Addictions, Drug & Alcohol Institute


ADAI Symposium: High-THC Cannabis in Legal Regulated Markets

September 16, 2022 | UW Tower, 4333 Brooklyn Ave NE, Seattle

8:30-9:00amRegistration / Sign-in

9:00-9:15am – Opening remarks

9:15-10:15am – Market Trends in High Potency Cannabis Products

Keynote speaker: Jonathan Caulkins, PhD
Professor of Operations Research and Public Policy
Carnegie Mellon University’s Heinz College


10:30am-12:30pmShort- and Long-Term Risks of High THC Products

Introductions: State Rep. Lauren Davis (D-Shoreline)
Moderator: Tracy Klein, PhD, ARNP, FAANP, FRE, FAAN (Assistant Director, Center for Cannabis Policy, Research and Outreach, Washington State University)

  • High THC Products: Public Health Outcomes in Legal Markets
    Julia Dilley, PhD (University of Washington)
  • Acute Effects of High Potency Cannabis Flower and Concentrates on Cognition
    Carrie Cuttler, PhD (Washington State University)
  • Cannabis Use by Young Adults: Trends and Considerations
    Jason Kilmer, PhD (University of Washington)
  • Cannabis Use and Psychiatric Comorbidity: Epidemiology and Association with High-Potency Cannabis Products
    Deborah Hasin, PhD (Columbia University)
  • Recommendations for Regulating High Potency Cannabis in Recreational Markets and Why*
    Rosalie Pacula, PhD (University of Southern California)

12:30-1:30pmLunch (provided). Time for attendees to meet informally over lunch.

1:30-2:30pmHigh THC Cannabis Products: Trends in Consumer Use, Adverse Outcomes, and Implications for Policy in Legal Cannabis Markets

Keynote speaker: David Hammond, PhD*
Professor, University Research Chair
School of Public Health Sciences, University of Waterloo

2:30-2:50pmComments from Public Officials


3:05-4:50pmExploring Solutions: Addressing the Risks of High THC Cannabis Products

Introductions: Jim Vollendroff, MPA (Washington Liquor and Cannabis Board)
Moderator: Marina Epstein, PhD (University of Washington)

  • Do Cannabis Users Reduce THC Doses When Using More Potent Cannabis Products?*
    Wayne Hall, PhD (University of Queensland, Australia)
  • Regulatory Considerations and Challenges for Cannabis Products with High THC Concentration
    Gillian Schauer, PhD, MPH (University of Washington)
  • Risk of High Concentration THC for Young Adults with Psychosis: Cannabis Intervention Implications
    Denise Walker, PhD (University of Washington)
  • How to Address High THC Cannabis Products’ Risks and Harms: Perspectives of Washington Stakeholders 
    Beatriz Carlini, PhD, MPH (University of Washington)

 4:50-5:00pmClosing remarks (Dr. Carlini)

* denotes virtual presentation