Contribution of Common Genetic Variants to Antidepressant Response

Katherine E Tansey, Michel Guipponi, Xiaolan Hu, Enrico Domenici, Glyn Lewis, Alain Malafosse, Jens R Wendland, Cathryn M Lewis, Peter McGuffin, Rudolf Uher

Research output: Contribution to journalArticlepeer-review

195 Citations (Scopus)

Abstract

Background
Pharmacogenetic studies aiming to personalize the treatment of depression are based on the assumption that response to antidepressants is a heritable trait, but there is no compelling evidence to support this.

Methods
We estimate the contribution of common genetic variation to antidepressant response with Genome-Wide Complex Trait Analysis in a combined sample of 2799 antidepressant-treated subjects with major depressive disorder and genome-wide genotype data.

Results
We find that common genetic variants explain 42% (SE = .180, p = .009) of individual differences in antidepressant response.

Conclusions
These results suggest that response to antidepressants is a complex trait with substantial contribution from a large number of common genetic variants of small effect.
Original languageEnglish
Article numberN/A
Pages (from-to)679-682
Number of pages4
JournalBiological psychiatry
Volume73
Issue number7
Early online date11 Dec 2012
DOIs
Publication statusPublished - 1 Apr 2013

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