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Prospective study of clinical effect of new oral direct choledochoscope

Prospective study of clinical effect of new oral direct choledochoscope

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-ONC-14005081
Enrollment
Unknown
Registered
2014-07-15
Start date
2014-08-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bile duct disease

Interventions

treatment group:oral direct choledochoscope

Sponsors

Beijing Friendship Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Biliary lesion which can't be definitely diagnosed by conventional ERCP and cytologic examinations; 2. Patients who have huge stones in bile duct and need carrying out electrohydraulic lithotripsy or laser lithotripsy under endoscope direct vision; 3. Subject is informed and voluntarily sign the informed consent.

Exclusion criteria

Exclusion criteria: 1. Duodenal papilla tumor or distal bile duct cancer (the distance from papilla smaller than 1 cm); 2. common bile duct distal stenosis (diameter smaller than 6mm); 3. Patient after stomach operation; 4. Patient who is allergic to iodine; 5. Refuse to accept oral direct choledochoscope examination or is unwilling to participate this study.

Design outcomes

Primary

MeasureTime frame
success rate and safety of new direct insertion peroral cholangioscopy inserted into the common bile duct;

Countries

China

Contacts

Public ContactShu-Tian Zhang
zhangst@ccmu.edu.cn+86 1063138339

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026