PMID: 15231553Jul 3, 2004Paper

Fluoxetine therapy in depersonalisation disorder: randomised controlled trial

The British Journal of Psychiatry : the Journal of Mental Science
Daphne SimeonMargaret Knutelska

Abstract

Despite anecdotal reports that serotonin reuptake inhibitors may improve depersonalisation, there is no proven efficacious treatment for depersonalisation disorder. To investigate the efficacy of fluoxetine in the treatment of depersonalisation disorder. Fifty-four people who met DSM-IV criteria for depersonalisation disorder were recruited through newspaper advertisements, and 50 were randomised to a 10-week, double-blind trial of fluoxetine 10-60 mg/day or placebo. Primary outcome measures were the Dissociative Experiences Scale-Depersonalisation Factor, the Depersonalization Severity Scale and the Clinical Global Impression-Improvement (CGI-I) scale. Intention-to-treat analysis revealed that fluoxetine (mean dosage 48 mg/day) was not superior to placebo except for a clinically minimal but statistically significantly greater improvement in CGI-I score in the fluoxetine group prior to covarying for anxiety and depression (2.9 v. 3.6). Depersonalisation was significantly more likely to improve if comorbid anxiety disorder improved. Fluoxetine was not efficacious in treating depersonalisation disorder, despite the commonly reported clinical use of serotonin reuptake inhibitors for this condition.

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Citations

Oct 30, 2009·The American Journal of Clinical Hypnosis·E Hollander Harriet
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