Efficacy and Safety of Quetiapine in Treating Affective Symptoms of Patients With First-episode psychosis-a Pilot Study

The purpose of this study is: To investigate whether a treatment with quetiapine for six months in patients with first-episode psychosis may be effective in treating depressive symptoms. To investigate whether a treatment with quetiapine for six months in patients with first-episode psychosis may be effective in mania-like symptoms and to evaluate the general efficacy in psychopathology as well as the safety and tolerability of quetiapine.