Addition of Quetiapine in Obsessive Compulsive Disorder - Westenberg study

Exclusion Criteria

• - Presence of any of the following DSM IV conditions; major depression (with a HDRS>15, [17 item]), bipolar disorder, schizophrenia or any other psychotic condition, tic disorder, substance related disorder during the past 6 months, epilepsy, or any structural CNS disorder or stroke within the last year.
• - Evidence of clinically significant and unstable cardiovascular, gastro-intestinal, pulmonary, renal, hepatic, endocrine or haematological disorders, glaucoma, myocardial infarction within the past year, or micturition abnormalities
• - Patients at risk for suicide
• - Multiple serious drug allergies or known allergy for the trial compounds
• - Use of antipsychotics during 6 months before the screening visit
• - Use of any other psychotropic drug during 6 months before the screening visit
• - Cognitive and behavioural treatment 3 months prior to the screening visit
• - Any known contra-indication against citalopram or quetiapine