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Pantoprazole: a new proton pump inhibitor
1School of Pharmacy, Auburn University, Alabama 36849-5501, USA. jungnpw@auburn.edu
Clinical Therapeutics
|December 16, 2000
Summary
Pantoprazole is a proton pump inhibitor (PPI) effective for treating ulcers and acid reflux. It shows similar efficacy to other PPIs with a favorable safety profile and fewer drug interactions.
Area of Science:
- Pharmacology and Gastroenterology
Background:
- Proton pump inhibitors (PPIs) are widely used for gastrointestinal acid-related disorders.
- Understanding the comparative pharmacology, efficacy, and tolerability of different PPIs is crucial for clinical practice.
Purpose of the Study:
- To review the pharmacology, clinical efficacy, and tolerability of pantoprazole.
- To compare pantoprazole with other available proton pump inhibitors (PPIs).
Main Methods:
- Literature search of English-language articles in MEDLINE, International Pharmaceutical Abstracts, and UnCover.
- Inclusion of full-length articles from peer-reviewed journals.
Main Results:
- Pantoprazole binds to the proton pump (H+,K+-adenosine triphosphatase) in parietal cells, potentially with greater specificity than other PPIs.
- It exhibits good oral bioavailability (77%), hepatic metabolism, and a short elimination half-life (0.9-1.9 hours).
- Pantoprazole demonstrates comparable efficacy to other PPIs in healing ulcers, erosive esophagitis, and eradicating H. pylori, with common side effects including headache and diarrhea. It has shown no significant drug interactions.
Conclusions:
- Pantoprazole is as effective as other PPIs for common gastrointestinal conditions.
- Its low potential for drug interactions offers a clinical advantage, particularly for patients on multiple medications.