Faculty profile

Zainab Samaan

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Professor (Part-Time)Psychiatry & Behavioural NeurosciencesMcMaster University

Zainab Samaan

Professor (Part-Time)

Psychiatry & Behavioural Neurosciences

Faculty of Health Sciences

McMaster University

Hamilton, Ontario, Canada

In this role since 2024

Email ORCID

Supervision signals

Adjunct, part-time and visiting faculty usually co-supervise alongside a core faculty member.
No graduate courses on record.
52 publications in the last five years, latest in 2026.
Senior (last) author on 17 recent papers, a sign of leading a research group.
Principal investigator on 6 CIHR grants, most recently in 2020.

These signals come from public records. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

210

Publications

6,697

Citations

h-index

Collaborators

Grants

Publications by year

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

Academic profiles

University Profile Search on Google Scholar iDORCID OpenAlex

Social profiles

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Contact

samaanz@mcmaster.ca

Research

Research areas, by share of publications

Opioid Use Disorder TreatmentMedicine
Substance Abuse Treatment and OutcomesMedicine
Suicide and Self-Harm StudiesPsychology
Pain Management and Opioid UseMedicine

Research areas are derived from OpenAlex topics of their publications.

From the 150 most recent of 210 publications.

Canadian Network for Mood and Anxiety Treatments (CANMAT) and International College of Obsessive-Compulsive Spectrum Disorders (ICOCS) 2025 international guidelines for the management of patients with obsessive-compulsive disorder

Van Ameringen M, Fineberg NA, Ravindran A, Arnold PD, Beaulieu S, Brakoulias V, Brietzke E, Dowlati Y, Drummond LM, Ferretti CJ

Journal of Psychiatric Research20268 citations

DOI: 10.1016/j.jpsychires.2025.12.039

The Canadian Network for Mood and Anxiety Treatments Task Force Recommendations for the Use of Probiotics, Prebiotics, Synbiotics, and Fecal Microbiota Transplants in Adults With Major Depressive Disorder: Recommandations du Groupe de travail du Réseau canadien pour le traitement des troubles de l’humeur et de l’anxiété (Canadian Network for Mood and Anxiety Treatments, CANMAT) concernant l’utilisation des probiotiques, des prébiotiques, des symbiotiques et de la transplantation de microbiote fécal chez les adultes atteints de trouble dépressif majeur

Bahji A, Brietzke E, Cooke NCA, Clement F, Frey BN, Hofmeister M, Kennedy SH, Lam R, Milev R, Moinul D

Canadian Journal of Psychiatry20265 citations

DOI: 10.1177/07067437251394363

Canadian Psychiatry Human Resource Planning: Delphi-Method Study of Academic Chairs of Psychiatry of Canada: Planification des ressources humaines en psychiatrie au Canada : étude menée à l’aide des méthodes Delphi auprès des chefs de département de psychiatrie au Canada

Sareen J, Isaak C, Perera E, Ross DA, Agyapong V, Ahmed AG, Neufeld KJ, Turecki G, Haggarty J, Roy-Desruisseaux J

Canadian Journal of Psychiatry20262 citations

DOI: 10.1177/07067437251408174

Limited consensus in expert opinions on studies evaluating the design, conduct, analysis, or reporting of health research: a survey study

Silva JM, Lima JP, Lawson DO, Nyambi A, Sadeghirad B, Logie C, Moher D, Pieper D, Collins G, Guyatt G

Journal of Clinical Epidemiology20261 citations

DOI: 10.1016/j.jclinepi.2026.112245

Pharmacological Management of Opioid Use Disorder: A Systematic Review and Network Meta-Analysis: Prise en charge pharmacologique du trouble de l'usage des opiacés : revue systématique et méta-analyse en réseau

Rodrigues M, Dennis BB, Sadeghirad B, Oprea A, Malik M, Naji LN, McEvoy A, Malhotra D, Parpia S, Thabane L

Canadian Journal of Psychiatry2026

DOI: 10.1177/07067437261479071

The association between the T allele in rs204076 and treatment retention in patients receiving medication for opioid use disorder

McEvoy A, Rodrigues M, Hudson J, Marsh DC, Thabane L, Samaan Z

Scientific Reports2026Senior author

DOI: 10.1038/s41598-026-52706-1

Do suicide attempts increase in severity or frequency across repeat attempts?

