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Meta-Analysis
. 2010 Nov;12(7):702-6.
doi: 10.1111/j.1399-5618.2010.00864.x.

The pharmacogenetics of antidepressant-induced mania: a systematic review and meta-analysis

Federico M Daray  1 , Sairah B Thommi, S Nassir Ghaemi
Affiliations
Meta-Analysis

The pharmacogenetics of antidepressant-induced mania: a systematic review and meta-analysis

Federico M Daray et al. Bipolar Disord. 2010 Nov.

Abstract

Objective: Antidepressant-induced mania (AIM) has been associated with the serotonin-transporter-linked promoter region (5-HTTLPR) polymorphism in some studies but not in others. We conducted a meta-analysis of those studies and other studies of genetic predictors of AIM.

Methods: MEDLINE-based searches of genetic studies of AIM were conducted, and a meta-analysis of six studies of 5-HTTLPR was performed. Other polymorphisms were insufficiently studied to allow for meta-analysis.

Results: There was an association of the short (s) variant of 5-HTTLPR and AIM [risk ratio (RR) = 1.35, 95% confidence interval (CI): 1.04-1.76, p=0.02]. There was a higher frequency of s carriers (sl and ss genotypes) in those who developed AIM [RR = 1.38, 95% CI: 0.98-1.93), p=0.06].

Conclusion: The 5-HTTLPR polymorphism appears to have a moderate effect size association with AIM in patients with bipolar disorder.

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