Découvrez nos professeurs et professeures!
Marc-André Roy
Médecin clinicien enseignant titulaire

Contribution à la recherche
Axe de recherche de l'Université Laval :
Santé et bien-être durables
Thématiques de recherche de la Faculté de médecine :
Neurosciences et santé mentale
Santé des populations et pratiques optimales en santé
Transfert des connaissances
Domaines et intérêts de recherche du (de la) professeur(e) :
Neurosciences, santé mentale et toxicomanies
- Schizophrénie
- Santé mentale et société
- Cognition
Services de santé
- Organisation des soins de santé
Projets de recherche
- Comprendre le lien entre le jeu problématique et les troubles psychotiques chez les jeunes: considérations post pandémiques, motivations et trajectoires. - Fonds de recherche du Québec - Société et culture - Action concertée | Programme de recherche sur les jeux de hasard et d’argent et autres dépendances, co-chercheur - 2023-07-01 au 2026-06-30
- PAT-MOBILE (Psychosis And Trauma – Measurements of BIomarkers Levels in Exosomes) : étude multidimensionnelle des facteurs déterminants et exosomes comme indicateurs de pronostic et traitement - Université Laval - Fonds internes, Fonds de recherche du Québec - Santé - appel de propositions Initiative Stratégique en Santé Mentale (ISM): Mobiliser les forces vives en santé mentale et en neurosciences pour soutenir l’avancement des connaissances et la transformation des pratiques, co-chercheur - 2023-06-01 au 2026-05-31
- Communiquer pour se rétablir: une approche innovante des difficultés communicationnelles dans les troubles psychotiques - Conseil de recherches en sciences humaines du Canada - Programme Savoir: Subventions Savoir, co-chercheur - 2022-04-01 au 2026-03-31
- Impact du trouble du jeu vidéo sur l’évolution des patients atteints de premier épisode psychotique - MITACS Inc. - Accélération Québec (MITACS et gouvernement provincial), chercheur principal - 2023-05-01 au 2025-06-30
- Comprendre, Agir et Partager (CAP) pour soutenir le Rétablissement global des personnes aux prises avec un trouble psychotique - Fonds de recherche du Québec - Société et culture - Soutien aux équipes de recherche, chercheur principal - 2020-05-01 au 2024-04-30
- Impact des déficits cognitifs et communicationnels sur la prise de décision partagée en schizophrénie - CIUSSS - CN - VITAM Centre de recherche en santé durable - Fonds stratégique de développement de la recherche, co-chercheur - 2023-02-08 au 2024-03-31
- Comprendre le lien entre le jeu problématique et les troubles psychotiques chez les jeunes : une nouvelle voie vers le rétablissement - Fonds de recherche du Québec - Société et culture - Action concertée - Programme de recherche sur les impacts socioéconomiques des jeux de hasard et d'argent, co-chercheur - 2020-03-01 au 2023-06-01
- Projet PAT-MOBILE (Psychosis And Trauma - Measurements of Biomarkers Levels in exosomes) : étude pilote axée sur les exosomes comme indicateurs de diagnostic, pronostic et traitement - Université Laval - Fonds internes - BDR - Contributions, co-chercheur - 2022-04-01 au 2023-03-31
- Télé-NEUROS (Nouvel Environnement Universitaire de Recherche Orchestrée en Santé mentale et cognitive: une télé initiative) - CIUSSS - CN - CIRRIS, Université Laval - Fonds internes, CIUSSS - CN - CERVO, co-chercheur - 2020-10-20 au 2021-03-31
Publications
- Housing trajectories and the risk of homelessness among new mental health service users: Protocol for the AMONT study, Laurence Roy, Amal Abdel‐Baki, Félix‐Antoine Bérubé, Anne Crocker, Luigi de Benedictis, Mathieu Dostie, Eric Latimer, Marc‐André Roy, Early Intervention in Psychiatry, 2023, 10.1111/eip.13344
