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PPI vs H2RA in Patients With Helicobacter Pylori-Negative Idiopathic Bleeding Ulcers

Peptic Ulcer Clinical Trial

Official title:
Prevention of Recurrent Idiopathic Gastroduodenal Ulcer Bleeding: a Double-blind Randomized Trial

Clinical Trial Summary

The aim of this study is to compare the efficacy of a proton pump inhibitor (lansoprazole) and a histamine-2 receptor antagonist (famotidine) in preventing recurrent ulcer bleeding in patients with a history of H. pylori-negative idiopathic peptic ulcers.

Clinical Trial Description

Peptic ulcer disease used to be caused by a bacterial infection (Helicobacter pylori) in the stomach or the use of certain painkillers (nonsteroidal anti-inflammatory drugs or NSAIDs). However, there has been an increasing trend of peptic ulcer disease with unknown cause (idiopathic ulcer) worldwide since the last decade. Studies in North America found that idiopathic ulcers accounted for 11% and 44% of all peptic ulcers. A meta-analysis of 7 US trials found that 20% of patients with H. pylori-associated ulcers had recurrent ulcers within 6 months, despite successful cure of H. pylori infection and no reported use of NSAIDs. In a pooled analysis of 6 clinical trials with a total of 2900 patients, 27% of duodenal ulcers were not associated with NSAID use or H. pylori infection. The emerging problem of H. pylori-negative idiopathic peptic ulcers is not only limited to western countries. Previously, H. pylori-negative idiopathic peptic ulcers accounted for less than 5% of peptic ulcers in Asia. A recent Korean study reported that the proportion of peptic ulcers not associated with H. pylori infection or NSAID use was over 20%. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01180179
Study type Interventional
Source Chinese University of Hong Kong
Contact
Status Completed
Phase Phase 4
Start date June 2010
Completion date May 2019
View Details
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