Abstract
Various studies have reported a role of the serotonin transporter-linked polymorphic region (5-HTTLPR) in alcoholism. The present study investigated an association of this polymorphism with obsessive-compulsive alcohol craving in 124 male patients admitted for alcohol detoxification treatment. We found significantly higher compulsive craving in patients with the long allele of the 5-HTTLPR polymorphism [at admission: analysis of variance (ANOVA): F = 3.48, P = 0.034, general linear model: F = 3.92, P = 0.023; after 7 days: ANOVA: F = 3.12, P = 0.049]. Our results suggest that the long variant of the 5-HTTLPR polymorphism is associated with higher compulsive alcohol craving at the beginning of alcohol withdrawal.
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