Clinical outcomes comparing wait-and-see and early intervention strategies for asymptomatic bile duct stones.

Clinical outcomes comparing wait-and-see and early intervention strategies for asymptomatic bile duct stones. - Silent study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000056409

Enrollment

1000

Registered

2024-12-10

Start date

2024-12-14

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

asymptomatic bile duct stones

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who are diagnosed to have bile duct stones. 2) Patients without symptoms (e.g., abdominal pain or fever) or elevated liver enzyme. 3) Patients who are 18 years old or more.

Exclusion criteria

Exclusion criteria: 1) Patients with previous history of biliary drainage. 2) Patients with previous endoscopic papillectomy. 3) Patients with previous biliary surgery. 4) Patients with history of cholangitis, cholecystitis, or liver abscess. 5) Patients with previous history of cholestasis. 6) Patients with biliary stricture. 7) Patients with hepatolithiasis. 8) Patients with surgically-altered anatomy (Billroth-II or Roux-en-Y reconstruction). 9) Patients who are undergoing surgical bile duct extraction with cholecystectomy. 10) Patients under 18 years old or with pregnancy.

Design outcomes

Primary

Measure	Time frame
the composite rate of adverse events	—

Countries

Japan

Contacts

Public ContactNobuhiko Hayashi

University of Toyama Third Department of Internal Medicine

hayashi@med.u-toyama.ac.jp076-434-7301

Outcome results