Is newly modified endoscopic large balloon dilatation without endoscopic sphincterotomy effective for difficult bile duct stone removal?

Is newly modified endoscopic large balloon dilatation without endoscopic sphincterotomy effective for difficult bile duct stone removal? - non-EST+EPLBD Efficacy and safety

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011533

Enrollment

Registered

2013-08-20

Start date

2011-07-30

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 stone

Interventions

Sphincteroplasty

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Distal CBD diameter 11mm more Maximum CBD stone diameter 10mm more

Exclusion criteria

Exclusion criteria: coagrapathy need for precutting acute cholangitis, acute pancreas previous EST distal CBD 21mm more benign or malignant biliary stricture not agreement

Design outcomes

Primary

Measure	Time frame
complete stone clearance	—

Secondary

Measure	Time frame
initial complete stone clearance, number of session, application of mechanical lithotripsy, adverse events disappeared waist vs not disappeared waist	—

Countries

Japan

Contacts

Public ContactShigefumi Omuta

Toho university ohashi medical center Gastroenterology and Hepatoplogy

muta@oha.toho-u.ac.jp81-3-3468-1251

Outcome results

None listed

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