Postprandial exocrine pancreatic function during long-term treatment with the somatostatin analogue SMS 201-995 in acromegalic patients

European Journal of Clinical Investigation
P A van LiessumC B Lamers

Abstract

Long-term treatment with the somatostatin analogue SMS 201-995 (SMS) might impair exocrine pancreatic function, secretion of cholecystokinin (CCK) and pancreatic polypeptide (PP), and pancreatic size. In five acromegalics on chronic treatment with SMS, we investigated postprandial 6-h urinary excretion of p-aminobenzoic acid (PABA) and p-aminosalicylic acid (PAS) after s.c. injection of 100 micrograms SMS or placebo and after ingestion of 2 mmol nBT-PABA and 2 mmol PAS. In the acromegalics, urinary PABA/PAS ratio (reflecting exocrine pancreatic function) after SMS was similar to that after placebo (P greater than 0.10) and higher than in healthy volunteers (n = 8, P = 0.05). The initial inhibition of plasma CCK secretion by SMS was cancelled during the 3rd h after the meal, whereas PP release remained completely abolished. Pancreatic size as measured by ultrasonography, was not reduced in seven acromegalics compared with 14 healthy volunteers. It is concluded that despite a blunted release of the trophic hormone CCK, long-term treatment with SMS 201-995 neither induces an abnormally small pancreas nor deterioration of postprandial exocrine pancreatic function in patients with acromegaly.

References

Dec 16, 1978·Lancet·G R GreenbergS R Bloom
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Sep 1, 1989·The Journal of Clinical Endocrinology and Metabolism·P A van LiessumC B Lamers
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Jul 15, 1983·Clinica Chimica Acta; International Journal of Clinical Chemistry·J B Jansen, C B Lamers

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Citations

Jan 1, 1994·Baillière's Clinical Endocrinology and Metabolism·A Shulkes

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