Validation study of the efficacy and safety of first precutting for Oral protrusion-Large, which is difficult to biliary duct cannulation.

Validation study of the efficacy and safety of first precutting for Oral protrusion-Large, which is difficult to biliary duct cannulation. - Validation study of the efficacy and safety of first precutting for Oral protrusion-Large, which is difficult to biliary duct cannulation.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000042805

Enrollment

Registered

2021-01-01

Start date

2021-01-01

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

Cases requiring ERCP

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases requiring ERCP Naive papilla Papilla of Oral protrusion-Large

Exclusion criteria

Exclusion criteria: Previously treated duodenal papilla ERCP for pancreatic duct cannulation Papilla cannot judge Oral protrusion pattern Bleeding tendency Patients whose participation in the trial was judged to be inappropriate by the investigator

Design outcomes

Primary

Measure	Time frame
Incidence of post-ERCP pancreatitis	—

Secondary

Measure	Time frame
Success rate of biliary duct cannulation Rate of oral protrusion pattern Adverse event	—

Countries

Japan

Contacts

Public ContactMasafumi Watanabe

Kitasato University School of Medicine Department of Gastroenterology

m.wata@kitasato-u.ac.jp042-778-8111

Outcome results