Comparative clinical profile of mirtazapine and duloxetine in practical clinical settings in Japan: A 4-week open-label, parallel-group study of major depressive disorder

Kei Nagao, Taro Kishi, Masatsugu Moriwaki, Kiyoshi Fujita, Shigeki Hirano, Yoshio Yamanouchi, Toshihiko Funahashi, Nakao Iwata

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

No studies have compared mirtazapine with duloxetine in patients with major depressive disorder (MDD). Fifty-six patients were nonrandomly assigned to a 4-week treatment with either 15 to 45 mg/day of mirtazapine (n = 22) or 20 to 60 mg/day of duloxetine (n=34). The primary efficacy measurements were the Hamilton Rating Scale for Depression (HRSD) and the Montgomery-Åsberg Depression 6-point Rating Scale (MADRS) scores. The second efficacy measurements were the response and remission rates of treatment. Tolerability assessments were also performed. Fifty-six patients (43 male; age, 43.6 years) were recruited. There was no significant difference in the discontinuation rate between the mirtazapine and duloxetine treatment groups (P = 0.867). Both mirtazapine and duloxetine significantly improved the HRSD and MADRS scores from baseline (P 0.0001-0.0004). While mirtazapine was superior to duloxetine in the reduction of HRSD scores (P = 0.0421), there was no significant change in MADRS scores in terms of between-group differences (P = 0.171). While more somnolence was observed with mirtazapine (P = 0.0399), more nausea was associated with duloxetine (P = 0.0089). No serious adverse events were observed for either antidepressant. Mirtazapine and duloxetine were safe and well-tolerated treatments for Japanese patients with MDD. Double-blind controlled studies are needed to further explore the efficacy and safety of mirtazapine and duloxetine in Japanese patients with MDD.

Original languageEnglish
Pages (from-to)781-786
Number of pages6
JournalNeuropsychiatric Disease and Treatment
Volume9
DOIs
Publication statusPublished - 04-06-2013

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health
  • Biological Psychiatry

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