Comparative Clinical Trajectories Across Cannabis‐Related and Nonsubstance‐Related Psychoses
Acta Psychiatrica Scandinavica April 8, 2026 A. Mustonen, S. Niemelä, Alexander Denissoff et al.
Research indicates that first‐episode psychosis (FEP) with cannabis use disorder (CUD) carries a substantial disease burden, but more granular clinical trajectories of cannabis‐related psychoses remain unclear. This study examines the clinical trajectories of first clinically diagnosed FEP&CUD and cannabis‐induced psychosis (CIP) in comparison with FEP without substance use disorder (SUD).