Journal
EUROPEAN NEUROPSYCHOPHARMACOLOGY
Volume 23, Issue 6, Pages 555-560Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.euroneuro.2012.05.006
Keywords
Attention-Deficit/Hyperactivity Disorder; ADHD; Pharmacogenetics; Methylphenidate; Pharmacogenomics; Genetics
Funding
- CNPq
- INCT de Psiquiatria do Desenvolvimento para Criancas e Adolescentes
- FAPERGS
- PRONEX
- FIPE-HCPA
- DECIT/SCTIE/MS/PPSUS
- Eli-Lilly
- Janssen-Cilag
- Novartis
- Shire
- INCT-INPD
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Methylphenidate (MPH) is a first line option in the psychopharmacologic treatment of adults with Attention-Deficit/Hyperactivity Disorder (ADHD). However, there is a considerable proportion of adult patients who do not respond to treatment with MPH or discontinue drug therapy. Since effects of genetic variants in the response to MPH treatment might explain these negative outcomes, we conducted an electronic systematic search of MEDLINE-indexed literature looking for articles containing information about pharmacogenetics of ADHD in adults published until January, 2012. The keywords used were 'ADHD', 'Attention-Deficit/Hyperactivity Disorder' and 'gene' in combination with methylphenidate, amphetamine or atomoxetine. Only 5 pharmacogenetic studies on adult ADHD met inclusion criteria. The results evidenced that most findings obtained so far are negative, and all studies focused on MPH response. There is only one positive result, for a polymorphism at the dopamine transporter gene (DAT1) gene. The current state of the art in adult ADHD implies that pharmacogenetic tests are far from routine clinical practice. However, the integration of these studies with neuroimaging and neuropsycholcigical tests may help to understand mechanisms of drug action and the pathophysiology of ADHD. (c) 2012 Elsevier B.V. and ECNP. All rights reserved.
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