Marc-andre Roy

Laval, QC, Canada

Last Updated: 09/26/2026

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Found 127 publications

Correlates of Engagement and Associations with Outcomes in a Cannabis Harm Reduction Mobile App for Youth with First-Episode Psychosis: Exploratory Findings from the CHAMPS Pilot Randomized Controlled Trial.

Correlates of Engagement and Associations with Outcomes in a Cannabis Harm Reduction Mobile App for Youth with First-Episode Psychosis: Exploratory Findings from the CHAMPS Pilot Randomized Controlled Trial.

Journal: JMIR formative research

Published: July 09, 2026

Healthcare Pattern of Use Before and After Initiating a Long-Acting Antipsychotic Among a Cohort of 6221 Patients With a History of Psychosis.

Healthcare Pattern of Use Before and After Initiating a Long-Acting Antipsychotic Among a Cohort of 6221 Patients With a History of Psychosis.

Journal: Canadian journal of psychiatry. Revue canadienne de psychiatrie

Published: June 29, 2026

Development of a patient decision aid prototype on the decision to continue, reduce or discontinue antipsychotic medication following remission of first-episode psychosis.

Development of a patient decision aid prototype on the decision to continue, reduce or discontinue antipsychotic medication following remission of first-episode psychosis.

Journal: BJPsych open

Published: May 05, 2026

Incidence and predictors of problem gambling in first-episode psychosis: A prospective multicentre cohort study.

Incidence and predictors of problem gambling in first-episode psychosis: A prospective multicentre cohort study.

Journal: European psychiatry : the journal of the Association of European Psychiatrists

Published: February 13, 2026

Integrating gaming disorder into early intervention in first-episode psychosis - current knowledge and future directions.

Integrating gaming disorder into early intervention in first-episode psychosis - current knowledge and future directions.

Journal: Irish journal of psychological medicine

Published: December 09, 2025

An appraisal of practice guidelines for early intervention services for psychosis: Using AGREE II (Appraisal of Guidelines for Research and Evaluation) to enhance the quality and trustworthiness of guidelines in the future.

An appraisal of practice guidelines for early intervention services for psychosis: Using AGREE II (Appraisal of Guidelines for Research and Evaluation) to enhance the quality and trustworthiness of guidelines in the future.

Journal: Schizophrenia research

Published: December 01, 2025

Understanding suicide risk assessment practices in psychotic disorders: insights from Canadian mental health professionals, a preliminary investigation.

Understanding suicide risk assessment practices in psychotic disorders: insights from Canadian mental health professionals, a preliminary investigation.

Journal: Journal of mental health (Abingdon, England)

Published: November 27, 2025

Correlates of Engagement and Associations With Outcomes in a Cannabis Harm-Reduction Mobile App for Youth With First-Episode Psychosis: Exploratory Analysis of the CHAMPS Pilot Randomized Controlled Trial.

Correlates of Engagement and Associations With Outcomes in a Cannabis Harm-Reduction Mobile App for Youth With First-Episode Psychosis: Exploratory Analysis of the CHAMPS Pilot Randomized Controlled Trial.

Journal: JMIR formative research

Published: September 30, 2025

Factors shaping the decision-making process to continue or discontinue antipsychotics: exploratory qualitative study of 12 individuals in remission from first-episode psychosis.

Factors shaping the decision-making process to continue or discontinue antipsychotics: exploratory qualitative study of 12 individuals in remission from first-episode psychosis.

Journal: BJPsych open

Published: September 04, 2025

Being well understood and generating interest during verbal interactions: the role of Theory of Mind and clinical symptoms in people with schizophrenia spectrum disorders.

Being well understood and generating interest during verbal interactions: the role of Theory of Mind and clinical symptoms in people with schizophrenia spectrum disorders.

Journal: Philosophical transactions of the Royal Society of London. Series B, Biological sciences

Published: August 14, 2025

Gaming Disorder in First Episode Psychosis: Prevalence and Impact on Symptomatology and Functioning in a Prospective Cohort Study.

Gaming Disorder in First Episode Psychosis: Prevalence and Impact on Symptomatology and Functioning in a Prospective Cohort Study.

Journal: Schizophrenia bulletin

Published: July 01, 2025

Lived experience of gaming disorder among people with psychotic disorders: implications for tailored interventions and clinical management.

Lived experience of gaming disorder among people with psychotic disorders: implications for tailored interventions and clinical management.

Journal: Current opinion in psychiatry

Published: May 22, 2025

Showing 1-12 of 127

Last Updated: 09/26/2026