- Real-life effectiveness of transitioning from paliperidone palmitate 1-monthly to paliperidone palmitate 3-monthly long-acting injectable formulation., Corbeil O, Essiambre AM, Béchard L, Roy AA, Huot-Lavoie M, Brodeur S, Chandrasena R, Thériault C, Crocker C, Melun JP, Tibbo P, Demers MF, Roy MA, Therapeutic advances in psychopharmacology, 2022, 10.1177/20451253221136021
- Real-world effectiveness of aripiprazole once-monthly REACT study: Pooled analysis of two noninterventional studies., Schöttle D, Clerzius G, Janetzky W, Oluboka O, Roy MA, Therrien F, Wiedemann K, European psychiatry : the journal of the Association of European Psychiatrists, 2022, 10.1192/j.eurpsy.2022.27
- Clozapine Rechallenge or Continuation Despite Neutropenia, an Extended Follow-up of a Consecutive Quebec Case Series., Béchard L, Morasse-Bégis M, Corbeil O, Hakim JR, Malenfant E, Brodeur S, Huot-Lavoie M, Essiambre AM, Demers MF, Roy MA, Journal of clinical psychopharmacology, 2022, 10.1097/jcp.0000000000001556
- What areas of everyday functioning are affected by theory of mind deficits in recent-onset schizophrenia spectrum disorders? , Achim AM, Thibaudeau É, Huot A, Cellard C, Roy MA, Early intervention in psychiatry, 2022, 10.1111/eip.13291
- A Rapid-Learning Health System to Support Implementation of Early Intervention Services for Psychosis in Quebec, Canada: Protocol (Preprint), Manuela Ferrari, Srividya Iyer, Annie LeBlanc, Marc-André Roy, Amal Abdel-Baki, 2022, 10.2196/preprints.37346
- A Rapid Learning Health System to Support Implementation of Early Intervention Services for Psychosis in Quebec, Canada: Study Protocol, Ferrari M, Iyer S, Leblanc A, Roy M, Abdel-Baki A, 2021, 10.21203/rs.3.rs-1104367/v1
- Urbanicity, Schizophrenia and Equitable Specialist Services Allocation., Lesage A, Courteau J, Brodeur S, Stip E, Fleury MJ, Courteau M, Roy MA, Vanasse A, Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2021, 10.1177/07067437211040606
- Problem Gambling Associated with Aripiprazole: A Nested Case-Control Study in a First-Episode Psychosis Program., Corbeil O, Corbeil S, Dorval M, Carmichael PH, Giroux I, Jacques C, Demers MF, Roy MA, CNS drugs, 2021, 10.1007/s40263-021-00801-4
- From QAAPAPLE 1 to QAAPAPLE 2: how do we move from one algorithm to another one with Long Acting Antipsychotics (LAIs)., Stip E, Grignon S, Roy MA, Bloom D, Osman O, Amiri L, Abdel Aziz K, Javaid SF, Arnone D, Expert review of neurotherapeutics, 2020, 10.1080/14737175.2020.1826930
- Personalized cognitive remediation therapy to facilitate return to work or to school in recent-onset psychosis., Pothier W, Roy MA, Corbière M, Thibaudeau É, Achim AM, Wykes T, Reeder C, Chagnon Y, Cellard C, Neurocase, 2020, 10.1080/13554794.2020.1841797
- S1. CLOZAPINE RECHALLENGE FOLLOWING NEUTROPENIA USING GRANULOCYTE COLONY-STIMULATING FACTOR: A QUEBEC CASE SERIES, Béchard L, Corbeil O, Plante M, Thivierge M, Lafrenière C, Roy M, Demers M, Corbeil O, Schizophrenia bulletin, 2020
- The Evolution of Long-Acting Antipsychotics Use in Québec between 2003 and 2017., Roy MA, Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2020, 10.1177/0706743720901975
- Determinants of occupational outcome in recent-onset psychosis: The role of cognition., Pothier W, Cellard C, Corbière M, Villotti P, Achim AM, Lavoie A, Turcotte M, Vallières C, Roy MA, Schizophrenia research. Cognition, 2019, 10.1016/j.scog.2019.100158
