Faculty profile

Bernard Le Foll

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ProfessorDepartment of Family and Community MedicineUniversity of Toronto

Bernard Le Foll

Professor

Department of Family and Community Medicine

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

ORCID

Supervision signals

Professors usually supervise graduate students in their department's programs.
155 publications in the last five years, latest in 2026.
Senior (last) author on 45 recent papers, a sign of leading a research group.
Principal investigator on 14 research grants (14 CIHR), most recently in 2025.
Supervised 4 trainees who won CIHR awards, 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

328

Publications

493

Citations

h-index

128

Collaborators

Grants

Publications by year

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

Education

PhD, Pharmacology
MSc, Pharmacology
MD, Family Medicine

Profiles and links

University Profile Search on Google Scholar iDORCID

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Signals and details

Research

Read how they describe their research on their University of Toronto profile.

Psychopharmacology Psychology of addiction

Latest papers

PET imaging of FAAH in chronic Cannabis users: longitudinal assessment during short-term abstinence.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026
Trends in the sex ratio of cannabis use, harms and perceptions among youth in Ontario, Canada, 1999 to 2023.
Addiction (Abingdon, England) · 2026
Might cannabis Legalization Have Affected Public Health-Relevant Alcohol- and Tobacco-use Outcomes in Canada?
Nordisk alkohol- & narkotikatidskrift : NAT · 2026 · senior author

All 328 publications

Latest funding

Impact of Genomic Factors in Accidental Lethal Opioid Overdose
CIHR · 2025 · Principal investigator
$726,750
A Phase II Multi-Site, Double-Blind, Randomized, Sham-Controlled, Clinical Trial of Repetitive Transcranial Magnetic Stimulation for Cannabis Use Disorder
CIHR · 2025 · Co-investigator
$1,468,800
Investigating the Interplay between FAAH and Opioid Misuse in Chronic Pain
CIHR · 2025 · Principal investigator
$1,315,800

All 36 grants and awards

From the 150 most recent of 328 publications.

PET imaging of FAAH in chronic Cannabis users: longitudinal assessment during short-term abstinence.

Poluga C, Dheda SS, Boachie N, McCluskey T, Narciso L, Zilberman M, Côté C, Huestis MA, Tyndale RF, Kloiber S, Kolla NJ, Rusjan PM, Le Foll B, Warsh JJ, George TP, Boileau I

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology2026

DOI: 10.1038/s41386-026-02438-7 PMID: 42106478

Trends in the sex ratio of cannabis use, harms and perceptions among youth in Ontario, Canada, 1999 to 2023.

Matheson J, Boak A, Jiang H, Nigatu YT, Elton-Marshall T, Rueda S, Ali F, Rubin-Kahana DS, Galea LAM, Hamilton HA, Rehm J, Le Foll B, Imtiaz S

Addiction (Abingdon, England)2026

DOI: 10.1111/add.70607 PMID: 42775603

Might cannabis Legalization Have Affected Public Health-Relevant Alcohol- and Tobacco-use Outcomes in Canada?

Fischer B, Hall W, Jutras-Aswad D, Le Foll B

Nordisk alkohol- & narkotikatidskrift : NAT2026Senior author

DOI: 10.1177/14550725261488522 PMID: 42763468

Substance use disorder in forensic hospitals: A scoping review of practices and interventions.

Mauer-Vakil D, Pereira E, Canning C, Le Foll B, Bardwell G

Drug and alcohol dependence reports2026

DOI: 10.1016/j.dadr.2026.100465 PMID: 42597790

Investigating sex differences in the acute effects of smoked cannabis: a potency-ranging, controlled administration, human laboratory experiment.

Wright M, Matheson J, Zaweel A, Wickens CM, Di Ciano P, Sproule B, Le Foll B, Brands B

Psychopharmacology2026

DOI: 10.1007/s00213-026-07144-2 PMID: 42579005

Uncertain Benefit and Potential Harms of Serotonergic Antidepressants in Persons With Substance Use Disorder.

