"eyeMax Insight" Cholangioscopy for Unexplained Bile Duct Stenosis

Summary

When clinical doctors cannot diagnose the cause of biliary stricture after comprehensive laboratory and imaging examinations, it is collectively referred to as unexplained bile duct stenosis. This study intends to analyze the diagnostic value of the biliary endoscopy system for unknown cause biliary strictures , and compare the diagnostic efficacy of biopsy under biliary endoscopy guidance with brushing cytology under ERCP.

Conditions

• Bile Duct Stenosis

Interventions

DIAGNOSTIC_TEST

cholangioscopy

cholangioscopy examination and forceps biopsy, followed by brush biopsy from ERCP

Sponsors & Collaborators

• Oriental Hepatobiliary Surgery Hospital Affiliated to Naval Military Medical University

  collaborator UNKNOWN

• Zhejiang University

  collaborator OTHER

• The First Affiliated Hospital of Nanchang University

  collaborator OTHER

• West China Hospital

  collaborator OTHER

• LanZhou University

  collaborator OTHER

• First Affiliated Hospital Xi'an Jiaotong University

  collaborator OTHER

• Peking University Cancer Hospital & Institute

  collaborator OTHER

• First Hospital of China Medical University

  collaborator OTHER

• First Affiliated Hospital of Guangxi Medical University

  collaborator OTHER

• The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

  collaborator OTHER

• The Second Affiliated Hospital of Baotou Medical College

  collaborator OTHER

• Shandong Province Third hospital

  collaborator OTHER

• Changhai Hospital

  lead OTHER

Principal Investigators

• Yunfeng Wang, Doctor · Changhai Hospital

Eligibility

Min Age

18 Years

Max Age

75 Years

Sex

ALL

Healthy Volunteers

No

Timeline & Regulatory

Start

2023-06-30

Primary Completion

2023-11-30

Completion

2024-07-31