- [Long-acting antipsychotics: The QAAPAPLE algorithm review]., Stip E, Abdel-Baki A, Roy MA, Bloom D, Grignon S, Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2019, 10.1177/0706743719847193
- F114. THE EVOLUTION OF LONG-ACTING ANTIPSYCHOTICS USE IN QUEBEC BETWEEN 2003 AND 2017, Roy M, Antoine L, Schizophrenia bulletin, 2019
- Evaluating preferences for online psychological interventions to decrease cannabis use in young adults with psychosis: An observational study, Ovidiu Tatar, Amal Abdel-Baki, Alina Dyachenko, Hamzah Bakouni, Arash Bahremand, Philip G. Tibbo, David Crockford, Marc-André Roy, Jan Copeland, Benedikt Fischer, Tania Lecomte, José Côté, Clairélaine Ouellet-Plamondon, Sophie L'Heureux, Marie Villeneuve, Didier Jutras-Aswad, Psychiatry Research, 2023, 10.1016/j.psychres.2023.115276
- Evaluating romantic and sexual functioning among persons with psychosis: Reliability and validity of two measures., Cloutier B, Diotte F, Murphy C, Roy MA, Abdel-Baki A, Lepage M, Lecomte T, Psychiatric rehabilitation journal, 2022, 10.1037/prj0000544
- Multidimensional analysis of adult patients' care trajectories before a first diagnosis of schizophrenia., Vanasse A, Courteau J, Courteau M, Roy MA, Stip E, Fleury MJ, Lesage A, Brodeur S, Schizophrenia (Heidelberg, Germany), 2022, 10.1038/s41537-022-00256-6
- For a structured response to the psychosocial consequences of the restrictive measures imposed by the global COVID-19 health pandemic: the MAVIPAN longitudinal prospective cohort study protocol., LeBlanc A, Baron M, Blouin P, Tarabulsy G, Routhier F, Mercier C, Despres JP, Hébert M, De Koninck Y, Cellard C, Collin-Vézina D, Côté N, Dionne É, MAVIPAN Research Collaboration, BMJ open, 2022, 10.1136/bmjopen-2021-048749
- Comparative effectiveness and safety of antipsychotic drugs in patients with schizophrenia initiating or reinitiating treatment: A Real-World Observational Study., Brodeur S, Vanasse A, Courteau J, Stip E, Lesage A, Fleury MJ, Courteau M, Roy MA, Acta psychiatrica Scandinavica, 2022, 10.1111/acps.13413
- Management of Rhabdomyolysis in a Patient Treated with Clozapine: A Case Report and Clinical Recommendations., Béchard L, Corbeil O, Thivierge MA, Assaad I, Boulanger C, Mailhot MP, Turgeon-Fournier A, Roy MA, Demers MF, Demers MF, Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology, 2022, 10.9758/cpn.2022.20.1.194
- Clozapine rechallenge following neutropenia using granulocyte colony-stimulating factor: A Quebec case series., Béchard L, Corbeil O, Plante M, Thivierge MA, Lafrenière CÉ, Roy MA, Demers MF, Journal of psychopharmacology (Oxford, England), 2021, 10.1177/02698811211029737
- Intervenir auprès des jeunes atteints de premier épisode psychotique : un recueil de savoirs et d’expériences en francophonie québécoise., Roy MA, Abdel-Baki A, Sante mentale au Quebec, 2021
- [Detecting and Treating Comorbid Disorders in First-Episode Psychosis: A Lever for Recovery]., Corbeil O, Bérubé FA, Artaud L, Roy MA, Sante mentale au Quebec, 2021
- [Early Intervention for Psychosis from Past to Future: Overcoming Implementation Challenges to Maximize its Impact?], Malla A, Roy MA, Abdel-Baki A, Conus P, McGorry P, Sante mentale au Quebec, 2021
- For a structured response to the psychosocial consequences of the restrictive measures imposed by the global COVID-19 health pandemic: The MAVIPAN longitudinal prospective cohort study protocol, LeBlanc A, Baron M, Blouin P, Tarabulsy G, Routhier F, Mercier C, Després J, Hébert M, De Koninck Y, Cellard C, Collin-Vézina D, Côté N, Déry M, Savard C, 2020, 10.1101/2020.11.10.20227397
