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.
Publications
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].
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.
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.
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].
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].
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.
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;
Characterizing safer supply prescribing of immediate release hydromorphone for individuals with opioid use disorder across Ontario, Canada
Young S, Koll G, McCormack D, Campbell T, Leece P, Strike C, Srivastava A, Antoniou T, Bayoumi AM, Gomes T. Int J Drug Policy. 2022; 102:103601. Epub 2022 Feb 3.
Cohort study of team-based care among marginalized people who use drugs in Ottawa
Kendall CE, Boucher LM, Donelle J, Martin A, Marshall Z, Boyd R, Oickle P, Diliso N, Pineau D, Renaud B, LeBlanc S, Tyndall M, Bayoumi AM. Can Fam Physician. 2022; 8(2):117-27. Epub 2022 Feb 1.