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Related Experiment Videos

Risperidone versus typical antipsychotic medication for schizophrenia.

R H Hunter1, C B Joy, E Kennedy

  • 1Research and Development, Greater Glasgow Primary Care NHS Trust, Gartnavel Royal Hospital, 1055 Great Western Road, Glasgow, Scotland, UK, G12 0XH. robert.hunter@gartnavel.glacomen.scot.nhs.uk

The Cochrane Database of Systematic Reviews
|June 14, 2003
PubMed
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This summary is machine-generated.

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Risperidone, a newer antipsychotic, shows improved clinical outcomes and fewer movement disorders compared to older drugs for schizophrenia. However, it may cause weight gain and rhinitis, necessitating a balance of benefits against costs.

Area of Science:

  • Psychiatry and Pharmacology
  • Clinical Trial Analysis
  • Evidence-Based Medicine

Background:

  • Introduction of risperidone as a 'new generation' antipsychotic.
  • Potential for reduced movement disorders and improved negative symptoms compared to older antipsychotics like chlorpromazine and haloperidol.

Purpose of the Study:

  • To evaluate the efficacy and tolerability of risperidone for schizophrenia.
  • Comparison of risperidone against conventional neuroleptic drugs.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials (RCTs).
  • Updated literature searches in 2002 across multiple databases (e.g., MEDLINE, EMBASE, PsycLIT).
  • Inclusion of RCTs comparing risperidone with conventional neuroleptics for schizophrenia.

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Main Results:

  • Risperidone demonstrated improved clinical outcomes (PANSS scores) and reduced relapse rates compared to haloperidol in short- and long-term studies.
  • Significantly fewer general movement disorders and reduced use of antiparkinsonian drugs with risperidone.
  • Increased weight gain and rhinitis were observed with risperidone; sexual dysfunction rates were comparable to haloperidol.

Conclusions:

  • Risperidone may offer improved acceptability and marginal clinical benefits over older antipsychotics, with a potentially better adverse effect profile than haloperidol.
  • The benefits of risperidone must be weighed against its higher cost and increased risk of weight gain.
  • Further independent replication of long-term data on relapse reduction is warranted.