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Clinical Trials/NCT00765180
NCT00765180CompletedNot Applicable

Comparison of Transparent Retractable Extension Device and Narrow Band Imaging on Colorectal Adenoma Detection

Showa Inan General Hospital2 sites in 1 country200 target enrollmentStarted: January 2007Last updated:
Conditions

Trial Snapshot

Phase
Not Applicable
Status
Completed
Enrollment
200
Locations
2
Primary Endpoint
Colorectal adenoma detection rate

Study Overview

Brief Summary

The investigators previously reported that colonoscopy with a transparent retractable extension (TRE) device improved the adenoma detection rate without affecting intubation and withdrawal times. On the other hand, colonoscopy using narrow band imaging (NBI) is expected to lead to higher rate s of adenoma detection. The investigators compared the effects of TRE device on colorectal adenoma detection with those of NBI.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Diagnostic
Masking
Single (Investigator)

Eligibility Criteria

Ages
20 Years to 100 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • Not provided

Exclusion Criteria

  • Age less than 20 years old
  • American Society of Anesthesiologists class III and IV
  • Overweight (body weight > 100 kg)
  • Allergic to the drugs used or its components (soybeans or eggs)
  • Poor bowel preparation
  • Previous colorectal surgical resection

Outcomes

Primary Outcomes

Colorectal adenoma detection rate

Time Frame: after colonoscopy

Secondary Outcomes

  • Procedure time, complication(after colonoscopy)

Investigators

Sponsor Class
Other
Responsible Party
Principal Investigator
Principal Investigator

Akira Horiuchi

Digestive Disease Center

Showa Inan General Hospital

Study Sites (2)

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