Compare the Effect on Cognitive Functioning of Two Formulations of Seroquel, Seroquel XR and IR in Patients With Stable Schizophrenia
Conditions
Interventions
- DRUG: Seroquel XR- quetiapine fumarate extended release
- DRUG: Seroquel IR - quetiapine fumarate
- DRUG: Placebo matching Seroquel XR
- DRUG: Placebo matching Seroquel IR
Sponsor
AstraZeneca