Intraoperative identification of colonic tumor site using near infrared indocyanine green-induced endosopic fluorescence imaging system

Intraoperative identification of colonic tumor site using near infrared indocyanine green-induced endosopic fluorescence imaging system - Colonic tatooing using ICG-induced endosopic fluorescence imaging system

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021284

Enrollment

100

Registered

2016-03-02

Start date

2014-02-01

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

Interventions

0.5 ml ICG was injected the mucosa into the submucosal space of the bowel wall at just the distal side of the tumor preoperative endoscopically. We identified the colonic tumor site in the PINPOINT En

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Colorectal cancer patients that laparoscopic surgery has been scheduled.

Exclusion criteria

Exclusion criteria: Emergency operation, ileus, Open surgery

Design outcomes

Primary

Measure	Time frame
The intraoperative visibility rate of tumor site	—

Secondary

Measure	Time frame
Complications of ICG injection	—

Countries

Japan

Contacts

Public ContactMakoto Watanabe

Showa University Department of Gastroenterological & General Surgery

m-watanabe@med.showa-u.ac.jp+81-3-3784-8541

Outcome results

None listed

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