-based sampleLongitudinal utilizationER visitsHIV infectionCare utilizationMedicaid beneficiariesHMO enrolleesCare servicesIDUsInappropriate utilizationUtilization differencesMedicaidMedicaid HMOsFactors Associated With Human Herpesvirus Type 8 Infection in an Injecting Drug User Cohort
Bernstein K, Jacobson L, Jenkins F, Vlahov D, Armenian H. Factors Associated With Human Herpesvirus Type 8 Infection in an Injecting Drug User Cohort. Sexually Transmitted Diseases 2003, 30: 199-204. PMID: 12616135, DOI: 10.1097/00007435-200303000-00004.Peer-Reviewed Original ResearchConceptsHHV-8 seroprevalenceRisk factorsHHV-8Human herpesvirus type 8 infectionLarger body mass indexHuman herpesvirus type 8Drug user cohortHHV-8 seropositivityInjection drug useBody mass indexMultivariate logistic regressionCross-sectional studyDrug user populationGenital wartsMass indexGeneral populationDrug useSeroprevalenceIndirect immunofluorescenceLogistic regressionIDUsInfectionType 8User cohortSexual behaviorVariability in the Incidence of Human Immunodeficiency Virus, Hepatitis B Virus, and Hepatitis C Virus Infection among Young Injecting Drug Users in New York City
Des Jarlais D, Diaz T, Perlis T, Vlahov D, Maslow C, Latka M, Rockwell R, Edwards V, Friedman S, Monterroso E, Williams I, Garfein R. Variability in the Incidence of Human Immunodeficiency Virus, Hepatitis B Virus, and Hepatitis C Virus Infection among Young Injecting Drug Users in New York City. American Journal Of Epidemiology 2003, 157: 467-471. PMID: 12615611, DOI: 10.1093/aje/kwf222.Peer-Reviewed Original ResearchConceptsHepatitis B virusHuman immunodeficiency virusHepatitis C virusImmunodeficiency virusB virusDrug usersHepatitis C virus infectionC virus infectionInjecting Drug UsersHigh HIV seroprevalenceHigh rateHBV incidenceHCV incidenceHCV transmissionCohort studyHIV seroprevalenceHIV incidenceHIV transmissionYoung Injecting Drug UsersC virusVirus infectionNew York CityIncidenceVirusYork City
2002
HLA-Cw*04 and Hepatitis C Virus Persistence
Thio C, Gao X, Goedert J, Vlahov D, Nelson K, Hilgartner M, O'Brien S, Karacki P, Astemborski J, Carrington M, Thomas D. HLA-Cw*04 and Hepatitis C Virus Persistence. Journal Of Virology 2002, 76: 4792-4797. PMID: 11967296, PMCID: PMC136132, DOI: 10.1128/jvi.76.10.4792-4797.2002.Peer-Reviewed Original ResearchConceptsHuman leukocyte antigenHCV infectionViral persistenceAcute hepatitis C virus (HCV) infectionAssociation of HLAHepatitis C virus infectionHepatitis C virus (HCV) persistenceKiller immunoglobulin-like receptorsClass I human leukocyte antigenEarly host immune responseC virus infectionHCV RNA levelsNatural killer cellsImmunoglobulin-like receptorsCytolytic T cellsHost immune responsePolymorphic HLA genesHCV clearanceHCV persistenceKiller cellsViral clearanceLeukocyte antigenPx groupForeign antigensT cellsHigh-risk behaviors associated with transition from illicit non-injection to injection drug use among adolescent and young adult drug users: a case-control study
Fuller C, Vlahov D, Ompad D, Shah N, Arria A, Strathdee S. High-risk behaviors associated with transition from illicit non-injection to injection drug use among adolescent and young adult drug users: a case-control study. Drug And Alcohol Dependence 2002, 66: 189-198. PMID: 11906806, DOI: 10.1016/s0376-8716(01)00200-9.Peer-Reviewed Original ResearchConceptsInjection drug usersInjection drug useAge-matched case-control analysisDrug usersDrug useBlood-borne infectionsAge-matched personsCase-control studyConditional logistic regressionCase-control analysisHigh-risk behaviorsNon-injection heroinCharacteristics of personsHIV seroprevalenceCohort studyInjection useAdult drug usersLogistic regressionPrevention effortsSame calendar timeYoung adult drug usersCalendar timePrior yearAfrican AmericansBaseline
2001
Evidence of rodent-associated Bartonella and Rickettsia infections among intravenous drug users from Central and East Harlem, New York City.
