The feasibility and efficacy of direct peroral cholangioscopy using the latest novel double bending direct cholangioscopy

The feasibility and efficacy of direct peroral cholangioscopy using the latest novel double bending direct cholangioscopy - The feasibility and efficacy of novel direct peroral cholangioscopy

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012315

Enrollment

Registered

2013-11-15

Start date

2013-11-01

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

Patients in whom diagnostic and therapeutic PDCS in the bile duct and pancreatic duct are needed.

Interventions

Diagnostic and therapeutic peroral direct cholangioscopy.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients in whom diagnostic and therapeutic PDCS in the bile duct are needed. 2) Patients consent to be included in the study based on his/her own free will after sufficient informing and understanding of the study.

Exclusion criteria

Exclusion criteria: 1) Cases having difficulty in endoscopic approach 2) Cases in Perfomance status 4 3) Cases with sever complication in other organs 4) Cases without informed consent 5) Cases judged by principal investigator to be inadequate as subjects

Design outcomes

Primary

Measure	Time frame
Success rate of scope insertion to papilla and therapeutic intervention.	—

Secondary

Measure	Time frame
Frequency and kinds of complications	—

Countries

Japan

Contacts

Public ContactTakao Itoi

Tokyo Medical University Department of the 4th Internal medicine (Gastroenterology and Hepatology)

itoi@tokyo-med.ac.jp03-3342-6111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026