Substance use and addiction
On this page:
The Ottawa Hospital is conducting cutting-edge research to improve our understanding of substance abuse and addiction and develop better treatments. This page includes selected news stories about our research on substance abuse and addiction, links to researchers working in this area and related resources. Learn more below.
Research & News
John Graydon Simmons
Clinician Investigator, Acute Care ResearchPublications
The following research publications from The Ottawa Hospital are pulled from PubMed, with publication date of 2020 or later. Note that PubMed is hosted by the U.S. National Library of Medicine and is only available in English.
Relationship Between Palliative Care and Location of Death Among People With Opioid Use Disorder: A Retrospective Cohort Study.
2025-11-12 Go to publicationMental health service use and suicide risk after a dementia diagnosis: a population-based retrospective matched cohort study.
2025-11-01 Go to publicationUnderstanding Canadian experiences of suicidality during the COVID-19 pandemic: protocol of a pan-Canadian qualitative study.
2025-09-26 Go to publicationRole of ketamine in the treatment of substance use disorders: A systematic review.
2025-08-01 Go to publicationEfficacy and safety of psilocybin for the treatment of substance use disorders: A systematic review.
2025-06-01 Go to publicationResources
Mental health research at The Ottawa Hospital
Search for clinical trials at The Ottawa Hospital related to this disease or condition.