2024
Research and publication gaps on kratom and kratom products: a scoping review of current literature
Vicknasingam B, Karunakaran T, Chawarski M. Research and publication gaps on kratom and kratom products: a scoping review of current literature. Current Opinion In Psychiatry 2024, 37: 282-291. PMID: 38818826, DOI: 10.1097/yco.0000000000000950.Peer-Reviewed Original ResearchConceptsHealth system databasePublic health impactPublic health consequencesPrevalence ratesNational surveyHealth impactsPublic healthPublication gapSystem databaseCase series reportControlled clinical studiesClinical case reportEpidemiological factorsEpidemiological surveillanceCase reportScopus databasesSeries reportClinical studiesKratom productsSurveyHuman laboratoryResearch articlesKratomHealthAnalytical study
2023
Perspectives on and experiences of emergency department–initiated buprenorphine among clinical pharmacists: A multi-site qualitative study
Justen M, Edelman E, Chawarski M, Coupet E, Cowan E, Lyons M, Owens P, Martel S, Richardson L, Rothman R, Whiteside L, O'Connor P, Zahn E, D'Onofrio G, Fiellin D, Hawk K. Perspectives on and experiences of emergency department–initiated buprenorphine among clinical pharmacists: A multi-site qualitative study. Journal Of Substance Use And Addiction Treatment 2023, 155: 209058. PMID: 37149149, DOI: 10.1016/j.josat.2023.209058.Peer-Reviewed Original ResearchConceptsOpioid use disorderClinical pharmacistsED careEmergency department-initiated buprenorphineEffective OUD treatmentEffectiveness-implementation studyHealth Services frameworkFocus groups/interviewsMulti-site qualitative studyFuture implementation effortsOUD treatmentUrban EDGroups/interviewsEmergency departmentPromoting ActionUnique pharmacologyED staffBuprenorphinePharmacist participantsUse disordersED contextPharmacistsPractice changePharmacy resourcesSuccessful program implementationPerspectives of Clinicians and Staff at Community-Based Opioid Use Disorder Treatment Settings on Linkages With Emergency Department–Initiated Buprenorphine Programs
Sue K, Chawarski M, Curry L, McNeil R, Coupet E, Schwartz R, Wilder C, Tsui J, Hawk K, D’Onofrio G, O’Connor P, Fiellin D, Edelman E. Perspectives of Clinicians and Staff at Community-Based Opioid Use Disorder Treatment Settings on Linkages With Emergency Department–Initiated Buprenorphine Programs. JAMA Network Open 2023, 6: e2312718. PMID: 37163263, PMCID: PMC10173026, DOI: 10.1001/jamanetworkopen.2023.12718.Peer-Reviewed Original ResearchConceptsCommunity-based cliniciansOpioid use disorderEmergency departmentOUD treatmentMedication treatmentSubstance use disorders trainingUrban academic emergency departmentEffectiveness-implementation studyAcademic emergency departmentDisorder treatment settingsPerspectives of cliniciansCommunity-based treatmentCommunity-based treatment programsStaff perspectivesImplementation science frameworkBuprenorphine programTreatment cliniciansPeer navigatorsReferral sitesPromoting ActionMAIN OUTCOMEED staffBuprenorphineFocus groupsUse disordersImplementation Facilitation to Promote Emergency Department–Initiated Buprenorphine for Opioid Use Disorder
D’Onofrio G, Edelman E, Hawk K, Chawarski M, Pantalon M, Owens P, Martel S, Rothman R, Saheed M, Schwartz R, Cowan E, Richardson L, Salsitz E, Lyons M, Freiermuth C, Wilder C, Whiteside L, Tsui J, Klein J, Coupet E, O’Connor P, Matthews A, Murphy S, Huntley K, Fiellin D. Implementation Facilitation to Promote Emergency Department–Initiated Buprenorphine for Opioid Use Disorder. JAMA Network Open 2023, 6: e235439. PMID: 37017967, PMCID: PMC10077107, DOI: 10.1001/jamanetworkopen.2023.5439.Peer-Reviewed Original ResearchConceptsOpioid use disorderRate of patientsOUD treatmentImplementation facilitationED visitsObservational cohortED cliniciansX-waiverUse disordersEmergency Department-Initiated BuprenorphineUntreated opioid use disorderEvaluation periodHybrid type 3Provision of buprenorphineBaseline periodGrand roundsRates of EDPrimary outcomeWhite patientsAcademic EDBlack patientsED patientsEmergency departmentCommunity cliniciansMAIN OUTCOME
