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Expert Opin Investig Drugs. 2005 Apr;14(4):411-21.

Novel approaches to the pharmacological blockade of gastric acid secretion.

Author information

1
Department of Biosciences, University of Hertfordshire, Hatfield, Hertfordshire AL10 9AB, UK. m.e.parsons@herts.ac.uk

Abstract

Research into new methods of controlling acid secretion is driven by existing medical needs in gastro-oesophageal reflux disease treatment. Histamine receptor subtype 3 agonists offer one approach for acid inhibition but no agent is yet undergoing clinical testing. Other, as yet unrealized strategies include preventing the fusion of the tubulovesicular elements that contain H+/K+-ATPase with the parietal cell membrane, or blocking channels that recycle K+ in the parietal cell. Of more promise are gastrin (cholecystokinin) receptor antagonists and potassium-competitive acid blockers; examples of both are in clinical development. It is probable that gastrin receptor antagonists would be used adjunctively with proton pump inhibitors, possibly for meal-induced reflux. The potassium-competitive acid blockers have attributes that may facilitate use as monotherapy for the treatment of gastro-oesophageal reflux disease. The early promise of gastrin receptor antagonists and potassium-competitive acid blockers remains to be defined in large-scale trials.

PMID:
15882117
DOI:
10.1517/13543784.14.4.411
[Indexed for MEDLINE]

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