Impact of second forward view examination of the proximal colon on the adenoma detection rate

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100046814

Enrollment

Unknown

Registered

2021-05-28

Start date

2021-06-14

Completion date

Unknown

Last updated

2022-01-10

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

Conditions

Colon Adenoma

Interventions

standard withdrawal colonoscopy:Nil

second forward view:Observe the proximal colon twice

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged >= 18 years undergoing screening, follow-up monitoring, and diagnostic colonoscopy.

Exclusion criteria

Exclusion criteria: 1. Cecal intubation failed; 2. Have a history of colorectal surgery; 3. Insufficient bowel preparation, Boston Bowel Preparation Score (BBPS) <6 points; 4. Inflammatory bowel disease or intestinal tuberculosis; 5. Familial polyp syndrome; 6. Recovery of polyp specimens failed, and no histopathological data; 7. Patients with coagulation dysfunction.

Design outcomes

Primary

Measure	Time frame
The proximal colon adenoma detection rate;	—

Secondary

Measure	Time frame
Overall colon adenoma detection rate;Colonoscopy entry time;Total colon withdrawal time;Proximal colon withdrawal time;Boston bowel preparation score;	—

Countries

China

Contacts

Public ContactYang Li

Third People's Hospital of Jingdezhen

yanglijdz@sina.com+86 13607983780

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026