Comparison of diagnostic sensitivity of peroral cholangioscopy-guided target biopsy with that of transpapillary forceps biopsy under fluoroscopic guidance in patients suspected with bile duct cancer: A multicenter retrospective cohort study

Comparison of diagnostic sensitivity of peroral cholangioscopy-guided target biopsy with that of transpapillary forceps biopsy under fluoroscopic guidance in patients suspected with bile duct cancer: A multicenter retrospective cohort study - POCS- vs ERCP-guided biopsy

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040844

Enrollment

Registered

2020-07-01

Start date

2020-08-01

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

bile duct cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients suspected with bile duct cancer who underwent biopsy under both fluoroscopy and cholangioscopy guidance in same session at University of Toyama,Gifu University, and Teikyo University Mizonokuchi Hospital between November 2013 and February 2020.

Exclusion criteria

Exclusion criteria: 1. Patients with pancreatic head mass and with dialation of upstream main pancreatic duct 2. Patients with exposure of tumor at duodenal papilla

Design outcomes

Primary

Measure	Time frame
Diagnostic sensitivity	—

Secondary

Measure	Time frame
accuracy, specificity, positive predictive value (PPV), negative predictive value (NPV), sample size, and sample quality	—

Countries

Japan

Contacts

Public ContactIchiro Yasuda

University of Toyama Third Department of Internal Medicine

yasudaic@med.u-toyama.ac.jp076-434-7300

Outcome results