Author(s): Durham RC, Guthrie M, Morton RV, Reid DA, Treliving LR,
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Abstract BACKGROUND: Evidence for the efficacy of cognitive-behavioural therapy for schizophrenia is promising but evidence for clinical effectiveness is limited. AIMS: To test the effectiveness of cognitive-behavioural therapy delivered by clinical nurse specialists in routine practice. METHOD: Of 274 referrals, 66 were allocated randomly to 9 months of treatment as usual (TAU), cognitive-behavioural therapy plus TAU (CBT) or supportive psychotherapy plus TAU (SPT) and followed up for 3 months. RESULTS: Treatment effects were modest but the CBT condition gave significantly greater improvement in overall symptom severity than the SPT or TAU conditions combined (F (1,53)=4.14; P=0.05). Both the CBT and SPT conditions combined gave significantly greater improvement in severity of delusions than did the TAU condition (F (1,53)=4.83; P=0.03). Clinically significant improvements were achieved by 7/21 in the CBT condition (33\%), 3/19 in the SPT condition (16\%) and 2/17 in the TAU condition (12\%). CONCLUSIONS: Cognitive-behavioural therapy delivered by clinical nurse specialists is a helpful adjunct to routine care for some people with chronic psychosis.
This article was published in Br J Psychiatry
and referenced in International Journal of School and Cognitive Psychology