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Related Experiment Videos

Fixed-dosed risperidone in mania: an open experimental trial.

R W Licht1, M Bysted, H Christensen

  • 1Mood Disorders Research Unit, Aarhus University Psychiatric Hospital, Risskov, Denmark. rl@psykiatri.aaa.dk

International Clinical Psychopharmacology
|March 10, 2001
PubMed
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Risperidone effectively treated mania symptoms in inpatients, showing significant improvement on the Bech-Rafaelsen Mania Scale (MAS). This antipsychotic demonstrated comparable side effects to zuclopenthixol, warranting further research.

Area of Science:

  • Psychiatry
  • Pharmacology

Background:

  • Mania is a core symptom of bipolar disorder, characterized by elevated mood and energy.
  • Current treatments for mania have limitations, necessitating exploration of novel therapeutic options.

Purpose of the Study:

  • To evaluate the efficacy and tolerance of risperidone for treating manic episodes.
  • To compare risperidone's effectiveness against a typical antipsychotic, zuclopenthixol.

Main Methods:

  • A 4-week open-label study involving 14 inpatients with DSM-IV manic episodes treated with 6 mg/day risperidone.
  • Serum concentrations monitored weekly to ensure compliance.
  • Comparison with a historic control group treated with zuclopenthixol (20 mg/day).

Main Results:

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  • Ten of 14 patients completed the study, with all achieving at least a 75% reduction in Bech-Rafaelsen Mania Scale (MAS) scores.
  • Significant improvements observed across other measures, with no patient showing worsening.
  • Risperidone showed a statistically significant greater mean percentage improvement on the MAS compared to zuclopenthixol (34.7% difference).

Conclusions:

  • Risperidone appears to be an effective and well-tolerated treatment for mania.
  • The findings support further investigation through randomized controlled trials to confirm risperidone's role in mania management.