Establishment of surveillance system for the longstanding ulcerative colitis patients Comparative study of efficacy for the targeted biopsy and the step biopsy

Not Applicable

• Conditions: lcerative colitis

• Registration Number: JPRN-UMIN000001608
• Lead Sponsor: Teikyo University School of Medicine

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2009-01-05
• Study Completion: 2011-12-01
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 200

Inclusion Criteria

Not provided

Exclusion Criteria

1)Patients who have past history of colon cancer and/or ulcerative colitis associated neoplasm 2) Patients suspected of bleeding diathesis or coagulation abnormality 3) Renal dysfunction (Cre > 1.2 mg/dl) 4)Pregnancy or breast feeding 5)Otherwise, patiesnts who investigator judged ineligible to register

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The number of neoplastic lesions detected during surveillance colonoscopy

Secondary Outcome Measures

Name	Time	Method
The detection rate of neoplastic lesions, examination time and a number of biopsies in the surveillance colonoscopy (economical efficiency, incidence rate of complication that requires the special treatment, risk factor of neoplasia)