Efficacy of preoperative ultrathin colonoscopy for colorectal cancer with stenosis

Efficacy of preoperative ultrathin colonoscopy for colorectal cancer with stenosis - Ultra C trial

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000028505

Enrollment

100

Registered

2017-08-10

Start date

2017-09-04

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

colorectal cancer with stenosis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Colorectal cancer cases 2. Cases without standard colonoscopy passage 3. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Intestinal obstruction cases requiring emergency decompressive treatment 2. Unnecessary total colonoscopy 3. Stent insertion cases 4. Inappropriate cases by investigators

Design outcomes

Primary

Measure	Time frame
Passage rate and cecal insertion rate	—

Secondary

Measure	Time frame
1. Neoplastic lesions on the oral side of stenosis 2. Necessity of emergency decompressive treatment 3. Complication rate 4. Neoplastic lesions detected in the initial surveillance colonoscopy after surgery	—

Countries

Japan

Contacts

Public ContactSayo Ito

Shizuoka Cancer Center Division of Endoscopy

sa.ito@scchr.jp055-989-5222

Outcome results