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Effect of sustained-release isosorbide dinitrate on post-prandial gastric emptying and gastroduodenal motility in healthy humans

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Nitric oxide (NO) is an inhibitory neurotransmitter released by non-adrenergic and non-cholinergic neurons that innervate the smooth muscles of the gastrointestinal tract. We examined whether NO, derived from a sustained-release preparation of isosorbide dinitrate, influenced gastric emptying and gastroduodenal motility after a meal. Eleven healthy volunteers participated in a double-blind, placebo-controlled, cross-over study. Each subject ingested 40 mg isosorbide dinitrate orally as a sustained-release formulation or oral placebo, in random order. Gastric emptying and gastroduodenal motility were measured using scintigraphic and manometric techniques. Isosorbide dinitrate did not change the area under the curve of gastric retention versus time, and did not influence the frequency of antral contractions as assessed at 15-min intervals or the integrated duodenal motility index, as recorded over consecutive 15-min periods. A 40 mg single dose of sustained-released isosorbide dinitrate does not seem to alter gastric emptying or gastroduodenal motility after a meal.
Original languageEnglish
JournalJournal of International Medical Research
Volume32
Issue number4
Pages (from-to)351-358
Number of pages8
ISSN0300-0605
Publication statusPublished - 2004

    Research areas

  • Administration, Oral, Adult, Cross-Over Studies, Delayed-Action Preparations, Digestive System, Double-Blind Method, Duodenum, Female, Gastric Emptying, Gastrointestinal Motility, Gastrointestinal Tract, Humans, Isosorbide Dinitrate, Male, Manometry, Middle Aged, Nitric Oxide, Nitric Oxide Donors, Placebos, Postprandial Period, Radionuclide Imaging, Time Factors

ID: 32540160