Tonya J. Campbell
St. Michael's Hospital
Toronto, ON, Canada
Toronto, ON, Canada
Last Updated: 09/26/2026
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Found 30 publications
Measuring the Impact of the Substitution of Innovator Biologics With Biosimilars on Uptake and Costs Among Ontario Public Drug Benefit Recipients.
Journal: Clinical pharmacology and therapeutics
Published: October 17, 2025
Retention in Opioid Agonist Therapy Among First Nations People.
Journal: JAMA network open
Published: June 30, 2025
Changing trends in safer opioid supply uptake, dose and hydromorphone volume in Ontario: A population-based cross-sectional study.
Journal: The International journal on drug policy
Published: March 13, 2025
Trends in the Cost and Utilization of Publicly Reimbursed Cancer Medications Dispensed as Take-Home Treatments from 2017-2021.
Journal: Current oncology (Toronto, Ont.)
Published: March 12, 2025
Pathways of care following opioid overdose among people with opioid use disorder: A multilevel cohort study.
Journal: Drug and alcohol dependence
Published: December 09, 2024
Trends in the dispensing of opioids for pain and concurrent benzodiazepine use among First Nations People in Ontario, Canada, from 2013 to 2021.
Journal: Canadian journal of public health = Revue canadienne de sante publique
Published: August 16, 2024
Impact of COVID-19 on psychoactive medication use among individuals with intellectual and developmental disabilities in Ontario, Canada: A repeated cross-sectional study.
Journal: Disability and health journal
Published: February 16, 2024
Initiation of opioid agonist therapy after hospital visits for opioid poisonings in Ontario.
Journal: CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne
Published: October 11, 2023
Varying circumstances surrounding opioid toxicity deaths across ethno-racial groups in Ontario, Canada: a population-based descriptive cross-sectional study.
Journal: BMJ public health
Published: August 08, 2023
Characteristics, treatment patterns and retention with extended-release subcutaneous buprenorphine for opioid use disorder: A population-based cohort study in Ontario, Canada.
Journal: Drug and alcohol dependence
Published: July 05, 2023
Assessing the impact of the slow-release oral morphine drug shortages in Ontario, Canada: A population-based time series analysis.
Journal: The International journal on drug policy
Published: March 27, 2023
The epidemiology of benzodiazepine-related toxicity in Ontario, Canada: a population-based descriptive study.
Journal: Canadian journal of public health = Revue canadienne de sante publique
Published: October 07, 2022
Last Updated: 09/26/2026