Gastric precancerous lesions. Disease of stomach and duodenum, unspecified
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: First degree relatives of gastric cancer patients, age between 40 and 65 years, presence of diffuse gastritis, positive urease test Exclusion criteria: significant lesions in stomach (ulcer, diffuse gastric erosions or erosive duodenits, gastric neoplasia or severe dysplasia verified by histology), negative Helicobacter Pylori (Negative urease test and no H. Pylori in all specimens by histology)
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Course of progression or regression of gastric atrophy and intestinal metaplasia under eradication or placebo treatment. Timepoint: Blood taking, 6 months and 2 and 4 years after first endoscopy and control endoscopy 2 and 4 years after start of trial. Method of measurement: Upper GI endoscopy and taking biopsies from different gastric areas 2 and 4 years after start of study and blood taking before first endoscopy, 6 months and 2 and 4 years after eradication or placebo treatment for determination of H.Pylori antibody and other biomarkers. | — |
Secondary
| Measure | Time frame |
|---|---|
| H.pylori eradication and regression of precancerous lesions (atrophy and intestinal metaplasia) under treatment and progression of precancerous lesions in placebo group. Timepoint: 2 and 4 years. Method of measurement: Endoscopy and evaluation of histology according to Sidney classification after 2 and 4 years after begin of study. | — |
Countries
Iran (Islamic Republic of)
Contacts
Digestive Disease Research Center, TUMS