Initiation and dose of methadone monotherapy vs combination therapy, 2015 to 2023
Garg R, Luo J, Bozinoff N, Sproule B, Antoniou T, Wyman J, Munro C, Gomes T. JAMA Netw Open. 2025; 8(8):e2527290.
Publications
Circumstances surrounding opioid toxicity deaths within shelters in Ontario, Canada, before and during the COVID-19 pandemic: a population-based descriptive cross-sectional study
Hamzat B, Leece P, McCormack D, Holton A, Dodd Z, Firestone M, Smoke A, Wolfson-Stofko B, Smuts H, Sereda J, Watford J, Watts T, Gomes T. BMJ Public Health. 2025; 3(2):e002394.
Assessing the impact of the introduction of generic methadone to the Ontario public drug formulary
Hamzat B, Wang T, Garg R, Iacono A, Tadrous M, Wu F, Wyman J, Dodd Z, Pinkerton S, Smoke A, Gomes T. Int J Drug Policy. 2025; 143:104918. Epub 2025 Jul 10.
Retention in opioid agonist therapy among First Nations people in Ontario, Canada: a retrospective cohort study
Holton A, Hamzat B, McCormack D, Bragg S, deGonzague B, Mecredy G, Campbell T, Antoniou T, McGregor L, Bertram J, Gomes T. JAMA Netw Open. 2025; 8(6):e2518452.
Changing trends in safer opioid supply uptake, dose and hydromorphone volume in Ontario: a population-based cross-sectional study
Xu F, Wang T, Kolla G, Campbell T, Watts T, Ledlie S, Koncz D, Tadrous M, Gomes T. Int J Drug Policy. 2025; 143:104905. Epub 2025 Jun 28.
The changing role of substances: trends, characteristics of individuals and prior healthcare utilization among individuals with accidental substance-related toxicity deaths in Ontario Canada
Ledlie S, Holton A, Leece P, Hamzat B, Yang J, Kolla G, Bozinoff N, Boyd R, Franklyn M, Smoke A, Newcombe P, Gomes T. PLoS One. 2025; 20(5):e0324732.
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.
Integrated treatment programs for pregnant and parenting people support longer retention compared to standard treatment programs: a population-based cohort study
Urbanoski K, Iwajomo T, Gomes T, de Oliveira C, Milligan K. J Subst Use Addict Treat. 2025; 174:209701. Epub 2025 Apr 22.
Trends in the cost and utilization of publicly reimbursed cancer medications dispensed as take-home treatments from 2017-2021
Garg R, Dumont T, McCormack D, Tadrous M, Campbell T, Chan K, Gomes T. Curr Oncol. 2025; 32(4):237.
Trends in the cost and utilization of publicly dispensed respiratory inhalers in Ontario, Canada: a repeated cross-sectional study
Garg R, Wang T, Tadrous M, Antoniou T, Gomes T. Pharmacoepidemiol Drug Saf. 2025; 34(4):e70125.