TRANSIT study

The efficacy of preoperative colonoscopy for obstructive colorectal cancer after insertion of self-expandable metal stent: a multicenter prospective study

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1042210155

Enrollment

215

Registered

2022-03-04

Start date

2022-03-16

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

Obstructive colorectal cancer

Interventions

Colonoscopy for obstructive colorectal cancer after insertion of seif-expandable metal stent

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Obstructive colorectal cancer except cecum and ascending colon 2) After insertion of self-expandable metal stent 3) 20 years and older 4) Written informed consent is obtained

Exclusion criteria

Exclusion criteria: 1) Performance Status 3 or higher 2) Colorectal Obstructive Scoring System 0-1 3) Difficulty in taking oral bowel preparation 4) Fever of 38.0 or higher or abdominal pain 5) No immediate surgery planned 6) Inappropriate cases by investigators

Design outcomes

Primary

Measure	Time frame
Detection rate of synchronous colorectal cancer in the proximal side	—

Secondary

Measure	Time frame
(1) Cecal intubation rate (2) Percentage and number of colorectal neoplastic lesions detected by colonoscopy (3) Comparison with colorectal lesions detected by other imaging tests (4) The number needed to scope in advanced neoplasia (5) Adverse events (6) Change rate of operative method (7) Synchronous colorectal cancer detected by postoperative surveillance colonoscopy	—

Contacts

Public ContactSayo Ito

Shizuoka Cancer Center

sa.ito@scchr.jp+81-55-989-5222

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026