Randomized controlled study comparing success rate of double-guidewire technique with that of transpancreatic precut papillotomy in difficult biliary cannulation.

Randomized controlled study comparing success rate of double-guidewire technique with that of transpancreatic precut papillotomy in difficult biliary cannulation. - Randomized controlled study comparing success rate of double-guidewire technique with that of transpancreatic precut papillotomy in difficult biliary cannulation.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000008200

Enrollment

Registered

2012-06-19

Start date

2011-04-01

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

Acute cholangitis, CBD stone, obstructive jaudice

Interventions

Double-guidewire technique transpancreatic precut papillotomy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) selective cannulation of the bile duct was not possible in 15 minutes and selective cannulation of the pancreatic duct was achieved (2) more than 3 times of unintentional pancreatic duct cannulation

Exclusion criteria

Exclusion criteria: age less than 20 years, successful deep biliary cannulation within 15 min, surgically altered anatomy (Billroth 2 gastrectomy or Roux-en-Y anastomosis), prior biliary sphincterotomy; uncontrolled coagulopathy, difficulty to pancreatic duct cannulation, and refusal to agree to this study protocols

Design outcomes

Primary

Measure	Time frame
1)Success rate in biliary cannulation 2)The rate of post-ERCP pancreatitis, the severity of the pancreatitis	—

Secondary

Measure	Time frame
1)Cannulation time 2)Other complication rates such as bleeding, perforation, cholangitis	—

Countries

Japan

Contacts

Public ContactHarutoshi Sugiyama

Graduate School of Medicine, Chiba University, Japan Department of Gastroenterology and Nephrology

sugi1.1220@gmail.com043-222-7171

Outcome results

None listed

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