Marek Chawarski, PhD
Professor of Psychiatry and Emergency MedicineDownloadHi-Res Photo
Cards
Appointments
Emergency Medicine
Fully Joint
Psychiatry
Fully Joint
Additional Titles
Affiliated Faculty, Yale Institute for Global Health
Contact Info
Psychiatry
CMHC/SAC, 34 Park Street
New Haven, CT 06519
United States
Appointments
Emergency Medicine
Fully Joint
Psychiatry
Fully Joint
Additional Titles
Affiliated Faculty, Yale Institute for Global Health
Contact Info
Psychiatry
CMHC/SAC, 34 Park Street
New Haven, CT 06519
United States
Appointments
Emergency Medicine
Fully Joint
Psychiatry
Fully Joint
Additional Titles
Affiliated Faculty, Yale Institute for Global Health
Contact Info
Psychiatry
CMHC/SAC, 34 Park Street
New Haven, CT 06519
United States
About
Copy Link
Titles
Professor of Psychiatry and Emergency Medicine
Affiliated Faculty, Yale Institute for Global Health
Appointments
Emergency Medicine
ProfessorFully JointPsychiatry
ProfessorFully Joint
Other Departments & Organizations
Education & Training
- PhD
- Yale University (1995)
- MPhil
- Yale University, Psychology (1993)
- MS
- Yale University, Psychology/Cognitive (1992)
- MA
- Jagiellonian University, Psychology/Clinical, Cognitive (1987)
Research
Copy Link
Overview
Medical Research Interests
Amphetamine-Related Disorders; China; Indonesia; Iran; Malaysia; Opioid-Related Disorders; Psychiatry; Risk-Taking; Russia; Substance Abuse Detection; Taiwan
ORCID
0000-0001-6254-3092
Research at a Glance
Yale Co-Authors
Frequent collaborators of Marek Chawarski's published research.
Publications Timeline
A big-picture view of Marek Chawarski's research output by year.
Research Interests
Research topics Marek Chawarski is interested in exploring.
Patrick G. O'Connor, MD, MPH, MACP
Gail D'Onofrio, MD, MS
David Fiellin, MD
Kathryn Hawk, MD, MHS
Edouard Coupet II, MD, MS
Declan Barry, PhD
100Publications
4,942Citations
Opioid-Related Disorders
Malaysia
Risk-Taking
Substance Abuse Detection
China
Amphetamine-Related Disorders
Publications
2026
Emergency Department-initiated standard versus high-dose buprenorphine induction (ENVISION): a randomised clinical trial protocol
Hawk K, Herring A, Chawarski M, Anderson E, Baumann M, Dorey A, Holtyn A, Jones C, Martel S, Owens P, Kmiecik K, Strout T, Taillac P, Lofwall M, Walsh S, D’Onofrio G. Emergency Department-initiated standard versus high-dose buprenorphine induction (ENVISION): a randomised clinical trial protocol. BMJ Open 2026, 16: e113762. PMID: 42236100, PMCID: PMC13239514, DOI: 10.1136/bmjopen-2025-113762.Peer-Reviewed Original ResearchMeSH KeywordsAnalgesics, OpioidBuprenorphineDouble-Blind MethodEmergency Room VisitsEmergency Service, HospitalHumansMulticenter Studies as TopicNarcotic AntagonistsOpiate Substitution TreatmentOpioid-Related DisordersPatient Acceptance of Health CareRandomized Controlled Trials as TopicResearch DesignTreatment OutcomeUnintended prolonged opioid use: a prospective case–control study
Hooten W, Erickson D, Chawarski M, Scholz N, Waljee J, Brummett C, Jeffery M. Unintended prolonged opioid use: a prospective case–control study. Pain 2026, 167: e180-e190. PMID: 41800757, DOI: 10.1097/j.pain.0000000000003945.Peer-Reviewed Original ResearchCitationsAltmetricExploring Preferences in Emergency Department Coordination of Opioid Use Disorder Treatment by Race and Ethnicity
Coupet E, Chawarski M, Hercules K, Williams J, Ward A, Owens P, Fiellin D, Hawk K, Martel S, D'Onofrio G. Exploring Preferences in Emergency Department Coordination of Opioid Use Disorder Treatment by Race and Ethnicity. Academic Emergency Medicine 2026, 33: e70253. PMID: 41735229, PMCID: PMC12932257, DOI: 10.1111/acem.70253.Peer-Reviewed Original ResearchChapter 2 The scientific evolution of kratom: a historical overview
Karunakaran T, Marimuthu Y, Vicknasingam B, Chawarski M. Chapter 2 The scientific evolution of kratom: a historical overview. 2026, 13-20. DOI: 10.1016/b978-0-443-27412-1.00001-8.Peer-Reviewed Original ResearchCitations
2025
Use of nalmefene and behavioral counseling in patients with combined opioid and alcohol dependence
