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Friday 06 July 2007

Are there any differences in the efficacy among second generation antipsychotics in the treatment of schizophrenia and related disorders?

By: Motlová L, Spaniel F, Höschl C, Balon R.

Ann Clin Psychiatry 2007 Apr-Jun;19(2):133-43

BACKGROUND: The goal of this review is to summarize the results of head to head efficacy studies that compare second generation antipsychotics in the treatment of schizophrenia and related disorders. METHODS: A literature search through the Medline database and Google was conducted. Articles published up to September 2005 were included. Abstracts from conference papers and posters were not included. RESULTS: Randomized controlled trial data on possible differences in efficacy among atypical antipsychotics are limited. Moreover, the comparison is difficult, as studies differ in outcome measures. The results indicate that first-line second-generation antipsychotics (amisulpride, aripiprazole, olanzapine, quetiapine, risperidone, ziprasidone and zotepine) show comparable efficacy. CONCLUSION: Possible new studies should focus on long-term effects, including cost-effectiveness, quality of life, social functioning and service utilization.

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