A randomized controlled clinical trial for over-tube-assisted 5.9-mm Ultrathin Endoscope compared with standard colonoscope for colonoscopy

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900024986

Enrollment

Unknown

Registered

2019-08-06

Start date

2019-07-30

Completion date

Unknown

Last updated

2019-08-27

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

Conditions

colorectal diseases

Interventions

Standard colonoscope:colonoscopy with standard colonoscope

over-tube assisted 5.9-mm endosocpe:colonoscopy with over-tube assisted 5.9-mm endoscope

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients aged from 18 to 80 years for colonoscopy.

Exclusion criteria

Exclusion criteria: 1. poor bowel preparation; 2. colon resection history; 3. recent intestinal obstruction; 4. subjects can not correctly understand the VAS score; 5. subjects can not sign the informed consent.

Design outcomes

Primary

Measure	Time frame
Success rate of cecal intubation;visual analogue scale, VAS;	—

Secondary

Measure	Time frame
Cecal intubation time(s);Adenoma detection rate(%);	—

Countries

China

Contacts

Public ContactYoulin Yang

Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University

yangyoulinyyl@163.com+86 13604809322

Outcome results

None listed

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