Second Forward View Examination of Proximal Colon on Adenoma Detection Rate

Impact of Second Forward View Examination of Proximal Colon on Adenoma Detection Rate: A Randomized Clinical Trial

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03619122

Enrollment

392

Registered

2018-08-07

Start date

2018-09-01

Completion date

2019-06-30

Last updated

2019-07-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colon Adenoma

Brief summary

This clinical trial is being conducted to assess whether second forward view examination of proximal colon could increase adenoma detection rate of right colon.

Interventions

PROCEDURESecond Examination

The colonoscopy is passed to the cecum and then withdrawn to hepatic flexure. Then, the scopy is inserted to the cecum and withdrawn to hepatic flexure again for second foreard view examination.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

SCREENING

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to 75 Years

Healthy volunteers

Inclusion criteria

* all patients undergoing colonoscopy for screening in our hospital

Exclusion criteria

* previous history of resection of colon; * familial polyposis syndrome * inflammatory bowel disease * active antiplatelet or anticoagulant therapy prevent polypectomy; * pregnancy or lactating women

Design outcomes

Primary

Measure	Time frame	Description
per-patient detection rate of adenoma of proximal colon	1 day	the number of patients with at least one adenoma identified divided by total number of patients completing colonoscopy

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 22, 2026