2022
Missed Opportunities for HIV and Hepatitis C Screening Among Emergency Department Patients With Untreated Opioid Use Disorder
Lyons MS, Chawarski MC, Rothman R, Whiteside L, Cowan E, Richardson LD, Hawk K, Tsui JI, Schwartz RP, O’Connor P, D’Onofrio G, Fiellin DA, Edelman EJ. Missed Opportunities for HIV and Hepatitis C Screening Among Emergency Department Patients With Untreated Opioid Use Disorder. Journal Of Addiction Medicine 2022, 17: 210-214. PMID: 36170184, PMCID: PMC10023471, DOI: 10.1097/adm.0000000000001074.Peer-Reviewed Original ResearchConceptsUntreated opioid use disorderOpioid use disorderRecent injection drug useEmergency department HIVInjection drug useHCV screeningED patientsUse disordersEnrollment periodDrug useHepatitis C screeningStructured screening programmeUnknown HCV statusUnknown HIV statusHigh-risk cohortMedical care providersHCV statusC screeningHepatitis CED visitsAcademic EDHIV statusEmergency departmentCohort 2Cohort 1Perspectives About Emergency Department Care Encounters Among Adults With Opioid Use Disorder
Hawk K, McCormack R, Edelman EJ, Coupet E, Toledo N, Gauthier P, Rotrosen J, Chawarski M, Martel S, Owens P, Pantalon MV, O’Connor P, Whiteside LK, Cowan E, Richardson LD, Lyons MS, Rothman R, Marsch L, Fiellin DA, D’Onofrio G. Perspectives About Emergency Department Care Encounters Among Adults With Opioid Use Disorder. JAMA Network Open 2022, 5: e2144955. PMID: 35076700, PMCID: PMC8790663, DOI: 10.1001/jamanetworkopen.2021.44955.Peer-Reviewed Original ResearchConceptsUntreated opioid use disorderOpioid use disorderEmergency departmentED visitsOUD treatmentUse disordersPublic safety-net hospitalRural critical access hospitalsEmergency department careSafety-net hospitalUrban academic centerLife-saving treatmentCritical access hospitalsImplementation science frameworkPatient factorsTreatment initiationED careUS patientsStaff trainingDemand treatmentPatient readinessNet hospitalPatient's perspectivePromoting ActionImproved care
2021
Legal challenges in providing treatment for people who use drugs (PWUDs) in Malaysia
Vicknasingam B, Salleh N, Ramadah R, Singh D, Kamarulzaman A, Chawarski MC. Legal challenges in providing treatment for people who use drugs (PWUDs) in Malaysia. International Journal Of Drug Policy 2021, 97: 103311. PMID: 34111680, PMCID: PMC8585679, DOI: 10.1016/j.drugpo.2021.103311.Peer-Reviewed Original ResearchA 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 ResearchConceptsOpioid 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 patientsBehavioral counseling and abstinence‐contingent take‐home buprenorphine in general practitioners’ offices in Malaysia: a randomized, open‐label clinical trial
Schottenfeld RS, Chawarski M, Mazlan M. Behavioral counseling and abstinence‐contingent take‐home buprenorphine in general practitioners’ offices in Malaysia: a randomized, open‐label clinical trial. Addiction 2021, 116: 2135-2149. PMID: 33404150, DOI: 10.1111/add.15399.Peer-Reviewed Original ResearchConceptsOpioid-negative urine testsBuprenorphine-naloxone treatmentBehavioral counselingPhysician managementBehavioral interventionsUrine testsClinical trialsOpen-label clinical trialTake-home dosesOpioid-dependent patientsWeeks of treatmentOpioid use disorderPrimary care physiciansOpioid-dependent individualsHIV risk behaviorsGeneral practitioner's officeBuprenorphine-naloxoneOpioid usePrimary outcomeCare physiciansTreatment outcomesStudy interventionTreatment accessTreatment groupsUse disorders
2020
Emergency department patients with untreated opioid use disorder: A comparison of those seeking versus not seeking referral to substance use treatment
