Exploratory prospective study of the incidence of cholecystitis after endoscopic biliary drainage using a novel partially covered self-expandable metallic stent for unresectable malignant distal biliary obstruction

Exploratory prospective study of the incidence of cholecystitis after endoscopic biliary drainage using a novel partially covered self-expandable metallic stent for unresectable malignant distal biliary obstruction - Exploratory prospective study of the incidence of cholecystitis after endoscopic biliary drainage using a novel partially covered self-expandable metallic stent for unresectable malignant distal biliary obstruction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051182

Enrollment

Registered

2023-06-01

Start date

2023-06-01

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

patients with unresectable malignant distal biliary obstruction

Interventions

Endoscopic biliary drainage using a novel partially covered self-expandable matallic stent for unresectable malignant distal biliary obstruction.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. age =>20 2. patients with malignant distal biliary obstruction 3. unresectable 4. providing written informed consent

Exclusion criteria

Exclusion criteria: 1. ECOG performance status 4 2. after cholecystectomy 3. under 2cm from hilar bile duct to obstruction 4. with gastric outlet obstruction 5. after gastric surgery (excluding Billroth-I) 6. history of metal allergy

Design outcomes

Primary

Measure	Time frame
incidence of cholecystitis	—

Countries

Japan

Contacts

Public ContactKosuke Okuwaki

Kitasato University School of Medicine Department of Gastroenterology

kokuwaki@kitasato-u.ac.jp+81-42-778-8111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 18, 2026