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Transnasal direct cholangioscopy (TDC) with ultra-slim endoscopes: feasibility for diagnosis and therapy of cholangiopathies

Transnasal direct cholangioscopy (TDC) with ultra-slim endoscopes: feasibility for diagnosis and therapy of cholangiopathies - Cholangioscopy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00000626
Enrollment
100
Registered
2010-12-03
Start date
2011-01-03
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

C22.1 K80

Interventions

Group 1: Instruments: All examinations are performed with the same ultra-slim two-way angulation endoscope (EG 530NP, Fujinon Inc., Saitama, Japan). Five-F balloon catheters with a channel are used as

Sponsors

Dr. Horst-Schmidt-Klinik Wiesbaden
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Follow-up after stone removal Evaluation of biliary stricture Adenomas of the papilla with suspected ductal involvement Removal of retained common bile duct stones A previous endoscopic sphincterotomy was a prerequisite for inclusion.

Exclusion criteria

Exclusion criteria: Patients with a diffuse stricture of the distal common bile duct bleeding tendency (international normalized ratio > 1.5 or platelet count < 50,000/mL) Patients with evidence of pancreatic cancer Patients with surgical altered anatomy Patients with contraindications for ERCP were excluded.

Design outcomes

Primary

MeasureTime frame
Primary outcome is the technical success rate, defined as successful advancement of the endoscope into the bifurcation of the biliary tree or the strictured segment.

Secondary

MeasureTime frame
Secondary outcomes are : 1. Complications, such as perforation, cholangitis, pancreatitis, and bleeding. 2. Success rate of therapeutic procedures (e.g. lithotripsy, argon plasma coagulation).

Countries

Germany

Contacts

Public ContactJuergen Pohl

Dr. Horst-Schmidt-Klinik Wiesbaden

pohljuergen@web.de0611 43 2420

Outcome results

None listed

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