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  • Title: Comparative efficacies of fluoxetine and paroxetine in major depression across varying acute-phase treatment periods: a meta-analysis.
    Author: Wang Y, Yu L, Xie J, Chen J, Wei Q.
    Journal: Asia Pac Psychiatry; 2014 Dec; 6(4):353-62. PubMed ID: 24150924.
    Abstract:
    INTRODUCTION: Previous studies have shown that varying acute-phase treatment periods of fluoxetine and paroxetine can result in varying antidepressive effects. We therefore did a meta-analysis to ascertain the efficacy of fluoxetine versus paroxetine for depression by varying acute-phase treatment periods. METHODS: PubMed, CCTR, Web of Science, Embase, CBM-disc, and CNKI were searched up to March 2013. The key search terms were "depression," "paroxetine," and "fluoxetine." No language restriction was imposed. RESULTS: We included 17 studies with 3,110 patients. Three treatment period subgroups were created: 6, 8/10, and 12 weeks. In the 6-week subgroup, paroxetine was more efficacious than fluoxetine (odds ratio [OR]: 0.74; P < 0.05). In the 8/10-week subgroup, two drugs displayed comparative efficacy (OR, 0.85; P > 0.05). In the 12-week subgroup, fluoxetine was more efficacious than paroxetine (OR: 1.25; P < 0.05). There were no significant differences in acceptability. Significant heterogeneity and potential publication bias did not exist. CONCLUSIONS: Patients' economic conditions, individual preference, and side effects of fluoxetine and paroxetine can be obstacles of successful treatment. Inappropriate acute-phase treatment, such as inadequate treatment periods, may result in pseudoresistance. Clinicians should take these information into consideration when prescribe fluoxetine or paroxetine for patients. Our results can aid clinicians in making an optimal treatment plan to increase odds of response.
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