Adenoma Detection by Polypectomy During Both Insertion and Withdrawal

NCT ID: NCT01925833

Last Updated: 2019-02-12

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

Clinical Phase

NA

Total Enrollment

1142 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-09-30

Study Completion Date

2016-12-31

Brief Summary

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Standard method of colonoscopy is to insert the colonoscope rapidly to reach the cecum, with careful inspection and polypectomy during the withdrawal phase. However, small polyps (e.g. \<1cm) seen during insertion phase are difficult to find during withdrawal phase. Also, colon is in different conformation during insertion and withdrawal phases. We think careful inspection and polypectomy during both insertion and withdrawal can improve adenoma detection rate.

Detailed Description

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Conditions

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Adenoma of Large Intestine

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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Both insertion and withdrawal

Group Type EXPERIMENTAL

Both insertion and withdrawal

Intervention Type PROCEDURE

inspection and polypectomy during both insertion and withdrawal of colonoscopy

Only withdrawal

Group Type ACTIVE_COMPARATOR

Only withdrawal

Intervention Type PROCEDURE

inspection and polypectomy during only withdrawal of colonoscopy

Interventions

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Both insertion and withdrawal

inspection and polypectomy during both insertion and withdrawal of colonoscopy

Intervention Type PROCEDURE

Only withdrawal

inspection and polypectomy during only withdrawal of colonoscopy

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patient undergoing screening or surveillance colonoscopy

Exclusion Criteria

* Previous colorectal resection, Polyposis syndrome, Inflammatory bowel disease
Minimum Eligible Age

50 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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The Catholic University of Korea

OTHER

Sponsor Role lead

Responsible Party

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Jeong-Seon Ji

Dr

Responsibility Role PRINCIPAL_INVESTIGATOR

References

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Gweon TG, Lee SW, Ji JS, Lee JR, Kim JS, Kim BW, Choi H. Comparison of adenoma detection by colonoscopy between polypectomy performed during both insertion and withdrawal versus during withdrawal only: a multicenter, randomized, controlled trial. Surg Endosc. 2020 Dec;34(12):5461-5468. doi: 10.1007/s00464-019-07342-4. Epub 2020 Jan 17.

Reference Type DERIVED
PMID: 31953727 (View on PubMed)

Other Identifiers

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Insertion

Identifier Type: -

Identifier Source: org_study_id

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