- "Real world" clinical effectiveness of paliperidone palmitate 3-monthly injectable in early psychosis patients., Ferraro V, Lafrenière S, Demers MF, Roy MA, Abdel-Baki A, Psychopharmacology, 2020, 10.1007/s00213-020-05656-z
- Circulating IGFBP-2 levels reveal atherogenic metabolic risk in schizophrenic patients using atypical antipsychotics., Nolin MA, Demers MF, Rauzier C, Bouchard RH, Cadrin C, Després JP, Roy MA, Alméras N, Picard F, The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry, 2020, 10.1080/15622975.2020.1770858
- M59. THE ASSOCIATIONS BETWEEN THEORY OF MIND AND NEUROCOGNITION IN RECENT ONSET PSYCHOSIS, Thibaudeau É, Pothier W, Lavoie A, Turcotte M, Achim A, Vallières C, Roy M, Cellard C, Schizophrenia bulletin, 2020
- Problem Gambling Associated With Aripiprazole in First-Episode Psychosis Patients: A Series of 6 Case Reports., Corbeil O, Corbeil S, Giroux I, Jacques C, Dorval M, Demers MF, Roy MA, Journal of clinical psychopharmacology, 2020, 10.1097/jcp.0000000000001177
- A multimodal attempt to follow-up linkage regions using RNA expression, SNPs and CpG methylation in schizophrenia and bipolar disorder kindreds., Chagnon YC, Maziade M, Paccalet T, Croteau J, Fournier A, Roy MA, Bureau A, European journal of human genetics : EJHG, 2019, 10.1038/s41431-019-0526-y
- O12.2. CLOZAPINE RE-CHALLENGE OR CONTINUATION FOLLOWING A NEUTROPENIA: CASE-SERIES OF 22 CASES, Roy M, Morasse-Bégin M, Malenfant E, Nadeau M, Breault A, Chalifour G, Essiambre A, Corbeil O, Marie-France D, Schizophrenia bulletin, 2019
- O5.4. PROBLEM GAMBLING ASSOCIATED WITH ARIPIPRAZOLE: A NESTED CASE-CONTROL STUDY IN A FIRST-EPISODE PSYCHOSIS COHORT USING A SYSTEMATIC PHARMACOVIGILANCE APPROACH, Corbeil O, Corbeil S, Breault A, Chalifour G, Roy M, Demers M, Schizophrenia bulletin, 2019
- Continuing clozapine despite recurrent neutropenia: A 8 year follow-up case report with granulocyte-colony stimulating factor as-required use., Demers MF, Fortier L, Corbeil O, Breault AS, Roy MA, Asian journal of psychiatry, 2018, 10.1016/j.ajp.2018.10.005
- More intensive probing increases the detection of social anxiety disorders in schizophrenia., Roy MA, Vallières C, Lehoux C, Leclerc LD, Demers MF, Achim AM, Psychiatry research, 2018, 10.1016/j.psychres.2018.07.032
- Gaming Disorder and Psychotic Disorders: A Scoping Review., Huot-Lavoie M, Gabriel-Courval M, Béchard L, Corbeil O, Brodeur S, Massé C, Fournier É, Essiambre AM, Anderson E, Cayouette A, Giroux I, Khazaal Y, Roy MA, Psychopathology, 2022, 10.1159/000527143
- A Rapid-Learning Health System to Support Implementation of Early Intervention Services for Psychosis in Quebec, Canada: Protocol., Ferrari M, Iyer S, LeBlanc A, Roy MA, Abdel-Baki A, JMIR research protocols, 2022, 10.2196/37346
- The other side of the social interaction: Theory of mind impairments in people with schizophrenia are linked to other people's difficulties in understanding them., Achim AM, Roy MA, Fossard M, Schizophrenia research, 2022, 10.1016/j.schres.2022.07.001
- Treating Depression Following Biliopancreatic Diversion With Duodenal Switch Surgery: A Case Report., Béchard L, Giroux I, Corbeil O, Plante M, Roy MA, Demers MF, Journal of clinical psychopharmacology, 2022, 10.1097/jcp.0000000000001504
- Antipsychotic utilization trajectories three years after initiating or reinitiating treatment of schizophrenia: A state sequence analysis approach., Brodeur S, Vanasse A, Courteau J, Courteau M, Stip E, Fleury MJ, Lesage A, Demers MF, Roy MA, Acta psychiatrica Scandinavica, 2022, 10.1111/acps.13411
