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Correspondence to: Professor Peter Tyrer, Department of Psychological Medicine, Imperial, St Dunstan’s Road, London W6 8RP, UK; firstname.lastname@example.org
Do risperidone or haloperidol reduce aggressive challenging behaviour more than placebo in people with intellectual disability?
86 adults with intellectual disability (intelligence quotient <75) and aggressive challenging behaviour (⩾2 episodes of aggressive behaviour, modified overt aggression scale (MOAS) score ⩾4 in past 7 days), but who had not received a clinical diagnosis of psychosis. Exclusions: depot or injected antipsychotics in the past 3 months, oral antipsychotics in the past week; currently sectioned under the Mental Health Act.
Ten centres in the UK and one centre in Australia; recruitment 2002–6.
Risperidone, haloperidol or placebo for 12 weeks, with the option to continue to 26 weeks. Drug dosage could be adjusted by the clinician (risperidone dose …
Source of funding: National Coordinating Centre for Health Technology Assessments.
▸Additional notes are published online only at http://ebmh.bmj.com/content/vol11/issue3
Competing interests: None.
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