The Learning Curve of NBI With Magnification in the Diagnosis of Colorectal Lesions

January 8, 2017 updated by: Zhizheng Ge
It exists a learning curve in using NBI with magnification to differentiating colorectal lesions.

Study Overview

Status

Completed

Conditions

Detailed Description

It is very useful to use narrow-band imaging and Sano CP analysis in the differential diagnosis of colorectal lesions. The endoscopists who had never used NBI or no knowledge of NBI can have effective and stable diagnostic accuracy after using NBI with magnification to diagnose 15 target and non-target lesions respectively.

Study Type

Observational

Enrollment (Actual)

326

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years to 85 years (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

academic hospital endoscopist of digestive department

Description

Inclusion Criteria:

  • Ages 16 to 85
  • Any patient undergoing NBI with magnification colonoscopy exam and found with colorectal lesions

Exclusion Criteria:

  • Unwilling to consent
  • Had surgery of colorectal tumors
  • Using NSAIDS
  • Diagnosed or suspected IBD
  • Familial adenomatous polyposis(FAP) or hereditary non-polyposis colorectal(HNPCC) or other hereditary disease

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Accuracy, Sensitivity, and Specificity for Differentiating Neoplastic and Non-neoplastic Lesions
Time Frame: For this training, patients were consecutively enrolled until a total of 45 target and non-target lesions were obtained.
For this training, patients were consecutively enrolled until a total of 45 target and non-target lesions were obtained.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Zhizheng Ge

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 2010

Primary Completion (Actual)

April 1, 2011

Study Completion (Actual)

April 1, 2011

Study Registration Dates

First Submitted

September 8, 2011

First Submitted That Met QC Criteria

September 8, 2011

First Posted (Estimate)

September 9, 2011

Study Record Updates

Last Update Posted (Actual)

March 1, 2017

Last Update Submitted That Met QC Criteria

January 8, 2017

Last Verified

January 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • rjyyxhk0923

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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