Multicenter randomized controlled trial of endoscopic treatment for conventional bile duct stone:ordinary sphincterotomy vs.papillary balloon dilation with minor sphincterotomy

Multicenter randomized controlled trial of endoscopic treatment for conventional bile duct stone:ordinary sphincterotomy vs.papillary balloon dilation with minor sphincterotomy - Multicenter randomized controlled trial of endoscopic treatment for conventional bile duct stone:ordinary sphincterotomy vs.papillary balloon dilation with minor sphincterotomy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000019610

Enrollment

220

Registered

2015-11-02

Start date

2015-10-05

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

Bile duct stones

Interventions

ordinary sphincterotomy papillary balloon dilation with minor sphincterotomy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Untreated Duodenum main 2)Bile duct stones of <= 12 mm 3)Written informed concent

Exclusion criteria

Exclusion criteria: 1)Severe bleeding tendency 2)Post-operation of stomach, duodenum, bile duct 3)Non-adaptive case of endoscopic procedure 4)Other problem(s) in the opinion of the Investigator(s)

Design outcomes

Primary

Measure	Time frame
The necessity of mechanical lithotripsy	—

Secondary

Measure	Time frame
Fluoroscopy time, procedure time, complete stome removal, and complications.	—

Countries

Japan

Contacts

Public ContactMiyuki Niimi

Saku Central Hospital Advanced Care Center Clinical Research Center

ctroffice@sakuhp.or.jp0267-62-8181

Outcome results

None listed

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