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).
AbstractIntroductionCannabis-induced psychosis (CIP) is often assumed to resolve with sustained abstinence, although recent studies report adverse long-term outcomes, such as a high risk of diagnostic transition to schizophrenia. Cannabis is also known to increase relapse rate in individuals with psychotic disorders in general, and there is a lack of knowledge on optimal treatment of this...