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Related Experiment Videos

Benzodiazepines for schizophrenia.

A Volz1, V Khorsand, D Gillies

  • 1Klinikum rechts der Isar der TU-München, Klinik für Psychiatrie und Psychotherapie, Ismaninger Str. 22, München, Germany, 81675. a.volz@gmx.de

The Cochrane Database of Systematic Reviews
|January 27, 2007
PubMed
Summary
This summary is machine-generated.

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Benzodiazepines show limited effectiveness for schizophrenia treatment, offering only short-term sedation. Current evidence is insufficient to recommend them as sole or add-on therapy, necessitating further research.

Area of Science:

  • Psychiatry
  • Pharmacology

Background:

  • Schizophrenia treatment often involves add-on medications when standard antipsychotics are insufficient.
  • Benzodiazepines are one such class of drugs explored for adjunctive therapy.

Purpose of the Study:

  • To systematically review the efficacy and safety of benzodiazepines in treating schizophrenia and schizophrenia-like psychoses.

Main Methods:

  • Conducted a comprehensive search of the Cochrane Schizophrenia Group's register up to March 2005.
  • Included 31 randomized controlled trials (RCTs) comparing benzodiazepines with antipsychotics or placebo, as sole or adjunctive treatment.
  • Analyzed dichotomous and continuous data using relative risks, confidence intervals, and number needed to treat/harm.

Main Results:

Related Experiment Videos

  • Benzodiazepines showed a clinically significant response compared to placebo in a subset of studies, but data were inconsistently reported.
  • No significant advantage of benzodiazepines over antipsychotics as a sole treatment was found for global state improvement.
  • Short-term sedation was more frequent with benzodiazepines, but augmentation with benzodiazepines provided only transient benefits and increased somnolence.

Conclusions:

  • Current randomized trial evidence is inadequate to support benzodiazepines as a sole or adjunctive treatment for schizophrenia.
  • The primary observed effect is short-term sedation, with inconclusive evidence for augmentation benefits.
  • Larger, well-designed trials are needed to evaluate clinical response, mental state, aggression, and adverse events.