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ALDH5A1 variability in opioid dependent patients could influence response to methadone treatment.

Eur Neuropsychopharmacol

March 2014

Institut de Neuropsiquiatria i Addicions, Hospital del Mar, Barcelona, Spain; Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain; Psychiatry and Pharmacology Departments, Autonomous University of Barcelona, Barcelona, Spain. Electronic address:

Methadone maintenance treatment is the most widely-used therapy in opioid dependence, but some patients relapse or drop out from treatment. We genotyped a genetic variant in the succinic semialdehyde dehydrogenase enzyme gene, ALDH5A1, and found that subjects carrying the T variant allele have a higher risk to be nonresponders to methadone treatment (OR=3.16; 95% CI [1.

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