Clinical Research Directory

Inclusion Criteria: * Subjects ≥ 18 years old with a diagnosis of GIM or previous or current H. pylori infection, to whom a gastroscopy is indicated within clinical care * Availability of a signed informed consent form to participate in the study Exclusion Criteria: * Patients to whom an endoscopy is performed for the follow-up of another illness such as oesophageal varices and/or for therapy such as endoscopic dilation, feeding tube placement or endoscopic resection * Subjects with a clinical diagnosis of gastric diseases other than GIM or GC * Patients who have received antimicrobials during the four weeks prior to the endoscopy * Patients who have received proton pump inhibitors and/or bismuth-based treatments at least two weeks prior to the endoscopy * Subjects for whom clinical data are not available: H. pylori status, eradication treatment, sex, age, tobacco smoking, and first-degree family history of gastric cancer * Subjects who lack the mental capacity to understand the nature and requirements of the study and who lack the ability to give informed consent