The Use of Narrow Band Imaging in Screening Colonoscopy

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

206 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-11-30

Study Completion Date

2008-04-30

Brief Summary

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Narrow band imaging (NBI) is an imaging technique that allows a better definition of capillary pattern and improves the contrast between adenomas and the surrounding mucosa. Conflicting data exist on the ability of NBI in to improve detection of colonic neoplasm; the impact of NBI is being tested in several screening scenarios. The investigators evaluated whether the routine use of NBI, compared to white light (WL), during the withdrawal phase of screening colonoscopy improved adenoma detection.

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Detailed Description

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Conditions

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Colonoscopy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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1

standard white light

Group Type NO_INTERVENTION

No interventions assigned to this group

2

Narrow Band Imaging

Group Type EXPERIMENTAL

Narrow Band Imaging

Intervention Type PROCEDURE

Narrow Band Imaging

Interventions

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Narrow Band Imaging

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* 50-69 year-old asymptomatic subjects at average-risk of CRC
* positive FOBT participating in a national mass-screening program and referred for colonoscopy