Alcoholism, clinical and experimental research · 2005
Ghrelin levels are increased in alcoholism.
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Kraus Thomas, Schanze Anja, Gröschl Michael, Bayerlein Kristina, Hillemacher Thomas, Reulbach Udo, Kornhuber Johannes, Bleich Stefan
Аннотация
BACKGROUND: The neuropeptides leptin and ghrelin are involved in the appetite regulating network consisting of distinct orexigenic (ghrelin) and anorexigenic (leptin) circuitries. Recently, it has been shown that elevated leptin levels are associated with alcohol craving in patients suffering from alcoholism. Therefore, the aim of the present pilot study was to determine whether the gut-derived peptide ghrelin which increases hunger and food intake is altered and associated with alcohol craving in alcoholic patients
METHODS: Two types of alcoholic inpatients, group A (active drinker, acutely intoxicated, n=97) and group B (early abstainer, who had stopped drinking 24-72 hrs before, n=21) were consecutively included in a prospective study from the first day of hospitalization. Ghrelin plasma levels and craving data were assessed on days 0, 1, 2 and 7(-10) and compared to those of 24 healthy controls
RESULTS: At each time-point ghrelin plasma levels of alcoholic patients were significantly increased compared to healthy subjects. Furthermore, early abstainers showed significantly higher ghrelin levels than active drinkers. In the group of active drinkers ghrelin plasma levels were significantly increased at each time point compared to baseline. No correlations were found between ghrelin levels and craving data measured by the visual analogue scale or the Obsessive Compulsive Drinking Scale
CONCLUSIONS: Ghrelin levels are elevated in alcoholism and seem to further increase during alcohol withdrawal. However, ghrelin levels do not seem to be associated with alcohol craving.
METHODS: Two types of alcoholic inpatients, group A (active drinker, acutely intoxicated, n=97) and group B (early abstainer, who had stopped drinking 24-72 hrs before, n=21) were consecutively included in a prospective study from the first day of hospitalization. Ghrelin plasma levels and craving data were assessed on days 0, 1, 2 and 7(-10) and compared to those of 24 healthy controls
RESULTS: At each time-point ghrelin plasma levels of alcoholic patients were significantly increased compared to healthy subjects. Furthermore, early abstainers showed significantly higher ghrelin levels than active drinkers. In the group of active drinkers ghrelin plasma levels were significantly increased at each time point compared to baseline. No correlations were found between ghrelin levels and craving data measured by the visual analogue scale or the Obsessive Compulsive Drinking Scale
CONCLUSIONS: Ghrelin levels are elevated in alcoholism and seem to further increase during alcohol withdrawal. However, ghrelin levels do not seem to be associated with alcohol craving.