The pharmacology of esomeprazole and its role in gastric acid related diseases.

Article Details

Citation

Saccar CL

The pharmacology of esomeprazole and its role in gastric acid related diseases.

Expert Opin Drug Metab Toxicol. 2009 Sep;5(9):1113-24. doi: 10.1517/17425250903124363.

PubMed ID
19606942 [ View in PubMed
]
Abstract

Esomeprazole (S-isomer of omeprazole) demonstrates a better pharmacokinetic/pharmacodynamic profile than the racemic product omeprazole. Esomeprazole's pharmacological activity of gastric acid secretion is through proton pump inhibition. The pharmacokinetic properties provide for an enhanced pharmacological effect. Esomeprazole is rapidly absorbed and the extent of absorption is higher resulting in higher systemic absorption of esomeprazole (bioavailability), which coupled with reduced clearance results in greater systemic exposure. This pharmacodynamic profile then provides for a prolongation of inhibition of gastric acid output and correlates well with its more beneficial therapeutic efficacy over omeprazole and some of the other proton-pump inhibitors. It has been well proven as an effective agent in the treatment of gastro-esophagitis reflux disease, (reflux esophagitis and non-erosive reflux disease), NSAID-induced gastric-intestinal symptoms and ulcers, Helicobacter pylori infection and Zollinger-Ellison syndrome. Esomeprazole has a good tolerability profile and a low potential for drug interaction.

DrugBank Data that Cites this Article

Drug Targets
DrugTargetKindOrganismPharmacological ActionActions
EsomeprazolePotassium-transporting ATPase alpha chain 1ProteinHumans
Yes
Inhibitor
Details