Colorectal Polyp Discrimination Using High-Definition Narrow Band Imaging

January 8, 2014 updated by: Mayo Clinic
The investigators seek to compare the accuracy of the existing colonoscope model to determine the magnitude of the improvement the investigators can expect in polyp discrimination as neoplastic or non-neoplastic.

Study Overview

Status

Completed

Conditions

Detailed Description

Information will be collected. Images will be taken.

Study Type

Observational

Enrollment (Actual)

556

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Florida
      • Jacksonville, Florida, United States, 32224
        • Mayo Clinic

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Men and Women(not pregnant) presenting to the GI lab for colonoscopy. Child bearing potential not excluded.

Description

Inclusion Criteria:

  • Age 18 and older
  • Presenting for surveillance, screening or diagnostic colonoscopy
  • Willingness to provide informed consent

Exclusion Criteria:

  • Inability to provided informed consent
  • Pregnancy
  • Known inflammatory bowel disease
  • Personal or family history of polyposis or nonpolyposis syndrome
  • Emergency colonoscopy/endoscopy
  • Coagulopathy or thrombocytopenia preventing polypectomy
  • Procedure indication for acute bleeding or active colitis

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
Measure Description
Time Frame
Accuracy of In Vivo determination of colorectal polyps histopathology
Time Frame: 1 year
Compare accuracy of current colonoscope to improved colonoscope for discrimination of polyps as neoplastic versus non-neoplastic. The accuracies of the two approaches will be compared via logistic regression model with the significance of the difference in the accuracies assessed via generalized estimating equation approach to take account of the possible dependence introduced by inclusion of mulitple polyps per patient.
1 year

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Sensitivity and specificity of In Vivo discrimination of colorectal polyp histopathology in white light and narrow band imaging modes.
Time Frame: 1 year
Estimate the sensitivity and specificity in high definition mode for distinguishing neoplastic from none neoplastic lesions. Sensitivity and specificity will be estimated using the logistic regression approach as above; 95% confidence intervals will be obtained by transforming confidence intervals on the logs odds scale.
1 year

Collaborators and Investigators

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

Sponsor

Mayo Clinic

Collaborators

Olympic Medical

Investigators

  • Principal Investigator: Michael B Wallace, MD,MPH, Mayo Clinic

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

January 1, 2011

Primary Completion (Actual)

August 1, 2013

Study Completion (Actual)

August 1, 2013

Study Registration Dates

First Submitted

May 16, 2011

First Submitted That Met QC Criteria

May 16, 2011

First Posted (Estimate)

May 17, 2011

Study Record Updates

Last Update Posted (Estimate)

January 10, 2014

Last Update Submitted That Met QC Criteria

January 8, 2014

Last Verified

January 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 10 002315

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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