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Treatment response in major depression: effects of personality dysfunction and prior depression

  • P. Gorwood (a1), F. Rouillon (a1), C. Even (a1), B. Falissard (a2), E. Corruble (a3) and P. Moran (a4)...

Abstract

Background

The impact of personality dysfunction on the outcome of treatment for depression remains debated.

Aims

To examine the relationship between the number of prior depressive episodes, personality dysfunction and treatment response for depression.

Method

In a large sample (n = 8229) of adult out-patients with a major depressive episode (DSM–IV), personality dysfunction was assessed using the Standardised Assessment of Personality – Abbreviated Scale (SAPAS). Potential predictors of treatment response at 6 weeks were examined via structural equation modelling.

Results

The amount of personality dysfunction and number of prior episodes of depression were both associated with poor response to treatment. Once personality dysfunction was controlled for, the number of prior episodes of depression was not associated with treatment response.

Conclusions

Personality dysfunction is associated with impaired short-term response to antidepressant treatment in major depression. The apparent detrimental effect of prior depression on treatment response may be accounted for by pre-existing personality dysfunction.

Copyright

Corresponding author

Philip Gorwood, MD, PhD, INSERM U675, CMME-Sainte-Anne Hospital, 100 rue de la Santé, 75014 Paris, France. Email: p.gorwood@ch-sainte-anne.fr

Footnotes

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The present work was supported by a research grant from Servier.

Declaration of interest

P.G. has received grants from Eli Lilly and Servier, honoraria from Bristol-Myers Squibb, Lundbeck, Servier and UCB-Pharma and has participated in advisory boards for Janssen, Servier and Wyeth.

Footnotes

References

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Treatment response in major depression: effects of personality dysfunction and prior depression

  • P. Gorwood (a1), F. Rouillon (a1), C. Even (a1), B. Falissard (a2), E. Corruble (a3) and P. Moran (a4)...
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