Evaluation of a Cannabis Harm Reduction Intervention for People With First-Episode Psychosis: Protocol for a Pilot Multicentric Randomized Trial

Stephanie Coronado-Montoya   ^{1, 2} , MSc ;   Amal Abdel-Baki   ^{1, 2, 3} , MSc, MD ;   José Côté   ^{2, 4} , RN, PhD ;   David Crockford   ^{5, 6} , MD ;   Simon Dubreucq   ^{1, 2} , MSc, MD ;   Benedikt Fischer   ^{7, 8, 9, 10, 11} , PhD ;   Pamela Lachance-Touchette   ² , PhD ;   Tania Lecomte   ^{12, 13} , PhD ;   Sophie L'Heureux   ^{14, 15} , MD ;   Clairélaine Ouellet-Plamondon   ^{1, 2, 3} , MSc, MD ;   Marc-André Roy   ^{15, 16, 17} , MSc, MD ;   Ovidiu Tatar   ^{1, 2, 18} , MSc, MD ;   Phillip Tibbo   ¹⁹ , MD ;   Marie Villeneuve   ¹ , MD ;   Anne Wittevrongel   ² , MPsy ;   Didier Jutras-Aswad   ^{1, 2, 3, 20} , MSc, MD

¹ Department of Psychiatry and Addiction, Université de Montréal, Montreal, QC, Canada

² Research Centre, Centre Hospitalier de l’Université de Montréal, Montréal, QC, Canada

³ Department of Psychiatry, Centre Hospitalier de l'Université de Montréal, Montreal, QC, Canada

⁴ Faculty of Nursing, Université de Montréal, Montreal, QC, Canada

⁵ Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

⁶ Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada

⁷ Centre for Applied Research in Addiction and Mental Health, Simon Fraser University, Vancouver, BC, Canada

⁸ Research & Graduate Studies Division, University of the Fraser Valley, Abbotsford, BC, Canada

⁹ Department of Psychiatry, Federal University of Sao Paulo, Sao Paulo, Brazil

¹⁰ School of Population Health, University of Auckland, Auckland, New Zealand

¹¹ Department of Psychiatry, University of Toronto, Toronto, ON, Canada

¹² Department of Psychology, Université de Montréal, Montréal, QC, Canada

¹³ Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montréal, QC, Canada

¹⁴ Clinique Notre-Dame des Victoires, Institut Universitaire en Santé Mentale, Centre Intégré Universitaire de Soins et Services Sociaux de la Capitale Nationale, Québec, QC, Canada

¹⁵ Department of Psychiatry and Neurosciences, Laval University, Québec, QC, Canada

¹⁶ Centre de Recherche de l'Institut Universitaire en Santé Mentale de Québec, Québec, QC, Canada

¹⁷ Centre de Recherche CERVO, Québec, QC, Canada

¹⁸ Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada

¹⁹ Department of Psychiatry, Dalhousie University, Halifax, NS, Canada

²⁰ University Institute on Addictions, Montreal, QC, Canada