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  • Title: A small dose of somatostatin inhibits the pentagastrin stimulated gastric secretion of acid, pepsin and intrinsic factor in man.
    Author: Schrumpf E, Vatn MH, Hanssen KF, Myren J.
    Journal: Clin Endocrinol (Oxf); 1978 May; 8(5):391-5. PubMed ID: 348347.
    Abstract:
    The effect of a small dose of somatostatin (0.05 mg/h) on the gastric secretion of acid, pepsin and Intrinsic Factor (IF) after stepwise increases in the dose of pentagastrin was examined in six healthy volunteers. The gastric secretion of acid, pepsin and IF in response to pentagastrin was significantly reduced by a continuous infusion of somatostatin. The pattern of inhibition indicates that somatostatin is a competitive inhibitor of pentagastrin in the stimulation of gastric secretion of both acid, pepsin and IF. This finding supports the hypothesis of a direct effect of somatostatin on the exocrine secretory cells of the stomach.
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