Inhibitory effect of somatostatin on gastric acid secretion and serum gastrin in dogs with and without duodenogastric reflux.

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Abstract
The hypersecretion of gastric acid in response to pentagastrin, caused by duodenal reflux, was tested in dogs. An infusion of 0.25 .mu.g/kg per h resotred the raised responses seen in the reflux dogs to control levels. Somatostatin was a strong inhibitor of pentagastrin-stimulated acid secretion and of gastrin release, but it was a weak inhibitor of histamine. Somatostatin may have played a part in acid homeostasis.