Endoscopic Size Assessment of Advanced Adenomatous Polyps

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

1930 participants

Study Classification

OBSERVATIONAL

Study Start Date

2010-11-30

Study Completion Date

2025-01-31

Brief Summary

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The investigators are retrospectively comparing detection rates of adenomatous polyps, advanced adenomas, and size assessment of the polyps among Rush University Medical Center endoscopists. The investigators plan to review whether the size assessment of adenomatous polyps affected the surveillance protocols and if the location of polyps detected affected the detection rates.

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Detailed Description

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The study plans to compare detection rates of adenomatous as well as the sessile serrated polyps, advanced adenomas and size assessment of the polyps among the endoscopists at the study site. In addition, the study team aims to evaluate rates of advanced neoplasia on surveillance colonoscopy based on certain features on initial colonoscopy and patient characteristics, including specific high-risk histologic features and concurrent medication usage such as aspirin. In addition, patients with at least one adenoma on surveillance colonoscopy will be identified and regarded as cases. Cases will be compared against normal surveillance colonoscopy. The Controls will be selected on a 1:1 ratio. Aspirin use will be compared between groups.

Conditions

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Adenoma Detection Rate Improvement in Screening Colonoscopy

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Presence of adenomatous polyps detected at endoscopy and diagnosed pathologically by tissue biopsy
* Have a colonoscopy at RUMC for screening purposes

* Previous diagnosis of IBD or colorectal cancer

Minimum Eligible Age

40 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes