A prospective observational study of transpapillary biopsy for malignant biliary strictures

A prospective observational study of transpapillary biopsy using a novel guidewire-guided biopsy forceps for malignant biliary strictures - A prospective observational study of transpapillary biopsy using a novel guidewire-guided biopsy forceps for malignant biliary strictures

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000056308

Enrollment

Registered

2024-11-29

Start date

2024-12-01

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

malignant biliary stricture

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients who underwent transpapillary biopsy for malignant biliary strictures using a novel guidewire-guided biopsy forceps during ERCP

Exclusion criteria

Exclusion criteria: patients with postoperative reconstruction of the upper gastrointestinal tract biliary stricture located upstream of the common hepatic duct when performing biopsy by a beginner in ERCP

Design outcomes

Primary

Measure	Time frame
technical success rate of biopsy for biliary strictures	—

Secondary

Measure	Time frame
accuracy rate of histological diagnosis for bile duct stricture success rate of obtaining adequate biopsy sample time required for biopsies for bile duct stricture rate of adverse events	—

Countries

Japan

Contacts

Public ContactToji Murabayashi

Ise Red Cross Hospital Department of Gastroenterology

murabayashitoji@m2.gmobb.jp0596-28-2171

Outcome results