Study of Flat Polyp Detection Using New Narrow Band Imaging (NBI) Compared to White Light Colonoscopy - The FIND FLAT Colonoscopy Study



Status:Completed
Conditions:Colorectal Cancer, Cancer, Cancer, Gastrointestinal
Therapuetic Areas:Gastroenterology, Oncology
Healthy:No
Age Range:18 - Any
Updated:12/8/2017
Start Date:January 2013
End Date:August 2016

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Full Inspection With Narrow Band Imaging (NBI) for Detection of Flat Lesions And Tumors During Colonoscopy- The FIND FLAT Colonoscopy Study

We hypothesize that high definition narrow band imaging (NBI) colonoscopy compared to high
definition white light colonoscopy will detect an increased number of nonpolypoid (flat and
depressed) colorectal neoplasm.

Interval colorectal cancers diagnosed within a three year period following a clearing
colonoscopy have been reported at a rate of 1 cancer/1000 person years.The majority of these
cancers are likely a consequence of a missed neoplastic lesion during routine colonoscopy.
Recent tandem colonoscopy studies have shown no significant difference in adenoma miss or
detection rates using narrow band imaging as compared to colonoscopy using white light.
However, higher detection of flat neoplastic lesions using NBI was shown in a meta-analysis
and should be furthered studied, especially considering that they are thought to be a strong
contributor to a false negative colonoscopy.

Inclusion Criteria:

- Adult patients referred for routine colonoscopy are eligible

Exclusion Criteria:

- Known Inflammatory bowel disease

- Referred for endoscopic evaluation and removal of colorectal lesion

- Personal or family history of polyposis or non-polyposis syndrome

- Presentation for emergency endoscopy

- Inability to remove polyp due to coagulopathy or thrombocytopenia

- Inability to provide informed consent
We found this trial at
3
sites
Palo Alto, California 94304
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Palo Alto, CA
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Kansas City, Missouri 64128
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Kansas City, MO
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San Francisco, California 94121
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San Francisco, CA
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