Marek Chawarski, PhD
Professor of Psychiatry and Emergency MedicineCards
About
Research
Overview
Medical Research Interests
Amphetamine-Related Disorders; China; Indonesia; Iran; Malaysia; Opioid-Related Disorders; Psychiatry; Risk-Taking; Russia; Substance Abuse Detection; Taiwan
Publications
2025
Unintended Prolonged Opioid Use: Protocol for a Case-Controlled Trial.
Hooten W, Erickson D, Chawarski M, Scholz N, Waljee J, Brummett C, Jeffery M. Unintended Prolonged Opioid Use: Protocol for a Case-Controlled Trial. JMIR Research Protocols 2025, 14: e72032. PMID: 39992690, DOI: 10.2196/72032.Peer-Reviewed Original ResearchConceptsINTERNATIONAL REGISTERED REPORT IDENTIFIERElectronic health record systemsPatient recruitmentPractice environment characteristicsPrescribing opioids to patientsOpioid prescriptionsHealth record systemsPatient characteristicsContinuation of opioid therapyIndividual practice environmentsOpioids to patientsOpioid-naive adultsOpioid-naive patientsProlonged opioid useSelf-report surveyNational administrative claims databaseMisuse of prescription opioidsCOVID-19 pandemicPublic health problemClinician recruitmentCase-control trialShort-term useAdministrative claims databaseMayo Clinic sitesCTSA programT57 Integrating MOUD in Non-Medical Community Organizations: Better Together MOUD (BT-MOUD)
Scott D, Schottenfeld R, Clover E, Curry K, Waites S, Cain G, Patton M, Pattrick M, Jordan D, Bulluck K, Chawarski M. T57 Integrating MOUD in Non-Medical Community Organizations: Better Together MOUD (BT-MOUD). Drug And Alcohol Dependence 2025, 267: 111825. DOI: 10.1016/j.drugalcdep.2024.111825.Peer-Reviewed Original ResearchBarriers and Facilitators for Engaging and Retaining Black Persons in Medications for Opioid Use Disorder (MOUD)
Schottenfeld R, Scott D, Medlock M, Waites S, Brown I, Borba C, Patton M, Pattrick M, Cain G, Williams C, Magidson J, Chawarski M. Barriers and Facilitators for Engaging and Retaining Black Persons in Medications for Opioid Use Disorder (MOUD). Drug And Alcohol Dependence 2025, 267: 112232. DOI: 10.1016/j.drugalcdep.2024.112232.Peer-Reviewed Original ResearchM80 Temporal Trends in NGO-based Supportive Services and HIV Rates Among PWID in Malaysia Between 2012 and 2022
Kasinather V, Khan S, Abdullah M, Yusoff N, Jalil J, Schottenfeld R, Chawarski M. M80 Temporal Trends in NGO-based Supportive Services and HIV Rates Among PWID in Malaysia Between 2012 and 2022. Drug And Alcohol Dependence 2025, 267: 111674. DOI: 10.1016/j.drugalcdep.2024.111674.Peer-Reviewed Original Research
2024
Cost-Effectiveness of Implementation Facilitation to Promote Emergency Department-Initiated Buprenorphine for Opioid Use Disorder
Lu T, Ryan D, Cadet T, Chawarski M, Coupet E, Edelman E, Hawk K, Huntley K, Jalali A, O'Connor P, Owens P, Martel S, Fiellin D, D'Onofrio G, Murphy S. Cost-Effectiveness of Implementation Facilitation to Promote Emergency Department-Initiated Buprenorphine for Opioid Use Disorder. Annals Of Emergency Medicine 2024, 85: 205-213. PMID: 39570250, PMCID: PMC11845297, DOI: 10.1016/j.annemergmed.2024.10.001.Peer-Reviewed Original ResearchHealth care sector perspectiveImplementation facilitatorsOpioid use disorder careIncremental cost-effectiveness ratioCost-effectiveness ratioHealth care sector costsEducational strategiesImplementation facilitation strategyCost-effectiveness acceptability curvesLikelihood of cost-effectivenessCost-effectiveOpioid use disorderQuality-adjusted life yearsUse disorderPatient engagementAcademic EDED visitsAcceptability curvesStandard educationEmergency departmentLife yearsFacilitation strategiesMeasures of effectivenessHealthBuprenorphine403EMF Barriers and Facilitators to Addiction Treatment Access From the Emergency Department Among Black Individuals With Opioid Use Disorder
