1.   Using intragastric titration, however, Moss et al have been unable to show a fall in meal stimulated acid secretion after anti- H pylori treatment.

2.   This hypothesis was tested by two ongoing trials of H pylori eradication treatment, one in patients with duodenal ulcer disease and the other in patients with intestinal metaplasia.

3.   There are few data concerning the role of anti- H pylori treatment in gastric ulcer disease.

4.   Therefore, H pylori treatment is recommended for patients with relapsing duodenal ulcer disease.