Administration of two antagonists of the cholecystokinin(B)/gastrin receptor does not totally inhibit the pancreatic response to a meal in the pig.

Introduction And Aims: The role of the cholecystokinin B (CCK(B))/gastrin receptor in the pancreatic response to a standard meal was investigated in the pig.

Methodology: Twenty-four pigs were prepared surgically for the collection of the pancreatic juice and an intravenous perfusion. On experimental days, the pigs were perfused with one of two CCK(B)antagonists (L-365,260 or PD 135156) or the vehicle for 2 hours.