Seroquel Long-Term NIS for Schizophrenia Patients

Inclusion Criteria: * The patient and the patient's legal representative (if any) must understand the nature of the study and must have given written consent * The patient suffers from schizophrenia or schizoaffective disorder according to DSM-IV-TR * The patient is between 18 and 65 years old(extremes included) * On the basis of physical and neurological examination, medical history, the patient is, in the investigator's opinion, otherwise healthy * If the subject is a female of childbearing potential, she must be not pregnant or breast-feeding and be using a reliable method of contraception. Reliable methods may include abstinence, hormonal contraceptives (eg,oral contraceptives or long-term injectable or implantable hormonal contraceptives), double-barrier methods (eg, condom and diaphragm, condom and foam, condom and sponge), intrauterine devices, and tubal ligation Exclusion Criteria: * The patients who have known hypersensitivity to quetiapine