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Neuropsychopharmacology. 2013 Nov;38(12):2327-37. doi: 10.1038/npp.2013.152. Epub 2013 Jun 24.

Neuroimaging in psychiatric pharmacogenetics research: the promise and pitfalls.

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1
1] Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, USA [2] Center for Interdisciplinary Research on Nicotine Addiction, Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA.

Abstract

The integration of research on neuroimaging and pharmacogenetics holds promise for improving treatment for neuropsychiatric conditions. Neuroimaging may provide a more sensitive early measure of treatment response in genetically defined patient groups, and could facilitate development of novel therapies based on an improved understanding of pathogenic mechanisms underlying pharmacogenetic associations. This review summarizes progress in efforts to incorporate neuroimaging into genetics and treatment research on major psychiatric disorders, such as schizophrenia, major depressive disorder, bipolar disorder, attention-deficit/hyperactivity disorder, and addiction. Methodological challenges include: performing genetic analyses in small study populations used in imaging studies; inclusion of patients with psychiatric comorbidities; and the extensive variability across studies in neuroimaging protocols, neurobehavioral task probes, and analytic strategies. Moreover, few studies use pharmacogenetic designs that permit testing of genotype × drug effects. As a result of these limitations, few findings have been fully replicated. Future studies that pre-screen participants for genetic variants selected a priori based on drug metabolism and targets have the greatest potential to advance the science and practice of psychiatric treatment.

PMID:
23793356
PMCID:
PMC3799069
DOI:
10.1038/npp.2013.152
[Indexed for MEDLINE]
Free PMC Article
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