Wood E, Rehm J, Perry TL, Menkes DB, Poulin G, Lim R, Healy D, Le Foll B, Bruneau J

Canadian journal of psychiatry. Revue canadienne de psychiatrie2026

DOI: 10.1177/07067437261468911 PMID: 42565805

Dose-Dependent Effects of Cannabis Edibles on Simulated Driving Performance: A Randomized Clinical Trial.

Le Foll B, Matheson J, Antwi P, Wright M, Zaweel A, Hasan OSM, Kloiber S, Hassan AN, Sproule B, Wickens CM, Di Ciano P, Brands B

JAMA network open2026First author

DOI: 10.1001/jamanetworkopen.2026.31306 PMID: 42671837

Sex-based effectiveness in buprenorphine/naloxone and methadone treatment for opioid use disorder: Findings from the OPTIMA trial.

McAnulty C, Bastien G, Pek C, Pelletier McCrea T, Bouthillier A, Stewart SH, Socias ME, Le Foll B, Jutras-Aswad D, OPTIMA Research Group within the Canadian Research Initiative in Substance Misuse

Drug and alcohol dependence2026

DOI: 10.1016/j.drugalcdep.2026.113190 PMID: 42161037

Quantification of [11C]CURB PET using an irreversible reference tissue model with a cluster-derived pseudo-reference region.

Narciso L, Dheda SS, Mahmood R, Tyndale RF, McCluskey T, Warsh J, Le Foll B, Desmond KL, Kloiber S, Boileau I

Frontiers in neuroscience2026

DOI: 10.3389/fnins.2026.1882674 PMID: 42548758

The use of THC cutoff levels in blood and oral fluid for detecting impairment in frequent cannabis users who smoked cannabis the "evening before".

Zhao S, Battistuzzi A, Zakala C, Nette A, Matheson J, Le Foll B, Wickens CM, Kaduri P, Hasan O, Wang W, Chen S, Di Ciano P

Psychopharmacology2026

DOI: 10.1007/s00213-026-07129-1 PMID: 42443621

Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Bernard Le Foll

Research

Latest papers

Latest funding

PET imaging of FAAH in chronic Cannabis users: longitudinal assessment during short-term abstinence.

Trends in the sex ratio of cannabis use, harms and perceptions among youth in Ontario, Canada, 1999 to 2023.

Might cannabis Legalization Have Affected Public Health-Relevant Alcohol- and Tobacco-use Outcomes in Canada?

Substance use disorder in forensic hospitals: A scoping review of practices and interventions.

Investigating sex differences in the acute effects of smoked cannabis: a potency-ranging, controlled administration, human laboratory experiment.

Uncertain Benefit and Potential Harms of Serotonergic Antidepressants in Persons With Substance Use Disorder.

Dose-Dependent Effects of Cannabis Edibles on Simulated Driving Performance: A Randomized Clinical Trial.

Sex-based effectiveness in buprenorphine/naloxone and methadone treatment for opioid use disorder: Findings from the OPTIMA trial.

Quantification of [11C]CURB PET using an irreversible reference tissue model with a cluster-derived pseudo-reference region.

The use of THC cutoff levels in blood and oral fluid for detecting impairment in frequent cannabis users who smoked cannabis the "evening before".

Frequent collaborators

Patricia Di Ciano

Isabelle Boileau

Didier Jutras-Aswad

Bruna Brands

Benedikt Fischer

Peter Selby

Stefan Kloiber

Beth Sproule

Andriy Samokhvalov

Farihah Ali

Nikki Bozinoff

Evan Wood

Wei Wang

Paxton Bach

Keith Ahamad

Daphne Voineskos

Tara Elton-Marshall

Sergio Rueda

Nadia Fairbairn

Clement Zai

Soyeon Kim

Scott Veldhuizen

James MacKillop

Michael Surette

Frances Tse

Shawn Mondoux

Allison Blain

Valerie Taylor

Kamlesh Balchand

Daniel Blumberger

Derek van der Kooy

Harsha Shanthanna

Robert Chen

David Lloyd Streiner