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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2012, Vol. 17 ›› Issue (9): 1042-1047.

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Quetiapine(QUE) augmentation of selective serotonin reuptake inhibitors (SSRIs) on initial phase for drugfree obsessive-compulsive disorder(OCD):about dropout

WANG Ji-hui, WU Xiao-li, GAN Zhao-yu, WEN Sheng-lin   

  1. Department of Psychiatry, Third Affiliated Hospital of Sun-Yat Sen University, Guangzhou 510630, Guangdong,China
  • Received:2012-04-05 Revised:2012-05-21 Published:2012-09-25

Abstract: AIM: To evaluate the impact of quetiapine augmentation of selective serotonin reuptake inhibitors (SSRIs) on dropout in drugfree obsessive-compulsive disorder(OCD) patients in real practice. METHODS: 146 drugfree OCD patients who were prescribed SSRIs either alone or with quetiapine on initial phase were investigated retrospectively about dropout and relevant information. Dropout was defined as treatment interruption prior to the end of the first 12 week treatment period. Symptom Checklist-90 (SCL-90) were assessed on baseline. Chisquare and Mann-Whitney tests were used to compare the difference between dropouts and completers. Prediction of dropout was conducted using logistic regression analysis. Variables with a P value<0.05 with respect to the difference between dropouts and completers in this initial analysis were included in the logistic regression analysis where dropout was the response variable. RESULTS: The patients who were prescribed SSRIs+QUE on initial phase were less likely to drop out than those who were prescribed only SSRIs(dropout rates, 40% vs 70.4%,χ2=9.37,P<0.01). According to the result of the logistic regression analysis, the initial prescription type(P<0.01)and the severity of pretreatment OCD symptoms(P<0.01) were significantly associated with the probability of dropout. CONCLUSION: SSRIs+QUE therapy on initial phase could decrease the dropout from treatment for drugfree OCD patients, which meant OCD patients would have more chance to benefit from continuing treatment .

Key words: Obsessive-compulsive disorder, Dropout, Quetiapine, Treatment

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