Coupet E, D’Onofrio G, Chawarski M, Edelman E, O’Connor P, Owens P, Martel S, Fiellin DA, Cowan E, Richardson L, Huntley K, Whiteside LK, Lyons MS, Rothman RE, Pantalon M, Hawk K. Emergency department patients with untreated opioid use disorder: A comparison of those seeking versus not seeking referral to substance use treatment. Drug And Alcohol Dependence 2020, 219: 108428. PMID: 33307301, PMCID: PMC8110210, DOI: 10.1016/j.drugalcdep.2020.108428.Peer-Reviewed Original ResearchConceptsUntreated opioid use disorderOpioid use disorderEmergency department patientsDepartment patientsUse disordersTenth Revision diagnosis codesSevere opioid use disorderConclusions Most patientsInjection-related infectionsRevision diagnosis codesHealth insurance statusSubstance use treatmentCross-sectional analysisOpioid withdrawalClinical characteristicsED visitsMost patientsTreatment initiationUrine toxicologyClinical correlatesDiagnosis codesInsurance statusUnivariate analysisBackground LittleInternational ClassificationUse of Amphetamine-Type Stimulants Among Emergency Department Patients With Untreated Opioid Use Disorder
Chawarski MC, Hawk K, Edelman EJ, O'Connor P, Owens P, Martel S, Coupet E, Whiteside L, Tsui JI, Rothman R, Cowan E, Richardson L, Lyons MS, Fiellin DA, D'Onofrio G. Use of Amphetamine-Type Stimulants Among Emergency Department Patients With Untreated Opioid Use Disorder. Annals Of Emergency Medicine 2020, 76: 782-787. PMID: 32782084, PMCID: PMC8048036, DOI: 10.1016/j.annemergmed.2020.06.046.Peer-Reviewed Original ResearchConceptsUntreated opioid use disorderOpioid use disorderAmphetamine-type stimulant useUse disordersStimulant useAmphetamine-type stimulantsStudy admissionEmergency departmentEmergency department patientsImplementation science studyUrine test resultsFalse discovery rate correctionSubstance use problemsHepatitis CED visitsDepartment patientsReferral protocolsED patientsUrine testsDrug injectionOverdose riskPatientsHealth factorsUnstable housingConcurrent useKratom and Pain Tolerance: A Randomized, Placebo-Controlled, Double-Blind Study.
Vicknasingam B, Chooi WT, Rahim AA, Ramachandram D, Singh D, Ramanathan S, Yusof NSM, Zainal H, Murugaiyah V, Gueorguieva R, Mansor SM, Chawarski MC. Kratom and Pain Tolerance: A Randomized, Placebo-Controlled, Double-Blind Study. The Yale Journal Of Biology And Medicine 2020, 93: 229-238. PMID: 32607084, PMCID: PMC7309661.Peer-Reviewed Original ResearchConceptsDouble-blind studyPain toleranceCold pressor taskConsumption of placeboSigns of withdrawalKratom consumptionTraditional medicine useKratom ingestionPain reliefPain onsetInpatient staySafety profileMedicine useWithdrawal symptomsPlacebo drinkHand withdrawalHealth statusVital signsKratom productsSelf-reported dataRandomized sequencePlaceboKratomSignificant increaseDecoctionBarriers and Facilitators to Clinician Readiness to Provide Emergency Department–Initiated Buprenorphine
Hawk KF, D’Onofrio G, Chawarski MC, O’Connor P, Cowan E, Lyons MS, Richardson L, Rothman RE, Whiteside LK, Owens PH, Martel SH, Coupet E, Pantalon M, Curry L, Fiellin DA, Edelman EJ. Barriers and Facilitators to Clinician Readiness to Provide Emergency Department–Initiated Buprenorphine. JAMA Network Open 2020, 3: e204561. PMID: 32391893, PMCID: PMC7215257, DOI: 10.1001/jamanetworkopen.2020.4561.Peer-Reviewed Original ResearchConceptsOpioid use disorderEmergency departmentAdvanced practice cliniciansED cliniciansClinicians' readinessOngoing treatmentTreatment of OUDEmergency Department-Initiated BuprenorphineUntreated opioid use disorderDrug Addiction Treatment ActDecrease opioid useVisual analog scaleHealth Services frameworkAcademic emergency departmentMixed-methods formative evaluationQuality of careSubset of participantsBuprenorphine initiationClinician typeOpioid useED patientsAnalog scaleOngoing careDepartmental protocolPractice clinicians
