Depressive syndromes in schizophrenic patients under neuroleptic therapy

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Abstract
Schizophrenic outpatients (=364) were assigned at random to three different treatment strategies: (1) continuous medication with neuroleptic drugs, (2) intermittent medication with crisis intervention and (3) intermittent medication with early intervention. Depressive syndromes were rated according to three different scales for depressive syndromes (Brief Psychiatric Rating Scale anxious depression factor, Arbeitsgemeinschaft für Methodik und Dokumentation in der Psychiatrie/depression, and the self-rating Paranoid Depression Scale) after 1 and 2 years of treatment. No differences in depression scores were found between the three treatment strategies. Comparisons between patients treated with neuroleptic drugs at the time and patients without neuroleptics revealed significantly higher depression scores in the neuroleptics group in most comparisons. No differences were found between patients treated with low versus high potency neuroleptics and between oral versus depot neuroleptics. However, depression correlated with extrapyramidal symptoms.

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