Coupet E, Chawarski M, Hercules K, Williams J, Murphy A, Owens P, D'Onofrio G. 403EMF Barriers and Facilitators to Addiction Treatment Access From the Emergency Department Among Black Individuals With Opioid Use Disorder. Annals Of Emergency Medicine 2024, 84: s182-s183. DOI: 10.1016/j.annemergmed.2024.08.403.Peer-Reviewed Original ResearchM162 Phytochemical Composition of Fresh Kratom Leaves Collected in the Northern Region of Malaysia
Karunakaran T, Kasinather V, Chawarski M. M162 Phytochemical Composition of Fresh Kratom Leaves Collected in the Northern Region of Malaysia. Drug And Alcohol Dependence 2024, 260: 110442. DOI: 10.1016/j.drugalcdep.2023.110442.Peer-Reviewed Original ResearchW81 Implementation Facilitation Improves Clinician Readiness to Provide Emergency Department-Initiated Buprenorphine in Four Urban Academic Centers
Hawk K, D'Onofrio G, Chawarski M, Coupet E, Cowan E, Curry L, Freiermurth C, Lyons M, Murphy A, O'Connor P, Richardson L, Rothman R, Whiteside L, Williams J, Fiellin D, Edelman E. W81 Implementation Facilitation Improves Clinician Readiness to Provide Emergency Department-Initiated Buprenorphine in Four Urban Academic Centers. Drug And Alcohol Dependence 2024, 260: 110699. DOI: 10.1016/j.drugalcdep.2023.110699.Peer-Reviewed Original ResearchT45 Changing Characteristics of HIV/AIDS Epidemic in Malaysia
Kasinather V, Ramadah R, Singh D, Chooi W, Zaharim N, Chawarski M. T45 Changing Characteristics of HIV/AIDS Epidemic in Malaysia. Drug And Alcohol Dependence 2024, 260: 110494. DOI: 10.1016/j.drugalcdep.2023.110494.Peer-Reviewed Original ResearchPhytochemical analysis of water and ethanol liquid extracts prepared using freshly harvested leaves of Mitragyna speciosa (Korth.)
Karunakaran T, Vicknasingam B, Chawarski M. Phytochemical analysis of water and ethanol liquid extracts prepared using freshly harvested leaves of Mitragyna speciosa (Korth.). Natural Product Research 2024, ahead-of-print: 1-8. PMID: 38842220, DOI: 10.1080/14786419.2024.2362428.Peer-Reviewed Original ResearchFreshly harvested leavesPhytochemical compositionO-coumaric acidDried leaf materialLiquid extractionSpectrum of phytochemicalsKratom leavesBioactive phenolicsChlorogenic acidPhytochemical analysisWater extractLeaf materialLeavesLCMS/MS analysisAnalysis of waterMass spectraFreshlyExtractionLeaves of Mitragyna speciosaSpectrometric methodOxidized derivativesRutinQuercitrinAcidPhytochemicals
Academic Achievements & Community Involvement
News
News
- June 06, 2024Source: Natural Product Research
Phytochemical Analysis of Water and Ethanol Liquid Extracts Prepared Using Freshly Harvested Leaves of Mitragyna Speciosa (Korth.)
- December 13, 2022
Department of Emergency Medicine Congratulates Four Faculty on Recent Promotions
- January 30, 2022Source: Connecticut Health I-Team
Calls To Rethink The War On Opioids
- December 19, 2019Source: Health Affairs
For Hospitals, A Blueprint For Fighting The Opioid Epidemic
Get In Touch
Contacts
Academic Office Number
Mailing Address
Psychiatry
CMHC/SAC, 34 Park Street
New Haven, CT 06519
United States