Helicobacter Pylori, Atrophic Gastritis and Intestinal Metaplasia Registry and Prospective Study

"To set up a prospective study and registry (HAR-P) for patients with H. pylori infection, atrophic gastritis or intestinal metaplasia to evaluate their clinical features and outcomes. The objectives include:~1. Assess the short- and long-term patient outcomes of H. pylori patients~2. Characterize factors involved in the progression or regression of pre-neoplastic lesions, namely atrophic gastritis and intestinal metaplasia~3. Gather information for a better understanding on the efficacy and role of surveillance~4. Potential for the development of new screening/surveillance strategies and tools for better risk stratification of patients~5. Establish a biobank for H. pylori, atrophic gastritis and intestinal metaplasia patients"