Biopsy from suspected malignant biliary strictures by using peroral cholangioscopy or EUS-FNA according to the stricture location

Biopsy from suspected malignant biliary strictures by using peroral cholangioscopy or EUS-FNA according to the stricture location - Peroral cholangioscopy or EUS-guided biopsy for diagnosis of biliary stricture

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020193

Enrollment

Registered

2016-12-31

Start date

2014-08-24

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

Malignant Biliary Stricture

Interventions

POC-guided intraductal forceps biopsy for indeterminate MBS in proximal bile duct EUS-guided FNAB for indeterminate MBS in distal bile duct

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Suspected MBS diagnosed by cross sectional imaging study 2. Clinical findings of obstructive jaundice and/or cholangitis

Exclusion criteria

Exclusion criteria: 1. Bleeding tendency (INR>1.5 or platelet count < 60,000/mm3) 2. Inability to give informed consent

Design outcomes

Primary

Measure	Time frame
Diagnostic accuracy of POC-guided biopsy and EUS-FNAB for indeterminate biliary stricture	—

Secondary

Measure	Time frame
Accuracy of initial TPB Procedure technical success Diagnostic yields of POC-guided biopsy and EUS-FNAB for indeterminate biliary stricture Adverse events	—

Countries

Asia(except Japan)

Contacts

Public ContactYun Nah Lee

SoonChunHyang University School of Medicine Digestive Disease Center and Research Institute, Department of Internal Medicine

yunnah@schmc.ac.kr+82-32-621-5094

Outcome results

None listed

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