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Br J Psychiatry. 2013 Feb;202:129-34. doi: 10.1192/bjp.bp.112.108670. Epub 2012 Dec 6.

Cognitive analytic therapy for personality disorder: randomised controlled trial.

Author information

1
St Ann's Hospital, 69 Haven Road, Canford Cliffs, Poole, UK. susan.clarke@dhuft.nhs.uk

Abstract

BACKGROUND:

Cognitive analytic therapy (CAT) is a theoretically coherent approach developed to address common processes underlying personality disorders, but is supported by limited empirical evidence.

AIMS:

To investigate the effectiveness of time-limited CAT for participants with personality disorder.

METHOD:

A service-based randomised controlled trial (trial registration: ISRCTN79596618) comparing 24 sessions of CAT (n = 38) and treatment as usual (TAU) (n = 40) over 10 months for individuals with personality disorder. Primary outcomes were measures of psychological symptoms and interpersonal difficulties.

RESULTS:

Participants receiving CAT showed reduced symptoms and experienced substantial benefits compared with TAU controls, who showed signs of deterioration during the treatment period.

CONCLUSIONS:

Cognitive analytic therapy is more effective than TAU in improving outcomes associated with personality disorder. More elaborate and controlled evaluations of CAT are needed in the future.

PMID:
23222038
DOI:
10.1192/bjp.bp.112.108670
[Indexed for MEDLINE]

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