Faculty profile

Tony Antoniou

ResearcherLi Ka Shing KnowledgeUniversity of Toronto

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Toronto directory, so their courses and email address may be missing. Find their university profile.

Tony Antoniou

Researcher

Li Ka Shing Knowledge

Health Sciences

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
44 publications in the last five years, latest in 2026.
Senior (last) author on 5 recent papers, a sign of leading a research group.
Principal investigator on 11 research grants (11 CIHR), most recently in 2021.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

126

Publications

959

Citations

h-index

117

Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Profiles and links

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Signals and details

Research

Pharmacoepidemiology Public Health Children And Youth Drug Safety Mental Health Covid-19 Hiv Access To Care

Latest papers

Treatment outcomes after initiating buprenorphine/naloxone or methadone for opioid use disorder among First Nation Peoples in Ontario, Canada.
The International journal on drug policy · 2026
Geographic variation and neighbourhood correlates of mental health-related hospitalizations and emergency department visits in children and youth during the COVID-19 pandemic: a population-based study.
Frontiers in child and adolescent psychiatry · 2026 · first author
Association between early methadone dose titration and treatment discontinuation and opioid toxicity: A retrospective cohort study.
PLoS medicine · 2026

All 126 publications

Latest funding

Advancing the Science of Drug Interactions
CIHR · 2024 · Co-investigator
$665,550
Evaluating the Safety and Effectiveness of Evolving Prescribing Guidance for Opioid Agonist Treatment
CIHR · 2023 · Co-investigator
$562,275
Building solutions to address drugs shortages in Canada: developing an evidence-based at-risk medicine list
CIHR · 2022 · Co-investigator
$149,850

All 25 grants and awards

126 publications.

Treatment outcomes after initiating buprenorphine/naloxone or methadone for opioid use disorder among First Nation Peoples in Ontario, Canada.

Rebić N, Bragg S, McCormack D, Hamzat B, deGonzague B, Holton A, Mecredy G, Campbell T, Antoniou T, McGregor L, Bertram J, Pine K, Corbiere Y, Gomes T

The International journal on drug policy2026

DOI: 10.1016/j.drugpo.2026.105513 PMID: 42762708

Geographic variation and neighbourhood correlates of mental health-related hospitalizations and emergency department visits in children and youth during the COVID-19 pandemic: a population-based study.

Antoniou T, Gozdyra P, Fridman D, Pajer K, Gomes T, Penner M, Tadrous M, Juurlink DN, Gardner W

Frontiers in child and adolescent psychiatry2026First author

DOI: 10.3389/frcha.2026.1575531 PMID: 42232876

Association between early methadone dose titration and treatment discontinuation and opioid toxicity: A retrospective cohort study.

Garg R, Luo J, Bozinoff N, Sproule B, Antoniou T, Wyman J, Leece P, Munro C, Besharh J, Gomes T

PLoS medicine2026

DOI: 10.1371/journal.pmed.1004748 PMID: 41955210

Trends in the dispensing of opioids for pain and concurrent benzodiazepine use among First Nations People in Ontario, Canada, from 2013 to 2021.

Holton A, Wang T, Hamzat B, Bragg S, deGonzague B, Mecredy G, Campbell T, Antoniou T, McGregor L, Bertram J, Gomes T

Canadian journal of public health = Revue canadienne de sante publique2026

DOI: 10.17269/s41997-025-01097-3 PMID: 40824424

Opioid Toxicity Following Concomitant Use of Macrolide Antibiotics with Fentanyl, Hydromorphone, or Oxycodone: A Population‐Based Study

Antoniou T, Yang J, Juurlink DN, Ho JM, Mamdani M, Wu F, Tadrous M, Gomes T

Clinical Pharmacology and Therapeutics20261 citationsFirst author

DOI: 10.1002/cpt.70267

Best possible medication history interview guide: a rapid scoping review

Ho JM-W, Tung JM, Watt A, Antoniou T, Yantha D, Hoffman C, Golding D, Hyland S, Dulong C, Benjamin S

BMJ quality improvement reports2026

DOI: 10.1136/bmjoq-2025-004015

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

Pharmacoepidemiology and drug safety2025

DOI: 10.1002/pds.70125 PMID: 40197837

Brief Report: A population-based study of the impact of the COVID-19 pandemic on benzodiazepine use among children and young adults.

