Literature DB >> 9950285

The effect of oleic acid on the human ileal brake and its implications for small intestinal transit of tablet formulations.

C L Dobson1, S S Davis, S Chauhan, R A Sparrow, I R Wilding.   

Abstract

PURPOSE: A human volunteer study was carried out to investigate whether activation of the ileal brake mechanism affects the transit of tablets through the small intestine.
METHODS: Oleic acid, which has previously been shown to activate the brake, was delivered to the small intestine in a modified release capsule at doses of 300 mg, 600 mg and 1200 mg. The effect of the oleic acid was determined by measuring the transit of two sets of radiolabelled tablets by gamma scintigraphy. One set of tablets was dosed with the capsule and the other one hour later.
RESULTS: The results show that in the majority of the volunteers small intestinal residence time was greater with the oleic acid than control. The effect was most pronounced in the tablets given concomitantly with the capsule and with the higher doses of oleic acid.
CONCLUSIONS: The ileal brake, activated by oleic acid, can slow the transit of tablets through the small intestine.

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Year:  1999        PMID: 9950285     DOI: 10.1023/a:1018827030210

Source DB:  PubMed          Journal:  Pharm Res        ISSN: 0724-8741            Impact factor:   4.200


  14 in total

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Authors:  R C Spiller
Journal:  Dig Dis       Date:  1990       Impact factor: 2.404

2.  The use of gamma scintigraphy to follow the gastrointestinal transit of pharmaceutical formulations.

Authors:  F N Christensen; S S Davis; J G Hardy; M J Taylor; D R Whalley; C G Wilson
Journal:  J Pharm Pharmacol       Date:  1985-02       Impact factor: 3.765

3.  Effect of gastrointestinal intubation on the passage of a solid meal through the stomach and small intestine in humans.

Authors:  N W Read; M N Al Janabi; T E Bates; D C Barber
Journal:  Gastroenterology       Date:  1983-06       Impact factor: 22.682

4.  Characteristics of lipid substances activating the ileal brake in the rat.

Authors:  N J Brown; N W Read; A Richardson; R D Rumsey; C Bogentoft
Journal:  Gut       Date:  1990-10       Impact factor: 23.059

5.  The ileal brake--inhibition of jejunal motility after ileal fat perfusion in man.

Authors:  R C Spiller; I F Trotman; B E Higgins; M A Ghatei; G K Grimble; Y C Lee; S R Bloom; J J Misiewicz; D B Silk
Journal:  Gut       Date:  1984-04       Impact factor: 23.059

6.  Granisetron and ondansetron: effects on the ileal brake mechanism in the rat.

Authors:  N J Brown; A Horton; R D Rumsey; N W Read
Journal:  J Pharm Pharmacol       Date:  1993-06       Impact factor: 3.765

7.  The effect of adrenoceptor antagonists on the ileal brake mechanism in the rat.

Authors:  N J Brown; R D Rumsey; C Bogentoft; N W Read
Journal:  Br J Pharmacol       Date:  1992-03       Impact factor: 8.739

8.  Further characterisation of the 'ileal brake' reflex in man--effect of ileal infusion of partial digests of fat, protein, and starch on jejunal motility and release of neurotensin, enteroglucagon, and peptide YY.

Authors:  R C Spiller; I F Trotman; T E Adrian; S R Bloom; J J Misiewicz; D B Silk
Journal:  Gut       Date:  1988-08       Impact factor: 23.059

9.  Effect of ileal oleate on interdigestive intestinal motility of the dog.

Authors:  Z Dreznik; T A Meininger; J A Barteau; D Brocksmith; N J Soper
Journal:  Dig Dis Sci       Date:  1994-07       Impact factor: 3.199

10.  The effect of the cholecystokinin antagonist devazepide (L364718) on the ileal brake mechanism in the rat.

Authors:  N J Brown; R D Rumsey; N W Read
Journal:  J Pharm Pharmacol       Date:  1993-12       Impact factor: 3.765

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Journal:  Pharm Res       Date:  2008-11-04       Impact factor: 4.200

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Journal:  Curr Gastroenterol Rep       Date:  1999-10

Review 3.  Does the Ileal Brake Contribute to Delayed Gastric Emptying After Pancreatoduodenectomy?

Authors:  Savio G Barreto; John A Windsor
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4.  Low dose lipid formulations: effects on gastric emptying and biliary secretion.

Authors:  Greg A Kossena; William N Charman; Clive G Wilson; Bridget O'Mahony; Blythe Lindsay; John M Hempenstall; Christopher L Davison; Patrick J Crowley; Christopher J H Porter
Journal:  Pharm Res       Date:  2007-07-27       Impact factor: 4.200

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