A prospective study: the efficacy of balloon equiped sphincterotome for endoscopic therapy of large common bile duct stones

A prospective study: the efficacy of balloon equiped sphincterotome for endoscopic therapy of large common bile duct stones - The efficacy of ballon equiped sphincterotome for large common bile duct stones

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023415

Enrollment

Registered

2016-09-01

Start date

2016-09-01

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

common bile duct stones

Interventions

Olympus Stone Master V Olympus Clever Cut Boston Scientific CRE wire guided dilatation balloon catheter

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients whose shorter diameter of common bile duct stones is larger than 10mm.

Exclusion criteria

Exclusion criteria: 1. Patients younger than 20 years old 2. Patients who have been performed endoscopic sphincterotomy. 3. Patients whose stones cannot be removed in first session because of serious cholangitis. 4. Patients who were difficult to perform endoscopic therapy because of gastrointestinal obstruction or others. 5. Patients without consent. 6. Patients with histories of abdominal surgeries. 7. Patients for whom endoscopic sphincterotomy is difficult with high risk of bleeding. 8. Patients whose shorter diameter of common bile duct stones were longer than diameter of common bile duct.

Design outcomes

Primary

Measure	Time frame
Procedure time (Total time, cannulation time, stone removal time)	—

Secondary

Measure	Time frame
1. Complete stone removal rate 2. Complete procedure rate (complete stone removal rate + biriary stenting) 3. No of mechenical lithotripsy 4. patients background 5. Safety 6. Improvement of hepatobiliary laboratory data	—

Countries

Japan

Contacts

Public ContactMitsuru Sugimoto

Fukushima Medical University Gastrotenterology

kita335@fmu.ac.jp024-547-1202

Outcome results

None listed

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