Wafy G, Colman I, Samaan Z, Magnotta VA, Coryell WH, Fiedorowicz JG

Journal of Psychiatric Research2026

DOI: 10.1016/j.jpsychires.2026.06.004

Oral Methods of Microbiota Manipulation for Depression Symptoms: A Systematic Review: Méthodes orales de manipulation du microbiote pour traiter les symptômes de dépression : Une revue systématique

Oprea A, Steinman J, Huang G, Soyinka O, Brookbank M, Abesteh J, Hartman M, McEvoy A, Dionne JC, Milev R

Canadian Journal of Psychiatry2026

DOI: 10.1177/07067437251394369

Canadian Network for Mood and Anxiety Treatments 2024 Clinical Practice Guideline for the Management of Perinatal Mood, Anxiety, and Related Disorders: Guide de pratique 2024 du Canadian Network for Mood and Anxiety Treatments pour le traitement des troubles de l'humeur, des troubles anxieux et des troubles connexes périnatals

Vigod SN, Frey BN, Clark CT, Grigoriadis S, Barker LC, Brown HK, Charlebois J, Dennis C-L, Fairbrother N, Green SM

Canadian Journal of Psychiatry202581 citations

DOI: 10.1177/07067437241303031

Trends in stimulant use among patients with opioid use disorder receiving substance use treatment: Findings from a prospective cohort study from 2013 to 2020

Jackson E, Bach P, Socias ME, Brooks OM, Fairbairn N, Rodrigues M, Rosic T, Naji L, Jinks-Chang S, Nolan S

Drug and Alcohol Dependence20257 citations

DOI: 10.1016/j.drugalcdep.2025.112703

Research institutes and memberships

Chanchlani Research Centre

Researchers with similar interests

Jennifer Susan Brasch

Psychiatry & Behavioural Neurosciences

Substance Abuse Treatment and Outcomes, Opioid Use Disorder Treatment

Sabrina Syan

Psychiatry & Behavioural Neurosciences

Substance Abuse Treatment and Outcomes, Opioid Use Disorder Treatment

Robin Barbara Bateman Lennox

Family Medicine

Opioid Use Disorder Treatment, Substance Abuse Treatment and Outcomes

James MacKillop

Psychiatry & Behavioural Neurosciences

Substance Abuse Treatment and Outcomes

Jillian Halladay

Nursing

Substance Abuse Treatment and Outcomes

Catharine Munn

Psychiatry & Behavioural Neurosciences

Substance Abuse Treatment and Outcomes

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mention

Subject: Prospective PhD student: Opioid Use Disorder Treatment Dear Professor Samaan, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Canadian Network for Mood and Anxiety Treatments (CANMAT) and International College of Obsessive-Compulsive Spectrum Disorders (ICOCS) 2025 international guidelines for the management of patients with obsessive-compulsive disorder" (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

Open in email

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Zainab Samaan

Research

Canadian Network for Mood and Anxiety Treatments (CANMAT) and International College of Obsessive-Compulsive Spectrum Disorders (ICOCS) 2025 international guidelines for the management of patients with obsessive-compulsive disorder

Canadian Psychiatry Human Resource Planning: Delphi-Method Study of Academic Chairs of Psychiatry of Canada: Planification des ressources humaines en psychiatrie au Canada : étude menée à l’aide des méthodes Delphi auprès des chefs de département de psychiatrie au Canada

Limited consensus in expert opinions on studies evaluating the design, conduct, analysis, or reporting of health research: a survey study

Pharmacological Management of Opioid Use Disorder: A Systematic Review and Network Meta-Analysis: Prise en charge pharmacologique du trouble de l'usage des opiacés : revue systématique et méta-analyse en réseau

The association between the T allele in rs204076 and treatment retention in patients receiving medication for opioid use disorder

Do suicide attempts increase in severity or frequency across repeat attempts?

Oral Methods of Microbiota Manipulation for Depression Symptoms: A Systematic Review: Méthodes orales de manipulation du microbiote pour traiter les symptômes de dépression : Une revue systématique

Trends in stimulant use among patients with opioid use disorder receiving substance use treatment: Findings from a prospective cohort study from 2013 to 2020

Research institutes and memberships

Frequent collaborators

Lehana Thabane

Britt Dennis

Andrew Worster

Guillaume Pare

Lawrence Mbuagbaw

Stephanie Sanger

Researchers with similar interests

Jennifer Susan Brasch

Sabrina Syan

Robin Barbara Bateman Lennox

James MacKillop

Jillian Halladay

Catharine Munn