Health Research Methods, Evidence, and Impact

Zena Samaan


Associate Professor, Department of Psychiatry and Behavioural Neurosciences

Associate Member, Dept of Health Research Methods, Evidence, and Impact

Core Faculty, Population Genomics Program

Core Faculty, Peter Boris Centre for Addictions Research, St. Joseph’s Healthcare Hamilton

Staff Psychiatrist, Mood Disorders Program, St. Joseph’s Healthcare Hamilton

905.522.1155, ext. 36372

Clinical Administrative Assistant: Cyndi Gee
905-522-1155 Ext. 36372

Research Assistant: Jackie Hudson
905 522-1155, ext. 39215


Academic Interests

Dr. Samaan completed psychiatry and research training in Ireland and UK. In addition to her medical degree, she holds a Masters in Science from Trinity College Dublin, Ireland and a PhD in psychiatric genetics from the Institute of Psychiatry and Kings College London, UK. Dr. Samaan is a psychiatrist specialized in mood disorders and the comorbidity of depression with medical disorders and addiction. Her clinical and research interests are focused on complex depression, predictors of suicidal behaviour and substance use disorders with emphasis on biological markers including genetic variants.

Selected Publications

  1. Sex differences in substance use, health, and social functioning among opioid users receiving methadone treatment: a multicenter cohort study. Bawor M, Dennis BB, Varenbut M, Daiter J, Marsh DC, Plater C, Worster A, Steiner M, Anglin R, Pare G, Desai D, Thabane L, Samaan Z. Biol Sex Differ. 2015 Nov 10;6:21.
  2. Re-Examination of Classic Risk Factors for Suicidal Behavior in the Psychiatric Population. Dennis BB, Roshanov PS, Bawor M, ElSheikh W, Garton S, DeJesus J, Rangarajan S, Vair J, Sholer H, Hutchinson N, Lordan E, Thabane L, Samaan Z. Crisis. 2015 Jul;36(4):231-40.
  3. Contribution of BDNF and DRD2 genetic polymorphisms to continued opioid use in patients receiving methadone treatment for opioid use disorder: an observational study. Bawor M, Dennis BB, Tan C, Pare G, Varenbut M, Daiter J, Plater C, Worster A, Marsh DC, Steiner M, Anglin R, Desai D, Thabane L, Samaan Z. Addict Sci Clin Pract. 2015 Oct 6;10(1):19.
  4. Lack of association between type 2 diabetes and major depression: epidemiologic and genetic evidence in a multiethnic population. Samaan Z, Garasia S, Gerstein HC, Engert JC, Mohan V, Diaz R, Anand SS, Meyre D. Transl Psychiatry. 2015 Aug 11;5:e618.
  5. The protective effect of the obesity-associated rs9939609 A variant in fat mass- and obesity-associated gene on depression. Samaan Z, Anand SS, Zhang X, Desai D, Rivera M, Pare G, Thabane L, Xie C, Gerstein H, Engert JC, Craig I, Cohen-Woods S, Mohan V, Diaz R, Wang X, Liu L, Corre T, Preisig M, Kutalik Z, Bergmann S, Vollenweider P, Waeber G, Yusuf S, Meyre D. Mol Psychiatry. 2013 Dec;18(12):1281-6.

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