THIS study has been conducted to evaluate the effect of orally administered enterogastrone on a series of dogs in which jejunal ulcer had been produced by the Mann-Williamson operation. Previous study of a similar nature by others1 has shown that enterogastrone exerts a prophylactic, therapeutic and "immunizing" effect on the experimental Mann-Williamson ulcer when administered parenterally and orally. Recently Ivy and associates2 reported a beneficial effect from enterogastrone in preventing recurrence of ulcer in the treatment of patients.
Enterogastrone is a hormone prepared from small intestine mucosa and exerts an inhibiting (or chalonic) effect on gastric motility and secretion. First prepared by Kosaka and Lim3 from the mucosa of the small intestine of dogs, it was subsequently prepared in purer form by Gray, Bradley and Ivy4 from the mucosa of small intestine of hogs.
The routine Mann-Williamson operation, as reported in a separate publication,5
SALTZSTEIN HC, SANDWEISS DJ, HAMMER JM, HILL EJ, VANDENBERG HJ. EFFECT OF ENTEROGASTRONE ON MANN-WILLIAMSON ULCERS IN DOGS. Arch Surg. 1947;55(2):125–129. doi:10.1001/archsurg.1947.01230080130002
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