Overview Quetiapine XR in Schizophrenic Patients Status: Terminated Trial end date: 2010-08-01 Target enrollment: Participant gender: Summary The purpose of the study is to determine the effect of Quetiapine in patients with schizophrenia induced by cannabis abuse. Phase: Phase 3 Details Lead Sponsor: Hannover Medical SchoolCollaborators: AstraZenecaHannover Clinical Trial Center GmbHTreatments: Quetiapine Fumarate