Comer J, Diaz T, Vlahov D, Monterroso E, Childs J. Evidence of rodent-associated Bartonella and Rickettsia infections among intravenous drug users from Central and East Harlem, New York City. American Journal Of Tropical Medicine And Hygiene 2001, 65: 855-60. PMID: 11791987, DOI: 10.4269/ajtmh.2001.65.855.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsAntibodies, BacterialBartonellaBartonella InfectionsCohort StudiesCross ReactionsFemaleFluorescent Antibody Technique, IndirectHIV SeropositivityHumansMaleNew York CityPrevalenceRatsRickettsiaRickettsia InfectionsSubstance Abuse, IntravenousSurveys and QuestionnairesUrban HealthConceptsInjection drug usersDrug usersGroup rickettsiaeSerum samplesIntravenous drug usersCross-adsorption studiesEast HarlemR. akari infectionPrimary etiologic agentTyphus group rickettsiaeFever group rickettsiaeIDU populationHigh prevalenceEtiologic agentNew York CityRickettsia akariBartonella henselaeAntigenTesting panelsRickettsia typhiB. henselaeBartonella quintanaR. rickettsiiRickettsia infectionR. akariDynamics of SEN Virus Infection among Injection Drug Users
Wilson L, Umemura T, Astemborski J, Ray S, Alter H, Strathdee S, Vlahov D, Thomas D. Dynamics of SEN Virus Infection among Injection Drug Users. The Journal Of Infectious Diseases 2001, 184: 1315-1319. PMID: 11679921, DOI: 10.1086/324001.Peer-Reviewed Original ResearchConceptsInjection drug usersSEN virusDrug usersSEN virus infectionSENV-H DNASENV-H infectionPosttransfusion hepatitisSENV infectionViral clearancePolymerase chain reactionViral persistenceClinical significanceVirus infectionInfectionSerum samplesChain reactionReinfectionVirusDNA virusesHepatitisClearanceInfluence of Injection Drug Use Behavior on Reported Antiretroviral Therapy Use Among Women in the HIV Epidemiology Research Study: On-Site Versus Referral Care.
Rompalo A, Shah N, Mayer K, Schuman P, Klein R, Smith D, Vlahov D. Influence of Injection Drug Use Behavior on Reported Antiretroviral Therapy Use Among Women in the HIV Epidemiology Research Study: On-Site Versus Referral Care. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2001, 28: 28. PMID: 11579274, DOI: 10.1097/00042560-200109010-00005.Peer-Reviewed Original ResearchConceptsInjection drug useInjection drug usersAntiretroviral therapy useAntiretroviral therapyART useDrug usersDrug useHIV careTherapy useSelf-reported injection drug useMedical careCD4 cell count categorySelf-reported ART useActive injection drug usersSexual contactFemale injection drug usersInjection drug use behaviorsPneumocystis carinii prophylaxisActive antiretroviral therapyProspective cohort studyHIV Epidemiology Research StudyHealth care providersCross-sectional analysisDrug use behaviorsReferral careHighly Active Antiretroviral Therapy Associated with Improved Anemia Among HIV-Infected Women
Semba R, Shah N, Klein R, Mayer K, Schuman P, Gardner L, Vlahov D. Highly Active Antiretroviral Therapy Associated with Improved Anemia Among HIV-Infected Women. AIDS Patient Care And STDs 2001, 15: 473-480. PMID: 11587633, DOI: 10.1089/108729101753145466.Peer-Reviewed Original ResearchConceptsPrevalence of anemiaAntiretroviral therapyHuman immunodeficiency virus (HIV) infectionActive antiretroviral therapyCombination antiretroviral therapyImmunodeficiency virus infectionHIV-positive womenYears of treatmentIncrease of hemoglobinImproved anemiaMulticenter cohortVirus infectionHAARTAnemiaHIVWomenTherapyLinear regression modelsPrevalenceTreatmentBaselineHemoglobinRegression modelsSignificant changesMonotherapyRacial Differences in HLA Class II Associations with Hepatitis C Virus Outcomes
Thio C, Thomas D, Goedert J, Vlahov D, Nelson K, Hilgartner M, O’Brien S, Karacki P, Marti D, Astemborski J, Carrington M. Racial Differences in HLA Class II Associations with Hepatitis C Virus Outcomes. The Journal Of Infectious Diseases 2001, 184: 16-21. PMID: 11398104, DOI: 10.1086/321005.Peer-Reviewed Original ResearchConceptsHuman leukocyte antigenClass II associationsViral clearanceClass II HLA typingClass II human leukocyte antigenHepatitis C virus clearanceHLA class II associationsCD4 T cell responsesT cell responsesClass II allelesHepatitis C virus outcomeHCV clearanceLeukocyte antigenVirus clearanceViral persistenceHLA typingImmune responseHomogeneous cohortCell responsesWhite subjectsDiverse cohortCohortClearanceVaried cohortsBlack subjects