Prospective exploratory study about prevalance of Helicobacter pylori infection for duodenal epithelial tumors
Not Applicable
- Conditions
- Duodenal epithelial tumors (DET) including tubular adenoma and intramucosal cancer
- Registration Number
- JPRN-UMIN000033188
- Lead Sponsor
- Keio University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up continuing
- Sex
- All
- Target Recruitment
- 500
Inclusion Criteria
Not provided
Exclusion Criteria
(1) known familiar adenomatous polyposis or hereditary non-polyposis colorectal cancer patient (2) patient with past history for upper gastrointestinal tract operation (3) patient with disorder about the function of blood coaglation, or impossibility for the adaptation according to the guideline for antithrombotic drugs of japanese gastroenterological endoscopy society (4)patient with important organ dysfunction (5)patient with another inappropreate reasons decided by the doctor
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Hp infectious state about mucous characteristics expressed for every DET patients
- Secondary Outcome Measures
Name Time Method (1) The presence of H.pylori irradication for DET patients (2) The degree of endoscopic gastritis for DET patients (3) The degree of microscopic intestinal metaplasia for DET patients (4) The pathological findings of DET (location, tumor size, macroscopic findings, color, type of histopathology, mucous characteristics of the tumor) (5) The frequency of Hp infection, the degree of endoscopic gastritis, and microscopic intestinal metaplasia at individual part of DET (oral side of papilla, papilla, and anal side of papilla) (6) The frequency of Hp infection, the degree of endoscopic gastritis, and microscopic gastritis by the mucous characteristics of DET