Symposium Program

September 18, 2026 | Virtual or in-person at UW Tower, 4333 Brooklyn Ave NE, Seattle

8:00-9:00am – Registration / Sign-in

9:00-9:15am – Opening remarks

• Susan Ferguson, PhD, Director, University of Washington Addictions, Drug & Alcohol Institute (ADAI)  
• Beatriz Carlini, PhD, MPH, Director, ADAI Cannabis Education and Research Program, University of Washington

9:15-9:40am – Cannabinoid Hyperemesis Syndrome (CHS) in Washington State: What Do We Know?

Beatriz Carlini, PhD, MPH

9:40-10:30am – Understanding CHS

• Moderator: Susan Stoner, PhD, University of Washington Addictions, Drug & Alcohol Institute
• CHS and Gut Brain Interaction
  Marieka DeVuono, PhD, Addiction Research Group, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada  
• CHS and Genetic Susceptibility
  Ethan Russo, MD, Credo Science Founder & CEO 

10:30-10:45am – Break

10:45-11:50am – CHS Prevalence and Trends

Discussant: Jason Williams, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI)

• CHS prevalence in US Emergency Departments from 2016 to 2022  
  James A. Swartz, PhD, Jane Addams College of Social Work, University of Illinois Chicago, IL 
• Emergency Department Visits for CHS Among Adolescents  
  Michael S. Toce, MD, MS, Boston Children’s Hospital, Boston, MA  
• CHS prevalence and risk factors in the U.S․ 
  Nick Glodosky, PhD, Washington State Liquor and Cannabis Board, WA

11:50am-12:15pm – How Narratives of Cannabis Shape CHS Diagnosis Contestation and Treatment Resistance

Moderator: Sharon Garrett, MPH, MA, University of Washington Addictions, Drug & Alcohol Institute (ADAI)

• Heith Copes, PhD, Department of Criminal Justice, University of Alabama at Birmingham 

12:15-1:15pm – Lunch (provided). Virtual posters will be displayed onscreen throughout lunch.

1:15-2:30pm – Presentation, Treatment, and Management of CHS in Diverse Settings

Discussant: Chris Buresh, MD, University of Washington Department of Emergency Medicine

• Emergency Departments & Hospitals 
  Kimberly Won, PhD, San Diego Skaggs School of Pharmacy and Pharmaceutical Sciences, La Jolla, CA 

• Addiction treatment settings
  Jennifer Hsu, MD, UW Valley Medical Center 

• Pediatric settings 
  Michael S. Toce, MD, MS, Boston Children’s Hospital, Boston, MA 

2:30-2:45pm – Break

2:45-3:45pm – CHS: Clinical, Behavioral, & Policy Perspectives

Moderator: Mary Hatch, PhD, University of Washington Addictions, Drug & Alcohol Institute (ADAI)

• Clinical interventions with clients with CHS symptoms
  Katherine Walukevich-Dienst, PhD, UW School of Medicine, Psychiatry & Behavioral Sciences Department, Center for the Study of Health and Risk Behaviors (CSHRB)

• Looking at motivations for using cannabis for CHS related symptoms among young adult sample
  Christine Lee, PhD, UW School of Medicine, Department of Psychiatry & Behavioral Sciences, Center for the Study of Health and Risk Behaviors (CSHRB)

• Environmental interventions do decrease cannabis concentration – revisiting recommendations to WA State Legislators  
   Sharon Garrett, MPH, MA, University of Washington Addictions, Drug & Alcohol Institute (ADAI)

3:45-4:00pm – Final Words and a Research Agenda

• Chris Buresh, MD, and Beatriz Carlini, PhD, MPH (both from UW)

Symposium Scientific Committee Members (alphabetic order):
Chris Buresch, MD; Beatriz Carlini, PhD, MPH and Sharon Garrett, MSc, MPH.
The ADAI Symposium is funded by the University of Washington’s Cannabis Dedicated Account.