A continuous perfusion of the jejunal segment has been performed in 18 patients with chronic intestinal diseases. The addition of 40 mg foridon, a calcium antagonist from dihydropyridine series increased the absorption rate of glucose, Na+ and water by 28.0%, 44.3% and 41.1%, respectively. The stimulating effect was independent of basal absorption and did not impair the absorption. It is planned to test foridon and other calcium antagonists as antidiarrheal medication.
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