2021
A qualitative study of emergency department patients who survived an opioid overdose: Perspectives on treatment and unmet needs
Hawk K, Grau LE, Fiellin DA, Chawarski M, O’Connor P, Cirillo N, Breen C, D’Onofrio G. A qualitative study of emergency department patients who survived an opioid overdose: Perspectives on treatment and unmet needs. Academic Emergency Medicine 2021, 28: 542-552. PMID: 33346926, PMCID: PMC8281441, DOI: 10.1111/acem.14197.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalgesics, OpioidDrug OverdoseEmergency Service, HospitalFemaleHumansMaleOpiate OverdoseOpioid-Related DisordersYoung AdultConceptsOpioid use disorderEmergency departmentSubstance use treatmentOpioid overdosePatient's perspectiveUnmet needUse treatmentAcute opioid overdoseAdult ED patientsEmergency department patientsPatient support servicesProvider communication skillsEmergency medicine cliniciansAcademic emergency departmentSocial ecologic modelEvidence-based treatmentsChoice of patientsBrief quantitative surveyPatient-oriented approachOpioid useDepartment patientsOUD treatmentUnmet basic needsED careED patients
2017
Past‐year Prescription Drug Monitoring Program Opioid Prescriptions and Self‐reported Opioid Use in an Emergency Department Population With Opioid Use Disorder
Hawk K, D'Onofrio G, Fiellin DA, Chawarski MC, O'Connor PG, Owens PH, Pantalon MV, Bernstein SL. Past‐year Prescription Drug Monitoring Program Opioid Prescriptions and Self‐reported Opioid Use in an Emergency Department Population With Opioid Use Disorder. Academic Emergency Medicine 2017, 25: 508-516. PMID: 29165853, PMCID: PMC5963969, DOI: 10.1111/acem.13352.Peer-Reviewed Original ResearchConceptsPrescription drug monitoring programsOpioid use disorderNonmedical prescription opioid usePrescription opioid useAberrant drug-related behaviorsOpioid useOpioid prescriptionsUse disordersED patientsDrug-related behaviorsPrescription recordsState prescription drug monitoring programStatistical Manual IV criteriaNonmedical opioid useRandomized clinical trialsEmergency department assessmentEmergency department populationDrug monitoring programsCharacteristics of participantsUrban EDOpioid dependencePrescription opioidsPDMP dataTreatment trialsClinical historyCost‐effectiveness of emergency department‐initiated treatment for opioid dependence
Busch SH, Fiellin DA, Chawarski MC, Owens PH, Pantalon MV, Hawk K, Bernstein SL, O'Connor PG, D'Onofrio G. Cost‐effectiveness of emergency department‐initiated treatment for opioid dependence. Addiction 2017, 112: 2002-2010. PMID: 28815789, PMCID: PMC5657503, DOI: 10.1111/add.13900.Peer-Reviewed Original ResearchConceptsCost-effectiveness acceptability curvesOpioid dependenceCommunity-based treatmentBrief interventionAcceptability curvesPast weekHealth care system costsHealth care system perspectiveAddiction treatmentOpioid-dependent patientsPatient time costsHealth care useFormal addiction treatmentBuprenorphine treatmentUrban EDEmergency departmentPrimary carePatient engagementTreatment engagementPatientsReferralSecondary analysisBuprenorphineNumber of daysInterventionEarly Initiation of Amphetamine-Type Stimulants (ATS) Use Associated with Lowered Cognitive Performance among Individuals with Co-Occurring Opioid and ATS Use Disorders in Malaysia
Chooi WT, Zaharim N, Desrosiers A, Ahmad I, Yasin MAM, Jaapar S, Schottenfeld RS, Vicknasingam BK, Chawarski MC. Early Initiation of Amphetamine-Type Stimulants (ATS) Use Associated with Lowered Cognitive Performance among Individuals with Co-Occurring Opioid and ATS Use Disorders in Malaysia. Journal Of Psychoactive Drugs 2017, 49: 326-332. PMID: 28661714, PMCID: PMC6218246, DOI: 10.1080/02791072.2017.1342152.Peer-Reviewed Original ResearchConceptsCognitive performanceStandard Progressive MatricesRey-Osterrieth Complex Figure TestSymbol digit substitution taskCognitive performance groupsComplex Figure TestRaven's Standard Progressive MatricesATS use disorderATS useDigit spanTrail MakingCognitive functioningFigures TestAmphetamine-type stimulant useSubstitution taskProgressive MatricesFunctioning profilesDrug useCo-occurring opioidGroup differencesCurrent study findingsStimulant useClusters of individualsATS dependenceUse disorders
