Seroquel STACK Study in Schizophrenic or Schizoaffective Subjects

Exclusion Criteria

• - Subjects with other psychiatric, medical or behavioural comorbid disorder that may interfere with study conduct or interpretation.
• - Female of childbearing potential, unless the subject is using a reliable method of contraception
• - Subjects with alcohol or psychoactive-substance dependence not in full remission or with significant alcohol or substance abuse in the past 3 months will be excluded.
• - Laboratory test results outside the range of reference considered by the investigator to be clinically significant.
• - Inability to respect the visit schedule and known intolerance to quetiapine at 800mg/day.