Abstract
ObjectiveThe aim was to investigate the hypothesis that patients with first episode schizophrenic disorders have a more favorable treatment response than those with multiple episodes.MethodA total of 400 inpatients from an ongoing multi-centre, follow-up program who fulfilled ICD-10 criteria for schizophrenic disorders (F2) were assessed at admission to and discharge from hospital using the Positive and Negative Syndrome Scale (PANSS).ResultsAt admission, first episode patients (n = 121) showed higher levels of positive symptoms (PANSS positive subscore) and lower ones of negative symptoms (PANSS negative subscore) than multiple episode patients (n = 279), whereas the global disease severity (PANSS total score) was comparable. Analyses of covariance revealed that treatment response (adjusted symptom levels at discharge) was more favorable in first-episode patients, with respect to both positive and negative symptoms.ConclusionThe results are compatible with the hypothesis that treatment response becomes less favorable during the course of schizophrenic illness. This finding might be associated with progressive neurobiological alterations.
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