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Evidence-Based Mental Health 2009;12:13; doi:10.1136/ebmh.12.1.13
Copyright © 2009 by BMJ Publishing Group Ltd, Royal College of Psychiatrists, & British Psychological Society.

THERAPEUTICS

Antipsychotic medications do not differ substantially in ability to reduce violent behaviour in people with schizophrenia

The first 150 words of the full text of this article appear below.

QUESTION

Question:

Do antipsychotic medications differ in the ability to reduce violent behaviour in people with schizophrenia?

Patients:

1493 adults with schizophrenia (DSM-IV), aged 18–65 years. Detailed inclusion and exclusion criteria are not reported in this article.

Setting:

The NIMH Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) project; 57 US sites (academic and community); January 2001–December 2004.

Intervention:

Olanzapine (7.5 mg capsule), quetiapine (200 mg capsule), risperidone (1.5 mg), perphenazine (8 mg capsule) or ziprasidone (40 mg capsule). Doses were altered according to clinical judgement, with up to 4 capsules given daily.

Outcomes:

Primary outcome: change in violent behaviour from baseline to 6 months (MacArthur Community Violence Interview—a combined measure of minor (eg, assault without injury) and serious (eg, assault with a weapon) violent behaviours). Information was collected from both the participant and family members.

Patient follow-up:

45% of participants completed 6 months of treatment and were included in the retained sample; 97% were included in the intention . . . [Full text of this article]

Nancy H Covell

New York State Psychiatric Institute/Research Foundation for Mental Hygiene, Inc, and Connecticut Department of Mental Health and Addiction Services Research Division, New York City and Hartford, Connecticut, USA


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