Evaluation of the Necessity of Long-term Pharmacological Treatment With Antipsychotics in Schizophrenic Patients

Inclusion Criteria

• •Diagnosis of schizophrenia or schizoaffective disorder
• •The participants have to be in remission for at least 3 years (i.e. no psychiatric hospitalisation) under a stable antipsychotic medication. Remission will be measured using the remission criteria by Andreasen et al. (2005) Score ≤3 for the items concerning psychosis of the "Positive and Negative Syndrom Scale" (PANSS; Kay et al., 1987): "Delusions" (P1), "Conceptual disorganisation" (P2), "Halluzinations" (P3), "Mannerisms and posturing" (G5) and "Unusual thought content" (G9) and a score ≤3 on the "Clinical Global Impression Severity Scale" (CGI-S; Guy, 1976)
• •Able to give informed consent