Exploratory research for identification of vessels,bile duct,liver segment and nerve with fluorescence imaging system using Methylenblue in hepato-biliary-pancreatic surgery

Exploratory research for identification of vessels,bile duct,liver segment and nerve with fluorescence imaging system using Methylenblue in hepato-biliary-pancreatic surgery - Exploratory research for identification of vessels,bile duct,liver segment and nerve with fluorescence imaging system using Methylenblue in hepato-biliary-pancreatic surgery

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030590

Enrollment

Registered

2017-12-31

Start date

2016-11-01

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

Hepato-biliary-pancreatic deseases

Interventions

Administration of methylen blue and demonstration of fluorescence imaging system

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients scheduled to undergo surgery for hepato-biliary-pacreatic disease including malignant or benign deisease.

Exclusion criteria

Exclusion criteria: The patients who have allergy to methylen blue,poor renal function,glucose-6-phosphate dehydrogenase deficiency, NADPH reducing enzyme deficiency and pregnant woman. The emergency case is also excluded.

Design outcomes

Primary

Measure	Time frame
The number of nerve tissues and lesions which are visible with fluorescence imaging system using methylenblue compared to naked eyes.	—

Countries

Japan

Contacts

Public ContactYuta Kobayashi and Yoshikuni Kawaguchi

Graduate School of Medicine, University of Tokyo Hepato-Biliary-Pancreatic Surgery Division

KOBAYASHIY-SUR@h.u-tokyo.ac.jp03-5800-8841

Outcome results

None listed

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