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Sincalide is a diagnostic agent used to stimulate gallbladder contraction or pancreatic secretion during diagnostic tests, and accelerate fluoroscopy and x-ray examination of the intestinal tract.
Sincalide is a diagnostic agent used to stimulate gallbladder contraction or pancreatic secretion during diagnostic tests, and accelerate fluoroscopy and x-ray examination of the intestinal tract.
When injected intravenously, sincalide produces a substantial reduction in gallbladder size by causing this organ to contract. The evacuation of bile that results is similar to that which occurs physiologically in response to endogenous cholecystokinin. Like cholecystokinin, sincalide stimulates pancreatic secretion; concurrent administration with secretin increases both the volume of pancreatic secretion and the output of bicarbonate and protein (enzymes) by the gland. This combined effect of secretin and sincalide permits the assessment of specific pancreatic function through measurement and analysis of the duodenal aspirate.
As the product Kinevac (FDA), sincalide is used for the following indications: 1) to stimulate gallbladder contraction, as may be assessed by various methods of diagnostic imaging, or to obtain by duodenal aspiration a sample of concentrated bile for analysis of cholesterol, bile salts, phospholipids, and crystals; (2) to stimulate pancreatic secretion in combination with secretin prior to obtaining a duodenal aspirate for analysis of enzyme activity, composition, and cytology; (3) to accelerate the transit of a barium meal through the small bowel, thereby decreasing the time and extent of radiation associated with fluoroscopy and x-ray examination of the intestinal tract.
