Abstract:
BACKGROUND:Recent data suggest that ghrelin is involved in the pathophysiology of alcohol use disorders, affecting alcohol self-administration and craving. Gastric ghrelin secretion is reduced by stomach distension. We now tested the hypothesis whether the clinically well-known effects of high-volume water intake on craving reduction in alcoholism is mediated by acute changes in ghrelin secretion. METHODS:In this randomized human laboratory study, we included 23 alcohol-dependent male inpatient subjects who underwent alcohol cue exposure. Participants of the intervention group drank 1000ml of mineral water within 10min directly thereafter, compared to the participants of the control group who did not. Craving and plasma concentrations of acetylated ghrelin were measured ten times during the 120min following the alcohol cue exposure session. RESULTS:In the intervention group, a significant decrease in acetylated ghrelin in plasma compared to the control group was observed. This decrease was correlated to a reduction in patients' subjective level of craving. In the control group, no decrease of acetylated ghrelin in plasma and no association between alcohol craving and changes in plasma concentrations of acetylated ghrelin were observed. CONCLUSIONS:Our results present new evidence that the modulation in the ghrelin system by oral water intake mediates the effects of volume intake with craving reduction in alcohol use disorders. Hence, in addition to pharmacological interventions with ghrelin antagonists, the reduction of physiological ghrelin secretion might be a target for future interventions in the treatment of alcohol craving.
journal_name
Psychoneuroendocrinologyjournal_title
Psychoneuroendocrinologyauthors
Koopmann A,Lippmann K,Schuster R,Reinhard I,Bach P,Weil G,Rietschel M,Witt SH,Wiedemann K,Kiefer Fdoi
10.1016/j.psyneuen.2017.08.005subject
Has Abstractpub_date
2017-11-01 00:00:00pages
56-62eissn
0306-4530issn
1873-3360pii
S0306-4530(17)30550-4journal_volume
85pub_type
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