Antoniou T, Pajer K, Gardner W, Penner M, Lunsky Y, McCormack D, Tadrous M, Mamdani M, Gozdyra P, Juurlink DN, Gomes T

European child & adolescent psychiatry2025First author

DOI: 10.1007/s00787-024-02531-6 PMID: 39110190

Impact of Policy Changes Expanding Access to Direct-Acting Antivirals on Hepatitis C Virus-Related Hospitalizations in People With HIV: A Population-Based Study.

Antoniou T, Ledlie S, Wang T, Tadrous M, Gomes T

Open forum infectious diseases2025First author

DOI: 10.1093/ofid/ofaf003 PMID: 39877398

Glucagon-Like Peptide 1 Receptor Agonists and Risk of Thyroid Cancer: An International Multisite Cohort Study.

Baxter SM, Lund LC, Andersen JH, Brix TH, Hegedüs L, Hsieh MH, Su CT, Cheng MC, Chang ZC, Lai EC, Hussain S, Chu C, Gomes T, Antoniou T, Eskander A, Bouck Z, Tadrous M, Bea S, Choi EY, Shin JY, Modig K, Talbäck M, Ljung R, Gulseth HL, Karlstad Ø, Hicks B, Pottegård A

Thyroid : official journal of the American Thyroid Association2025

DOI: 10.1089/thy.2024.0387 PMID: 39772758

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Tony Antoniou

Research

Latest papers

Latest funding

Treatment outcomes after initiating buprenorphine/naloxone or methadone for opioid use disorder among First Nation Peoples in Ontario, Canada.

Geographic variation and neighbourhood correlates of mental health-related hospitalizations and emergency department visits in children and youth during the COVID-19 pandemic: a population-based study.

Association between early methadone dose titration and treatment discontinuation and opioid toxicity: A retrospective cohort study.

Trends in the dispensing of opioids for pain and concurrent benzodiazepine use among First Nations People in Ontario, Canada, from 2013 to 2021.

Opioid Toxicity Following Concomitant Use of Macrolide Antibiotics with Fentanyl, Hydromorphone, or Oxycodone: A Population‐Based Study

Best possible medication history interview guide: a rapid scoping review

Trends in the Cost and Utilization of Publicly Dispensed Respiratory Inhalers in Ontario, Canada: A Repeated Cross-Sectional Study.

Brief Report: A population-based study of the impact of the COVID-19 pandemic on benzodiazepine use among children and young adults.

Impact of Policy Changes Expanding Access to Direct-Acting Antivirals on Hepatitis C Virus-Related Hospitalizations in People With HIV: A Population-Based Study.

Glucagon-Like Peptide 1 Receptor Agonists and Risk of Thyroid Cancer: An International Multisite Cohort Study.

Frequent collaborators

Tara Gomes

Mina Tadrous

Mona Loutfy

Muhammad Mamdani

Janet Raboud

Yona Lunsky

Yona Lunsky

Kathleen Pajer

Melanie Penner

William Gardner

Curtis Cooper

Joanne Ho

Claire Kendall

Nikki Bozinoff

Pamela Leece

Claire Kendall

Fiona Kouyoumdjian

Carol Strike

Gillian Kolla

Curtis Cooper

Jennifer Wyman

William Gardner

Sharon Walmsley

Sophiya Benjamin

Wendy Wobeser

Marek Smieja

Gillian Kolla

Jason Brophy

J Michael Paterson

Christos Tsoukas

Charles Harry Goldsmith

Sean Rourke

Richard Harrigan

Anne Marie Holbrook

Jeffrey Kwong

Lehana Thabane

Soo Ying Chan Carusone

Edward Joseph Mills

Amit Garg

Larkin Lamarche