2019
Implementation facilitation to promote emergency department-initiated buprenorphine for opioid use disorder: protocol for a hybrid type III effectiveness-implementation study (Project ED HEALTH)
D’Onofrio G, Edelman EJ, Hawk KF, Pantalon MV, Chawarski MC, Owens PH, Martel SH, VanVeldhuisen P, Oden N, Murphy SM, Huntley K, O’Connor P, Fiellin DA. Implementation facilitation to promote emergency department-initiated buprenorphine for opioid use disorder: protocol for a hybrid type III effectiveness-implementation study (Project ED HEALTH). Implementation Science 2019, 14: 48. PMID: 31064390, PMCID: PMC6505286, DOI: 10.1186/s13012-019-0891-5.Peer-Reviewed Original ResearchConceptsOpioid use disorderEmergency departmentImplementation facilitationCost-effectiveness analysisUse disordersPatient engagementEmergency department-initiated buprenorphineEffectiveness-implementation studyEvaluation periodOpioid agonist treatmentSoft tissue infectionsInjection drug useGeneral medical conditionsHealth Services frameworkClinical Trials NetworkAcademic emergency departmentRate of provisionIF interventionOngoing medicationED visitsTissue infectionsED patientsFacilitated referralAgonist treatmentED providers
2018
Decriminalization of drug use
Vicknasingam B, Narayanan S, Singh D, Chawarski M. Decriminalization of drug use. Current Opinion In Psychiatry 2018, 31: 300-305. PMID: 29746420, DOI: 10.1097/yco.0000000000000429.Peer-Reviewed Original ResearchAtomoxetine for amphetamine-type stimulant dependence during buprenorphine treatment: A randomized controlled trial
Schottenfeld RS, Chawarski MC, Sofuoglu M, Chooi WT, Zaharim NM, M Yasin MA, Ahmad I, Syed Jaapar SZ, Vicknasingam BK. Atomoxetine for amphetamine-type stimulant dependence during buprenorphine treatment: A randomized controlled trial. Drug And Alcohol Dependence 2018, 186: 130-137. PMID: 29573648, PMCID: PMC5911201, DOI: 10.1016/j.drugalcdep.2018.01.017.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic Uptake InhibitorsAdultAmphetamine-Related DisordersAtomoxetine HydrochlorideBehavior TherapyBuprenorphineBuprenorphine, Naloxone Drug CombinationDepressionDouble-Blind MethodHumansMaleMiddle AgedNarcotic AntagonistsOpioid-Related DisordersPilot ProjectsTreatment OutcomeYoung AdultConceptsATS use disorderPlacebo-treated participantsUse disordersAdverse eventsUrine testsPotential efficacyAmphetamine-type stimulant dependenceAmphetamine-type stimulant useSerious adverse eventsBuprenorphine/naloxoneBetween-group differencesATS dependenceClinical tolerabilityMedication discontinuationBuprenorphine treatmentPrimary outcomeOpioid dependenceClinical trialsITT sampleTreat sampleBehavioral counselingDepressive symptomsDays abstinentAtomoxetineStimulant dependence
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 disordersEmergency Department-Initiated Buprenorphine for Opioid Dependence with Continuation in Primary Care: Outcomes During and After Intervention
D’Onofrio G, Chawarski MC, O’Connor P, Pantalon MV, Busch SH, Owens PH, Hawk K, Bernstein SL, Fiellin DA. Emergency Department-Initiated Buprenorphine for Opioid Dependence with Continuation in Primary Care: Outcomes During and After Intervention. Journal Of General Internal Medicine 2017, 32: 660-666. PMID: 28194688, PMCID: PMC5442013, DOI: 10.1007/s11606-017-3993-2.Peer-Reviewed Original ResearchConceptsIllicit opioid useOpioid usePrimary careHIV riskBrief interventionAddiction treatmentBuprenorphine groupEmergency Department-Initiated BuprenorphineCohort of patientsLong-term followLong-term outcomesFormal addiction treatmentSignificant differencesMain MeasuresSelfStudy entryUrine toxicologyBuprenorphine/Opioid dependenceED interventionsUrine resultsBuprenorphineTreatment engagementDrug useReferralPatients