- Association between previous and future antipsychotic adherence in patients initiating clozapine: real-world observational study., Brodeur S, Courteau J, Vanasse A, Courteau M, Stip E, Fleury MJ, Lesage A, Demers MF, Corbeil O, Béchard L, Roy MA, The British journal of psychiatry : the journal of mental science, 2022, 10.1192/bjp.2022.1
- A Chart Audit Study of Clozapine Utilization in Early Psychosis., Leclerc LD, Demers MF, Bardell A, Bilodeau I, Williams R, Tibbo P, Roy MA, Journal of clinical psychopharmacology, 2021, 10.1097/jcp.0000000000001384
- [A Healthy Mind in a Healthy Body: The Value of Physical Activity for Youth With First Episode Psychosis]., Romain AJ, Bernard P, Piché F, Kern L, Ouellet-Plamondon C, Abdel-Baki A, Roy MA, Sante mentale au Quebec, 2021
- [Family Approaches in Early Intervention: Benchmarks to Guide Intervention and Support Families in First Episode Psychosis Programs (FEPP)]., Morin MH, Bergeron AS, Levasseur MA, Iyer SN, Roy MA, Sante mentale au Quebec, 2021
- [From Kraepelin to McGorry: Scientific Vision and Experiential Narrative around a Major Paradigmatic Shift]., Roy MA, Olivier D, Cambon A, Sante mentale au Quebec, 2021
- [Psychopharmacology of First Episode Psychosis: An Approach Based on Recovery]., Béchard L, Corbeil O, Malenfant E, Lehoux C, Stip E, Roy MA, Demers MF, Sante mentale au Quebec, 2021
- Letter to the Editor: Correction About the Nursing Delirium Screening Scale in Response to: "A Study of the Psychometric Properties of the "Stanford Proxy Test for Delirium" (S-PTD): A New Screening Tool for the Detection of Delirium"., Gagnon P, Gaudreau JD, Roy MA, Le Moignan Moreau J, Psychosomatics, 2020, 10.1016/j.psym.2020.05.019
- M197. SEASONAL ANTIPSYCHOTICS IN SCHIZOPHRENIA: OUTCOMES IN NATURALISTIC SETTINGS (SEASONS STUDY) OBSERVATIONAL RETROSPECTIVE MULTICENTRE CANADIAN STUDY ON 3MONTH-FORMULATION OF LONG-ACTING INJECTABLE PALIPERIDONE PALMITATE, Corbeil O, Essiambre A, Rosebush-Mercier R, Rhéaume G, Demers M, Roy M, Corbeil O, Schizophrenia bulletin, 2020
- Case Reports of Aripiprazole and Problematic Gambling in Schizophrenia: A Critical Review of the Evidence., Lachance A, Corbeil O, Corbeil S, Chalifour G, Breault AS, Roy MA, Demers MF, Journal of clinical psychopharmacology, 2019, 10.1097/jcp.0000000000001068
- F5. CIRCULATING IGFBP-2 LEVELS REVEAL ATHEROGENIC METABOLIC RISK IN SCHIZOPHRENIC PATIENTS USING ATYPICAL ANTIPSYCHOTICS, Nolin M, Rauzier C, Alméras N, Després J, Roy M, Bouchard R, Demers M, Picard F, Schizophrenia bulletin, 2019
- S110. LONG-ACTING ARIPIPRAZOLE IN FIRST-EPISODE PSYCHOSIS: DOES ONE SIZE FIT ALL?, Tremblay M, Rioux S, Fraser C, Bouffard A, L’Heureux S, Vallières C, Demers M, Roy M, Schizophrenia bulletin, 2019
- T50. DETERMINANTS OF OCCUPATIONAL RECOVERY IN RECENT-ONSET PSYCHOSIS: THE ROLE OF COGNITION, Roy M, Cellard C, Corbière M, Villotti P, Achim A, Lavoie A, Turcotte M, Vallières C, Schizophrenia bulletin, 2019
Contribution à l'enseignement aux cycles supérieurs
Étudiant(e)s dirigé(e)s*
Depuis 2009- Maxime Huot Lavoie - Doctorat - En cours
- Ouafa Boughzala - Maîtrise avec mémoire - En cours
- Gabrielle Salvas - Maîtrise avec mémoire - En cours
- Louise Gauthier - Doctorat - En cours
- Charles Desmeules - Maîtrise avec mémoire - En cours
- Anne-Marie Essiambre - Doctorat - En cours
- Vincent Taschereau-Dumouchel - Doctorat - 2015/09
- Stephanie Ann Fortier - Doctorat - 2019/01
- William Pothier - Doctorat - 2019/09
- Andréanne Lavoie - Doctorat - 2021/05
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