Efficacy and safety of peroral direct cholangioscopy with an ultrathin endoscope for biliary disease.

Efficacy and safety of peroral direct cholangioscopy with an ultrathin endoscope for biliary disease. - Efficacy and safety of cholangioscopy for biliary disease

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000032154

Enrollment

Registered

2018-04-09

Start date

2018-04-01

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

Biliary disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patient need to examine the biliary lesion with cholangioscopy. 2. Possible to get written informed consent from patients. 3. Ages 20 and older.

Exclusion criteria

Exclusion criteria: 1. The size of bile duct less than 8mm on ERC 2. Patients with performance status 3 or 4 3. Patients with severe complications to other organs. 4. Patients with severe coagulation dysfunction. 5. Patients without informed consent. 6. Patients judged inappropriate by chief medical examiner.

Design outcomes

Primary

Measure	Time frame
Visibility of biliary lesion (using LCI and BLI)	—

Secondary

Measure	Time frame
1.Success rate of scope insertion to bile duct 2.Ability to procedure(forceps biopsy etc) 3.Procedure time 4.Adverse event	—

Countries

Japan

Contacts

Public ContactKazuyuki Matsumoto

Okayama University Hospital Department of Endoscopy

matsumotokazuyuki0227@yahoo.co.jp086-235-7219

Outcome results