Dr. Gagnon, MD, FRCPC, is a psychiatrist specializing in psycho-oncology, psychosomatic medicine, and geriatric psychiatry. He is a clinical researcher at the Centre for Cancer Research, and is director of the Department of Psychiatry and Neuroscience at the Faculty of Medicine.at Laval University. In addition to being a clinician at the CHU of Quebec – Laval University, CIUSSS-CN and Maison Michel-Sarrazin, he began his research career in 1994 after a two-year fellowship at the Memorial Sloan-Kettering Cancer Center in New York. He received a research fellowship from the National Cancer Institute of Canada (NCIC) and received the NCIC’s Dorothy J. Lamont Award for his significant contribution to oncology / palliative care research in delirium. He has been the lead investigator of major operating grants for the Canadian Cancer Society, and of a grant for a new emerging palliative care team from the Canadian Institute of Health Research (CIHR), while he was a professor at the Faculty of Pharmacy. Since 2000, Dr. Gagnon has led the Michel-Sarrazin research team in psychosocial oncology and palliative care at Laval University, and has been the director of the Quebec Research Network in Palliative and End-of-Life Care at FRQS since its creation in 2017.

His research interests include delirium associated with cancer, psychotherapy, especially existential, palliative care, psychiatric complications of cancer, as well as the use of psychotropic drugs in palliative care and oncology. He is active in teaching the different aspects of psycho-oncology and palliative care.

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Gaudreau JD, Gagnon P, Roy MA, Harel F, Tremblay A

Association between psychoactive medications and delirium in hospitalized patients: a critical review.

Journal Article

Psychosomatics, 46 (4), 2005.

Abstract | Links:

Gaudreau JD, Gagnon P

Psychotogenic drugs and delirium pathogenesis: the central role of the thalamus.

Journal Article

Med Hypotheses, 64 (3), 2005.

Abstract | Links:

Gaudreau JD, Gagnon P, Harel F, Tremblay A, Roy MA

Fast, systematic, and continuous delirium assessment in hospitalized patients: the nursing delirium screening scale.

Journal Article

J Pain Symptom Manage, 29 (4), 2005.

Abstract | Links:

Gaudreau JD, Gagnon P, Harel F, Roy MA, Tremblay A

Psychoactive medications and risk of delirium in hospitalized cancer patients.

Journal Article

J Clin Oncol, 23 (27), 2005.

Abstract | Links:

Gaudreau JD, Gagnon P, Harel F, Roy MA

Impact on delirium detection of using a sensitive instrument integrated into clinical practice.

Journal Article

Gen Hosp Psychiatry, 27 (3), 2005.

Abstract | Links:

Reich MG, Gagnon P, Gaudreau P-O, Breitbart W

Revue des instruments d'évaluation de la confusion mentale (delirium) en cancérologie

Journal Article

Rev Francophone Psycho-Oncologie, 1 (2), 2003.

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Active projects

  • Expérience du deuil et impact des moyens technologiques de communication au Québec pendant la pandémie COVID-19 : Étude transversale mixte, from 2021-01-30 to 2022-01-30
  • Soutien à la recherche, from 2017-07-01 to 2022-06-30

Recently finished projects

  • (FRSQ 79566) Réseaux thématiques du FRQS, from 2017-04-01 to 2021-03-31
  • Améliorer la communication en contexte de cancer avancé , from 2019-01-01 to 2020-03-31
  • Détresse et satisfactions face au processus informationnel et décisionnel lors d'un cancer de la prostate localisé, from 2017-02-01 to 2020-03-31
  • Recherche en soins palliatifs , from 2019-04-01 to 2020-03-31
Data provided by the Université Laval research projects registery