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Showing 1-10 of 35

Journal Article

23/04/2026

Effect of the COVID-19 pandemic on initiations of opioid agonist therapy in Ontario: a population-based interrupted time series analysis

Young S, Raboud J, Dodd Z, Barnett-Tapia C, Gomes T, Fairbairn N, Bayoumi AM. Int J Drug Policy. 2026; 153: 105275. Epub 2026 Apr 23.

Journal Article

17/11/2025

Initiation of opioid agonist treatment following hospital-treated opioid toxicities and the risk of repeat events in Ontario, Canada: a cohort study using inverse probability of treatment weights

Ledlie S, Tadrous M, Bayoumi AM, McCormack D, Kent JT, Besharah J, Munro C, Gomes T. BMJ Public Health. 2025; 3(2): e002779.

Journal Article

22/04/2025

Comparing the effects of prescribed safer opioid supply and methadone in Ontario, Canada: a population-based matched cohort study

Gomes T, McCormack D, Kolla G, Young S, Bayoumi A, Smoke A, Li P, Antoniou T. Lancet Public Health. 2025; Apr 22.

Journal Article

18/03/2025

Pathways of care following opioid overdose among people with opioid use disorder: a multilevel cohort study

Ledlie S, Tadrous M, Bayoumi AM, McCormack D, Besharah J, Munro C, Campbell T, Gomes T. Drug Alcohol Depend. 2025; Mar 8 [Epub ahead of print].

Journal Article

04/12/2024

The association of combinations of social factors and SARs-CoV-2 infection: a retrospective population-based cohort study in Ontario, 2020–2021

Persaud S, Fitzgerald M, Hawken S, Tanuseputro P, Boucher L, Petrcich W, Wellman M, Webber C, Shoemaker E, Ducharme R, Dahrouge S, Myran D, Bayoumi AM, Wanigaratne S, Bloch G, Ponka D, Smith BT, Lofters A, Zygmunt A, Kehoe MacLeod K, Turcotte LA, Sander B, Howard M, Funnell S, Rayner J, Kitagawa K, Ibrahim S, Kendall CE. Dialogues Health. 2024; (5)100197.

Journal Article

29/10/2024

The association of combinations of social factors and SARs-CoV-2 infection: a retrospective population-based cohort study in Ontario, 2020-2021

Persaud S, Fitzgerald M, Hawken S, Tanuseputro P, Boucher L, Petrcich W, Wellman M, Webber C, Shoemaker E, Ducharme R, Dahrouge S, Myran D, Bayoumi AM, Wanigaratne S, Bloch G, Ponka D, Smith BT, Lofters A, Zygmunt A, MacLeod KK, Turcotte LA, Sander B, Howard M, Funnell S, Rayner J, Kitagawa K, Ibrahim S, Kendall CE. Dialogues Health. 2024; 5:100197.

Journal Article

23/03/2024

Trends in opioid toxicities among people with and without opioid use disorder and the impact of the COVID-19 pandemic in Ontario, Canada: a population-based analysis

Ledlie S, Tadrous M, Bayoumi AM, McCormack D, Cheng C, Besharah J, Munro C, Gomes T. Int J Drug Policy. 2024; Mar 23 [Epub ahead of print].

Journal Article

22/03/2024

Validation of case-ascertainment algorithms using health administrative data to identify people who inject drugs in Ontario, Canada

Greenwald ZR, Werb D, Feld JJ, Austin PC, Fridman D, Bayoumi AM, Gomes T, Kendall CE, Lapointe-Shaw L, Scheim AI, Bartlett SR, Benchimol EI, Bouck Z, Boucher LM, Greenaway C, Janjua NZ, Leece P, Wong WWL, Sander B, Kwong JC. J Clin Epidemiol. 2024; Mar 22 [Epub ahead of print].

Journal Article

19/12/2023

Initiations of safer supply hydromorphone increased during the COVID-19 pandemic in Ontario: an interrupted time series analysis

Young S, Gomes T, Kolla G, McCormack D, Dodd Z, Raboud J, Bayoumi AM. PLoS One. 2023; 18(12):e0295145. Epub 2023 Dec 19.

Journal Article

18/12/2023

Initiation of opioid agonist therapy after hospital visits for opioid poisonings in Ontario

Hu T, McCormack D, Juurlink DN, Campbell TJ, Bayoumi AM, Leece P, Kent JT, Gomes T. CMAJ. 2023; 195(49):E1709-17. Epub 2023 Dec 18.

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Effect of the COVID-19 pandemic on initiations of opioid agonist therapy in Ontario: a population-based interrupted time series analysis

Initiation of opioid agonist treatment following hospital-treated opioid toxicities and the risk of repeat events in Ontario, Canada: a cohort study using inverse probability of treatment weights

Comparing the effects of prescribed safer opioid supply and methadone in Ontario, Canada: a population-based matched cohort study

Pathways of care following opioid overdose among people with opioid use disorder: a multilevel cohort study

The association of combinations of social factors and SARs-CoV-2 infection: a retrospective population-based cohort study in Ontario, 2020–2021

The association of combinations of social factors and SARs-CoV-2 infection: a retrospective population-based cohort study in Ontario, 2020-2021

Trends in opioid toxicities among people with and without opioid use disorder and the impact of the COVID-19 pandemic in Ontario, Canada: a population-based analysis

Validation of case-ascertainment algorithms using health administrative data to identify people who inject drugs in Ontario, Canada

Initiations of safer supply hydromorphone increased during the COVID-19 pandemic in Ontario: an interrupted time series analysis

Initiation of opioid agonist therapy after hospital visits for opioid poisonings in Ontario