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Journal Article

Citation

Silva H, Iturra P, Solari A, Villarroel J, Jerez S, Vielma W, Montes C, Pumarino L, Roa N. Actas Esp. Psiquiatr. 2007; 35(6): 387-392.

Affiliation

Clínica Psiquiátrica Universitaria, Hospital Clínico, Universidad de Chile. hsilva@med.uchile.cl

Copyright

(Copyright © 2007, STM Editores)

DOI

unavailable

PMID

17597424

Abstract

INTRODUCTION: Impulsiveness and aggressiveness are characteristics of borderline personality disorder and are associated to a serotoninergic system dysfunction. Serotonin transporter polymorphisms have been linked to aggressive and impulsive behaviors. The short allele (S) in depression is associated to a worse response to selective serotonin reuptake inhibitors (SSRI). This study aims to study these polymorphisms to predict the response of aggressive and impulsive behaviors to SSRIs in borderline personality disorder. METHOD: Fifty-nine patients with DSM-IV borderline personality disorder in accordance with the International Personality Disorder Examination (IPDE) and without axis 1 disease were treated with flexible doses of fluoxetine for 12 weeks. The patients were evaluated with the Overt Aggression Scale Modified (OAS-M) at the beginning and at 2, 4, 8 and 12 weeks of treatment. Polymorphisms L and S of the serotonin transporter promoter region were determined. Response to fluoxetine of the LL carriers versus the S carriers (LS+SS) was compared. RESULTS: LL carriers had a better response than S carriers in the reduction of total OAS-M scores and on the aggressiveness and irritability components of the OAS-M. CONCLUSIONS: L-allele carriers responded better to fluoxetine than S carriers, in a similar way as in depression. The S allele may represent a common factor of bad response to SSRI in diseases associated to serotoninergic system dysfunction.


Language: en

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