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Br J Psychiatry. 2008 Feb;192(2):124-9. doi: 10.1192/bjp.bp.107.037234.

Antidepressant medications v. cognitive therapy in people with depression with or without personality disorder.

Author information

  • 1Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104-6196, USA.

Abstract

BACKGROUND:

There is conflicting evidence about comorbid personality pathology in depression treatments.

AIMS:

To test the effects of antidepressant drugs and cognitive therapy in people with depression distinguished by the presence or absence of personality disorder.

METHOD:

Random assignment of 180 out-patients with depression to 16 weeks of antidepressant medication or cognitive therapy. Random assignment of medication responders to continued medication or placebo, and comparison with cognitive therapy responders over a 12-month period.

RESULTS:

Personality disorder status led to differential response at 16 weeks; 66% v. 44% (antidepressants v. cognitive therapy respectively) for people with personality disorder, and 49% v. 70% (antidepressants v. cognitive therapy respectively) for people without personality disorder. For people with personality disorder, sustained response rates over the 12-month follow-up were nearly identical (38%) in the prior cognitive therapy and continuation-medication treatment arms. People with personality disorder withdrawn from medication evidenced the lowest sustained response rate (6%). Despite the poor response of people with personality disorder to cognitive therapy, nearly all those who did respond sustained their response.

CONCLUSIONS:

Comorbid personality disorder was associated with differential initial response rates and sustained response rates for two well-validated treatments for depression.

PMID:
18245030
[PubMed - indexed for MEDLINE]
PMCID:
PMC2682552
Free PMC Article

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