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- W2336057579 abstract "Abstract Increasing evidence supports the role of appetite-regulating pathways, including ghrelin and leptin, in alcoholism. This study tested the hypothesis that intravenous exogenous ghrelin administration acutely decreases endogenous serum leptin levels, and that changes in leptin levels negatively correlate with alcohol craving. This was a double-blind, placebo-controlled human laboratory study. Non-treatment-seeking, alcohol-dependent, heavy drinkers ( n =45) were randomized to receive intravenous ghrelin or placebo, followed by a cue-reactivity procedure, during which participants were exposed to neutral (juice) and alcohol trial cues. There was a main effect for intravenous ghrelin administration, compared with placebo, in reducing serum leptin levels ( P <0.01). Post hoc analysis showed significant differences in serum leptin levels at the alcohol trial ( P <0.05) that persisted at the end of the experiment ( P <0.05). By contrast, there were no significant differences in serum leptin levels at the juice trial ( P =not significant (NS)). The change of serum leptin level at the alcohol trial correlated with the increase in alcohol urge ( P <0.05), whereas urge to drink juice was not correlated with the leptin change at the juice trial ( P =NS). These findings provide preliminary evidence of ghrelin–leptin cross-talk in alcoholic individuals and suggest that their relationship may have a role in alcohol craving." @default.
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- W2336057579 date "2015-09-29" @default.
- W2336057579 modified "2023-10-02" @default.
- W2336057579 title "Leptin levels are reduced by intravenous ghrelin administration and correlated with cue-induced alcohol craving" @default.
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- W2336057579 doi "https://doi.org/10.1038/tp.2015.140" @default.
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