Abstract The present study reports the results of an open-label trial on the use of the combination of olanzapine (an atypical antipsychotic) serotonin reuptake inhibitors (SRIs) in 26 resistant outpatients affected by resistant obsessive-compulsive disorder (OCD). All patients had been suffering from OCD, according to DSM IV criteria, for at least 2 years and had different comorbid disorders; they had been treated with an SRI at adequate dosages for at least 6 months, or had tried different augmentation strategies with no or poor response. As a result, olanzapine was added and continued for 1 year. After 12 weeks of this regimen, most of the patients (17) had shown a reduction in OC symptoms, as assessed by a decrease in the Yale-Brown Obsessive Compulsive Scale total score, which continued throughout subsequent months. Only mild side-effects were recorded and no patient halted the treatment. The addition of olanzapine would appear to be a useful short- and long-term strategy for augmenting SRI effectiveness in resistant OCD patients, especially in those presenting comorbidity with bipolar disorders.

Augmentation strategy with olanzapine in resistant obsessive compulsive disorder: an Italian long-term open-label study

DELL'OSSO, LILIANA;CIAPPARELLI, ANTONIO;
2005

Abstract

Abstract The present study reports the results of an open-label trial on the use of the combination of olanzapine (an atypical antipsychotic) serotonin reuptake inhibitors (SRIs) in 26 resistant outpatients affected by resistant obsessive-compulsive disorder (OCD). All patients had been suffering from OCD, according to DSM IV criteria, for at least 2 years and had different comorbid disorders; they had been treated with an SRI at adequate dosages for at least 6 months, or had tried different augmentation strategies with no or poor response. As a result, olanzapine was added and continued for 1 year. After 12 weeks of this regimen, most of the patients (17) had shown a reduction in OC symptoms, as assessed by a decrease in the Yale-Brown Obsessive Compulsive Scale total score, which continued throughout subsequent months. Only mild side-effects were recorded and no patient halted the treatment. The addition of olanzapine would appear to be a useful short- and long-term strategy for augmenting SRI effectiveness in resistant OCD patients, especially in those presenting comorbidity with bipolar disorders.
Marazziti, D; Pfanner, C; Dell'Osso, Liliana; Ciapparelli, Antonio; Presta, S; Corretti, G; DI NASSO, E; Mungai, F; Dell'Osso, L.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/203822
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