Vetrova M, Владиславовна В, Blokhina E, Андреевна Б, Trachuk P, Александрович Т, Toussova O, Викторовна Т, Bushara N, Михайловна Б, Palatkin V, Яковлевич П, Yaroslavtseva T, Сергеевна Я, Belozertseva I, Владимировна Б, Dravolina O, Андреевна Д, Chawarski M, Марек Ч, Krupitsky E, Михайлович К. Use of nalmefene and behavioral counseling in patients with combined opioid and alcohol dependence. Neurology Bulletin 2025, LVII: 380-391. DOI: 10.17816/nb685805.Peer-Reviewed Original ResearchRacial and Ethnic Factors and Opioid Use Disorder Treatment After an Emergency Department Visit
Coupet E, Chawarski M, Hercules K, Williams J, Ward A, Owens P, Fiellin D, Hawk K, Martel S, D’Onofrio G. Racial and Ethnic Factors and Opioid Use Disorder Treatment After an Emergency Department Visit. JAMA Network Open 2025, 8: e2520661. PMID: 40658416, PMCID: PMC12260995, DOI: 10.1001/jamanetworkopen.2025.20661.Peer-Reviewed Original ResearchCitationsAltmetricUnintended 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, PMCID: PMC11976181, DOI: 10.2196/72032.Peer-Reviewed Original ResearchCitationsAltmetric
2024
Cost-Effectiveness of Implementation Facilitation to Promote Emergency Department-Initiated Buprenorphine for Opioid Use Disorder
Lu T, Cadet T, Ryan D, 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 ResearchCitationsAltmetricPhytochemical 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, 39: 4480-4487. PMID: 38842220, DOI: 10.1080/14786419.2024.2362428.Peer-Reviewed Original ResearchCitationsAltmetricResearch 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 Reviews, Practice Guidelines, Standards, and Consensus StatementsCitationsAltmetricMeSH Keywords
Academic Achievements & Community Involvement
Copy Link
Activities
activity Substance abuse treatment
11/01/2010 - 10/31/2017ResearchDetailsWuhan, Hubei, ChinaAbstract/SynopsisA study entitled "Behavioral Drug and HIV Risk Reduction Counseling with MMT in China" will provide critical data regarding the efficacy for reducing drug-and sex-related HIV transmission risk behaviors, as well as improving MMT outcomes and patient functioning of two transportable counseling models, behavioral drug and HIV risk reduction counseling (BDRC) and educational counseling (EC) as compared with the current standard of care model in MMT in China.
activity Heroin Dependence
01/01/2008 - 10/31/2017ResearchDetailsTehran, Tehran Province, Iran; Muar, Johor, MalaysiaAbstract/SynopsisProfessor Schottenfeld has established research projects in Malaysia and Iran which are aimed at evaluating treatments for heroin or other opiate dependence and are comparing the efficacy of maintenance treatment with buprenorphine or naltrexone.
activity Substance abuse treatment
01/01/2010 - 06/30/2017ResearchDetailsSaint Petersburg, St.-Petersburg, RussiaAbstract/SynopsisA study entitled "Naltrexone and Behavioral Drug and HIV Risk Reduction Counseling in Russia" will examine the effects of combining behavioral therapy with naltrexone pharmacotherapy for the treatment of opiate dependence and reduction of HIV risks in opiate dependent individuals in St. Petersburg, Russia.
activity Prevention of HIV Infection among Opiate Dependent Injectors - Phase III Randomized Controlled Trial to Evaluate the Efficacy of buprenorphine/naloxone drug treatment in p
01/01/2008 - 09/30/2015ResearchDetailsBeijing, China; Chiang Mai, จ.ร้อยเอ็ด, Thailand; Nanning, Guangxi, China +1 moreAbstract/SynopsisThe purpose of the study is to determine the efficacy of a drug treatment intervention (buprenorphine/naloxone) in the prevention of HIV transmission among opiate dependent injectors by reducing drug use and associated risk behaviors. URL: http://www.hptn.org/research_studies/hptn058.asp
activity Teaching and research collaboration
09/01/2010 - PresentResearchDetailsTaipei, Taiwan
Honors
honor Honorary Guest Professorship
09/01/2015International AwardCentral South University, Changsha, ChinaDetailsChinahonor International Program Award of Excellence in International Collaborative Research
06/14/2014National AwardNational Institute on Drug Abuse (NIDA)DetailsUnited Stateshonor Honorary Guest Professorship
10/10/2008International AwardCenter for Disease Prevention and Control, Wuhan, ChinaDetailsChina
News
Copy Link
News
- July 16, 2025
Improving Opioid Use Disorder Treatment After Emergency Department Visits
- 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
Get In Touch
Copy Link
Contacts
Academic Office Number
Mailing Address
Psychiatry
CMHC/SAC, 34 Park Street
New Haven, CT 06519
United States