Faculty profile

Pamela Leece

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Assistant ProfessorClinical Public Health DivisionUniversity of Toronto

Pamela Leece

Assistant Professor

Clinical Public Health Division

Dalla Lana School of Public Health

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
34 publications in the last five years, latest in 2026.
Senior (last) author on 3 recent papers, a sign of leading a research group.
Principal investigator on 2 research grants (2 CIHR), most recently in 2025.

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

Publications

Citations

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Collaborators

Grants

Publications by year

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

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Signals and details

Research

Opioid Agonist Treatment Opioid Use Disorder Pharmacoepidemiology Residential Treatment Services Access To Care Addictions Services Disparities In Care Harm Reduction

Latest papers

Trends in fentanyl-containing drug samples seized by law enforcement agencies across Canada.
Addiction (Abingdon, England) · 2026
Dying younger, dying of overdose: gendered and age dimensions of mortality and shelter service access among individuals experiencing homelessness in Toronto, Canada.
BMC public health · 2026
Association between early methadone dose titration and treatment discontinuation and opioid toxicity: A retrospective cohort study.
PLoS medicine · 2026

All 59 publications

Latest funding

Evaluating the quality, accessibility, effectiveness, and safety of residential treatment services for opioid use disorder in Ontario
CIHR · 2025 · Principal investigator
$757,352
Evaluating the Safety and Effectiveness of Novel Opioid Agonist Therapy Prescribing Practices
CIHR · 2025 · Co-investigator
$650,252
Evaluating the Safety and Effectiveness of Evolving Prescribing Guidance for Opioid Agonist Treatment
CIHR · 2023 · Co-investigator
$562,275

All 9 grants and awards

59 publications.

Trends in fentanyl-containing drug samples seized by law enforcement agencies across Canada.

Ledlie S, Garg R, Leece P, Kolla G, Hyshka E, Tadrous M, Gomes T

Addiction (Abingdon, England)2026

DOI: 10.1111/add.70314 PMID: 41531299

Dying younger, dying of overdose: gendered and age dimensions of mortality and shelter service access among individuals experiencing homelessness in Toronto, Canada.

Ali F, Mende-Gibson J, Bozinoff N, Leece P, Dodd Z, Schmidt RA, Rehm J

BMC public health2026

DOI: 10.1186/s12889-026-27460-8 PMID: 42021287

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

Characterizing trends and patterns in benzodiazepine-related toxicity deaths in Ontario: A descriptive cross-sectional study.

Campbell T, Ledlie S, Leece P, Yang J, Hamzat B, Kolla G, Bozinoff N, Boyd R, Franklyn M, Smoke A, Shearer D, Gomes T

PloS one2026

DOI: 10.1371/journal.pone.0355210 PMID: 42743172

COVID-19 immunisation among individuals with opioid use disorder in Ontario: a population-based cohort study.

Hanna M, Subic AM, Park AL, Wu F, Campbell DM, Leece P, Morrison L, Parsons J, Sellen K, Strike C, Gomes T, Orkin AM

BMJ public health2025

DOI: 10.1136/bmjph-2025-002755 PMID: 41321367

Mapping the overdose crisis in Ontario: geographic disparities in opioid-related harms and services.

Ali F, Mende-Gibson J, Imtiaz S, Russell C, Chellew Paternostro S, Aftab Abdul S, Bozinoff N, Marsh DC, Leece P, Rehm J

BMC public health2025

DOI: 10.1186/s12889-025-25103-y PMID: 41233802

Patient and Prescriber characteristics associated with return to daily-dispense methadone: A multilevel cohort study.

Garg R, Ledlie S, McCormack D, Bozinoff N, Wyman J, Sproule B, Leece P, Tadrous M, Smoke A, Munro C, Gomes T

PLOS mental health2025

DOI: 10.1371/journal.pmen.0000442 PMID: 41662135

Multi-level barriers and facilitators to buprenorphine use in Ontario, Canada: a qualitative study using the theoretical domains framework.

Leece P, Khorasheh T, Zerger S, Corace K, Nixon L, Strike C, Bayomi AM, Marks E, Holowaty M, Crichlow F, Taha S, Straus SE

Addiction science & clinical practice2025First author

DOI: 10.1186/s13722-025-00610-w PMID: 41121195

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 health2025

DOI: 10.1136/bmjph-2024-002394 PMID: 40734968

Circumstances surrounding alcohol toxicity deaths and prior pharmacotherapy for alcohol use disorder in Ontario, Canada.

Wynne W, Iacono A, Yang J, Hamzat B, Leece P, Kolla G, Boyd R, Bozinoff N, Franklyn M, Shearer D, Smoke A, Wu F, Newcombe P, Gomes T

Alcohol and alcoholism (Oxford, Oxfordshire)2025

DOI: 10.1093/alcalc/agaf055 PMID: 40856508

Profile data last refreshed on July 30, 2025 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Pamela Leece

Research

Latest papers

Latest funding

Trends in fentanyl-containing drug samples seized by law enforcement agencies across Canada.

Dying younger, dying of overdose: gendered and age dimensions of mortality and shelter service access among individuals experiencing homelessness in Toronto, Canada.

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

Characterizing trends and patterns in benzodiazepine-related toxicity deaths in Ontario: A descriptive cross-sectional study.

COVID-19 immunisation among individuals with opioid use disorder in Ontario: a population-based cohort study.

Mapping the overdose crisis in Ontario: geographic disparities in opioid-related harms and services.

Patient and Prescriber characteristics associated with return to daily-dispense methadone: A multilevel cohort study.

Multi-level barriers and facilitators to buprenorphine use in Ontario, Canada: a qualitative study using the theoretical domains framework.

Circumstances surrounding opioid toxicity deaths within shelters in Ontario, Canada, before and during the COVID-19 pandemic: a population-based descriptive cross-sectional study.

Circumstances surrounding alcohol toxicity deaths and prior pharmacotherapy for alcohol use disorder in Ontario, Canada.

Frequent collaborators

Tara Gomes

Carol Strike

Mina Tadrous

Nikki Bozinoff

Curtis Handford

Amy Wright

Rita Shahin

Tony Antoniou

Shaun Hopkins

Sheena Taha

Gillian Kolla

Sheryl Spithoff

Heather Manson

Gillian Kolla

Aaron Orkin

Rob Boyd

Beth Sproule

Farihah Ali

Jennifer Wyman

Michael Hamilton

Vicky Stergiopoulos

Vicky Stergiopoulos

Kevin Thorpe

Janet Parsons

Gillian Kolla

Tara Elton-Marshall

Brian Schwartz

Brian Hutton

Frank Sullivan

Kednapa Thavorn

Karen Urbanoski

Rinku Sutradhar

Jennie Johnstone

Melanie Willows

Tea Rosic

Christopher Meaney

Lara Nixon

Nick Daneman

Karen Urbanoski

Rita Henderson