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29 - Pharmacogenetics and mood disorders

from Section 5 - The promise of biomarkers and response prediction

Published online by Cambridge University Press:  05 May 2013

By
Gonzalo Laje  and
Francis J. McMahon
Edited by
J. John Mann
Edited in association with
Patrick J. McGrath  and
Steven P. Roose
J. John Mann
Affiliation:
Columbia University, New York
Patrick J. McGrath
Affiliation:
Columbia University, New York
Steven P. Roose
Affiliation:
Columbia University, New York
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Summary

This chapter reviews some of the key considerations of pharmacogenetics in the treatment of mood disorders. There have been a number of small studies aimed at finding genetic markers of antidepressant treatment outcome. If the serotonin transporter (SLC6A4) is the most studied gene in psychiatry, a functional polymorphism in its promoter region (known as the linked polymorphic region (LPR)), is the most studied genetic marker. Variation in brain-derived neurotrophic factor (BDNF) has been thought to play a role in the etiology of affective disorders and the mediation of antidepressant treatment response. Genome-wide association studies (GWAS) are a relatively new kind of genetic study that take advantage of large numbers of highly informative genetic markers, spread across each chromosome. Adverse events occur with all pharmacological treatments. Two groups of antidepressant-associated adverse events have been studied in large samples: treatment-emergent suicidal ideation (TESI) and sexual dysfunction (SD).
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Chapter
Information
Clinical Handbook for the Management of Mood Disorders , pp. 368 - 379
Publisher: Cambridge University Press
Print publication year: 2013

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