Attributes of response in depressed patients switched to treatment with duloxetine

D. Sagman, D. McIntosh, Min-Soo Lee, H. Li, S. Ruschel, N. Hussain, R. E. Granger, A. C. Lee, J. Raskin

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    17 Citations (Scopus)


    Background: This study was designed to assess clinical and functional outcomes associated with switching to duloxetine treatment in patients with major depressive disorder (MDD) experiencing emotional and painful physical symptoms in their current episode. Methods: In this 8-week, multinational, multicentre, single-arm, open-label clinical trial, 242 MDD patients were switched to duloxetine 60 mg/day after selective serotonin reuptake inhibitor (SSRI) or serotonin and norepinephrine reuptake inhibitor (SNRI) treatment. The primary analysis compared mean change from baseline in Brief Pain Inventory - Modified Short Form (BPI-SF) interference score between initial responders [> 50% reduction from baseline on the 17-item Hamilton Depression Rating Scale (HAMD 17) Maier subscale] and initial non-responders after 4 weeks. Initial responders continued with duloxetine 60 mg/day. Initial non-responders received duloxetine 120 mg/day for the remaining 4 weeks. Depression, pain, anxiety and functional outcomes were also compared after 8 weeks. Results: BPI-SF interference decreased. from baseline in initial responders (n = 108) and initial non-responders (n = 85) after 4 weeks of duloxetine treatment, with greater reductions in initial responders [BPI-SF mean difference in reduction: 1.01 (95% CI 0.42-1.61); p < 0.001]. Reductions in pain interference favouring initial responders were also apparent after 8 weeks [0.68 (95% CI: 0.03-1.33); p = 0.042]. Depression, pain, anxiety and function improved over 8 weeks across patient groups. Conclusions: Elements of core mood and pain are important residual symptoms following poor treatment response in MDD. Early improvement in these symptoms after switching to duloxetine indicated an increased chance of functional recovery.

    Original languageEnglish
    Pages (from-to)73-81
    Number of pages9
    JournalInternational Journal of Clinical Practice
    Issue number1
    Publication statusPublished - 2011 Jan 1

    ASJC Scopus subject areas

    • General Medicine


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