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Gastroenterology. 1994 May;106(5):1168-73.

Effect of intravenous human gastrin-releasing peptide on food intake in humans.

Author information

1
Division of Gastroenterology, University Hospital, Basel, Switzerland.

Abstract

BACKGROUND/AIMS:

Bombesin and gastrin-releasing peptide (GRP) are closely related peptides. Both have been proposed to serve as a satiety signal in animals.

METHODS:

To explore further the role of GRP in humans, its effects on satiety and eating behavior were investigated by infusion of GRP into healthy men at three dosages (10, 40, and 160 pmol/kg per hour) and compared with saline infusions.

RESULTS:

GRP produced a significant reduction in calorie intake (P < 0.05) but only a 19% (nonsignificant) reduction in food intake. Fluid ingestion was not affected by GRP. No overt side effects were produced by GRP, but subjects experienced d less hunger and early fullness in the premeal period during GRP infusion but not when receiving saline (P < 0.05-0.01).

CONCLUSIONS:

This study shows that intravenous infusions of GRP can decrease spontaneous food intake at concentrations that produce physiological effects, such as stimulation of acid or pancreatic secretion or gallbladder contraction. The data imply that GRP-like peptides can act as satiety signals in humans, confirming data previously reported in animals.

Comment in

PMID:
8174879
DOI:
10.1016/0016-5085(94)90006-x
[Indexed for MEDLINE]

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