2016
Medical treatments for opioid use disorder in Iran: a randomized, double‐blind placebo‐controlled comparison of buprenorphine/naloxone and naltrexone maintenance treatment
Mokri A, Chawarski MC, Taherinakhost H, Schottenfeld RS. Medical treatments for opioid use disorder in Iran: a randomized, double‐blind placebo‐controlled comparison of buprenorphine/naloxone and naltrexone maintenance treatment. Addiction 2016, 111: 874-882. PMID: 26639678, DOI: 10.1111/add.13259.Peer-Reviewed Original ResearchConceptsOpioid-negative urine testsBuprenorphine/naloxoneOpioid use disorderSublingual buprenorphine/naloxoneUrine testsUse disordersOral naltrexoneOpioid abstinenceClinical trialsTreatment retentionDouble-blind placebo-controlled comparisonMean numberDouble-blind clinical trialOpioid use disorder treatmentNaltrexone maintenance treatmentTwo-group parallelEffective opioid use disorder treatmentPlacebo-controlled comparisonUrine toxicology testsPilot clinical trialGroup drug counselingUse disorder treatmentClinical research programBNx groupNTX group
2015
Evaluation of an implementation of methadone maintenance treatment in China
Marienfeld C, Liu P, Wang X, Schottenfeld R, Zhou W, Chawarski MC. Evaluation of an implementation of methadone maintenance treatment in China. Drug And Alcohol Dependence 2015, 157: 60-67. PMID: 26601934, PMCID: PMC4663107, DOI: 10.1016/j.drugalcdep.2015.10.001.Peer-Reviewed Original ResearchConceptsInjection drug useMethadone maintenance treatmentMMT exposureDrug useMaintenance treatmentUrine testsPositive testOpiate positive urine testsDaily methadone dosesPositive urine testHigher adherence ratesOpioid use disorderNegative urine testsSelf-reported drug useElectronic medical recordsPriority improvement areasMonth drug useMethadone dosesMethadone dosingDose adjustmentAdherence ratesDaily dosesMedical recordsTreatment daysUse disorders
2007
Primary Care Office-based Buprenorphine Treatment: Comparison of Heroin and Prescription Opioid Dependent Patients
Moore BA, Fiellin DA, Barry DT, Sullivan LE, Chawarski MC, O’Connor P, Schottenfeld RS. Primary Care Office-based Buprenorphine Treatment: Comparison of Heroin and Prescription Opioid Dependent Patients. Journal Of General Internal Medicine 2007, 22: 527-530. PMID: 17372805, PMCID: PMC1829433, DOI: 10.1007/s11606-007-0129-0.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalgesics, OpioidBuprenorphineFemaleHeroinHeroin DependenceHumansMaleOffice VisitsOpioid-Related DisordersPrimary Health CareConceptsPrescription opioid useOpioid useOnly patientsPrescription opioidsTreatment outcomesBuprenorphine/naloxone maintenanceBuprenorphine/naloxone treatmentOpioid-negative urine samplesPrescription opioid-dependent patientsHepatitis C antibodyDrug treatment historyOpioid-dependent patientsPrimary care officesOffice-based settingClinical characteristicsBuprenorphine treatmentNaloxone treatmentBuprenorphine/Opioid dependenceCare officesDependent patientsTreatment responseC antibodyHeroin usePatients
2005
Methadone Versus Buprenorphine With Contingency Management or Performance Feedback for Cocaine and Opioid Dependence
Schottenfeld RS, Chawarski MC, Pakes JR, Pantalon MV, Carroll KM, Kosten TR. Methadone Versus Buprenorphine With Contingency Management or Performance Feedback for Cocaine and Opioid Dependence. American Journal Of Psychiatry 2005, 162: 340-349. PMID: 15677600, DOI: 10.1176/appi.ajp.162.2.340.Peer-Reviewed Original ResearchConceptsCo-occurring cocaineDrug-free testOpioid dependenceMaintenance treatmentContingency managementOpioid agonist maintenance treatmentAgonist maintenance treatmentDaily sublingual buprenorphineEffects of buprenorphinePrimary outcome measureMixed-model repeated-measures analysisDouble-blind designUrine test resultsNarcotic treatment programsVoucher valueRepeated-measures analysisSublingual buprenorphineTreatment guidelinesIllicit opioidsUrine testsTreatment outcomesOutcome measuresSustained abstinenceWeek 13Buprenorphine