Addictions, Drug & Alcohol Institute


ADAI Symposium 2024 Cannabis Schizophrenia and Other Psychotic Disorders

September 19, 2024 | Virtual & in-person at UW Tower, Seattle


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


9:00-9:15amOpening Remarks


9:15-10:15amCannabis use and psychosis: Past, present, and future

Moderators: Kristen Haley, BA & Beatriz Carlini, PhD, MPH

Keynote Speaker: Marta Di Forti, MD, PhD*
King’s College of London, United Kingdom




10:30-12:30pmReviewing the evidence: Cannabis use, schizophrenia, and psychotic disorders

Moderators: Sarah Okey, PhD & Sharon Garrett, MPH, MA

  • Cannabis-induced psychosis and schizophrenia following cannabis legalization and commercialization in Canada
    Daniel Myran, MD, MPH* (Ottawa Hospital Research Institute, Canada)
  • Understanding causality between cannabis potency and psychotic experiences through longitudinal cohorts
    Lindsey A. Hines, PhD* (University of Bath, UK)
  • Gone to pot? The complex relationships between cannabis, cannabinoids and psychosis
    Deepak Cyril D’Souza, MD* (Yale University)
  • Panel Q&A


12:30-1:30pmLunch (provided)


1:30-3:30pmPromising clinical interventions to reduce cannabis use among at-risk consumers

Moderators: Harrison Fontaine, PhD & Lyndsey Kellum, MEd

  • CannTalk: A brief intervention for discussing cannabis with clients experiencing psychosis.
    Denise Walker, PhD (University of Washington)
  • Recent advances in novel approaches to reduce cannabis harms among young adults
    Jason Kilmer, PhD and Katherine Walukevich-Dienst, PhD (University of Washington)
  • Cannabis interventions to reduce consumption and risk among young adults
    Erin Bonar, PhD* (University of Michigan) 
  • Panel Q&A




3:30-4:15pmCannabis harm reduction policies – minimizing the role of cannabis in schizophrenia onset and progression.

Moderators: Marie Gray, MS & Sharon Garrett, MPH, MA

Beatriz Carlini, PhD, MPH
University of Washington


4:15-4:30pmClosing remarks and final discussion

* denotes virtual presentation

CERP logo