A prospective study of endoscopic biliary stone extraction using offset balloon catheter

A prospective study of endoscopic biliary stone extraction using offset balloon catheter - Offset balloon vs conventional balloon in biliary stone extraction

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017733

Enrollment

160

Registered

2015-06-01

Start date

2015-06-01

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 stone

Interventions

A group undergo biliary stone extraction using an offset balloon catheter A group undergo biliary stone extraction using a conventional balloon catheter

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with common bile duct stone confirmed by cholangiogram

Exclusion criteria

Exclusion criteria: 1) ASA physical status class of >=3 2) Billroth II or Roux-en-Y reconstruction 3) Bile duct diameter>=20mm 4) Malignant biliary stenosis 5) Large balloon dilation performed 6) Patients with bleeding tendency 7) Acute pancreatitis 8) Severe renal disease, respiratory disease, cardiac disease 9) Impossible to decision making 10) In case that doctors judge inappropriate for the entry

Design outcomes

Primary

Measure	Time frame
Success rate of complete stone removal by balloon catheter only	—

Secondary

Measure	Time frame
Time to biliary stone extraction using balloon catheter Incidence rate and severity of complications	—

Countries

Japan

Contacts

Public ContactHiroko Shindo

University of Yamanashi Hospital First Department of Internal Medicine

shindoh@yamanashi.ac.jp055-273-9584

Outcome results

None listed

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