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A Prospective Observational Study to Evaluate the safety and efficiency of peroral direct cholangioscopy assisted by nasal pancreatic drainage tube

A Prospective Observational Study to Evaluate the safety and efficiency of peroral direct cholangioscopy assisted by nasal pancreatic drainage tube

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-DDD-16009317
Enrollment
Unknown
Registered
2016-10-05
Start date
2016-10-05
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

Cholelithiasis, Biliary duct Stricture

Interventions

experimental group:peroral direct cholangioscopy

Sponsors

Beijing Friendship Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. bile duct stricture with unknown reasons; 2. big stones in the bile duct which need be extracted by electrohydraulic lithotripsy or direct version; 3. patients who sign written consent form.

Exclusion criteria

Exclusion criteria: 1. duodenal papillary tumor or cholangiocarcinoma in the lower of bile duct; 2. stricture in the lower of bile duct(diameter <6mm); 3. post-gastric operation; 4. iodine allergy; 5. refuse to operate PDCS or refuse to participate in the research.

Design outcomes

Primary

MeasureTime frame
success rate;bilirubin;transaminase;temperature;positive rate of biopsy;complication;—

Countries

China

Contacts

Public ContactShutian Zhang

Beijing Friendship Hospital

zhangshutian@ccmu.edu.cn+86 13911021992

Outcome results

None listed

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