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Attempt to develop a pattern recognition scoring system predicting the difficulty of bile duct cannulation during ERCP to select conventional or salvage method

Attempt to develop a pattern recognition scoring system predicting the difficulty of bile duct cannulation during ERCP to select conventional or salvage method - New scoring system predicting difficulty in ERCP

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000054241
Enrollment
750
Registered
2024-04-24
Start date
2024-01-24
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

biliary tract disease

Interventions

None listed

Sponsors

Gastroenterology Center, Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients underwent ERCP at our hospital between April 2021 and September 2023 with naive papillae of Vater are enrolled in this study.

Exclusion criteria

Exclusion criteria: Exclusion criteria include patients who underwent the procedure for the second or subsequent times, previous endoscopic sphincterotomy, use of a forward-viewing endoscope or balloon-assisted enteroscopy was used, and discontinuation of treatment for anatomic reasons such as intestinal stenosis.

Design outcomes

Primary

MeasureTime frame
The success rate of deep bile duct cannulation using the conventional contrast method for several recognition patterns.

Secondary

MeasureTime frame
Precut sphincterotomies and adverse event rates.

Countries

Japan

Contacts

Public ContactTaira Kuroda

Ehime Prefectural Central Hospital Gastroenterology Center

taira.k.0120@gmail.com+81-89-947-1111

Outcome results

None listed

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