Biliary decompression by new-type slim metal stents for unresectable malignant hilar biliary obstruction: multicenter prospective observational study

Biliary decompression by new-type slim metal stents for unresectable malignant hilar biliary obstruction: multicenter prospective observational study - B-slim

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000039752

Enrollment

Registered

2020-03-10

Start date

2020-03-10

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

unresectable malignant hilar biliary obstruction

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Unresctable malignant hilar obstruction 2) Total bilirubin of 2.0 mg/dL or more before initial biliary decompression 3) Without history of biliary stenting or with no dysfunction of previous biliary stent 4) Prognosis of 6 months or more survival 5) With 6-mm nowvel biliary metal stents intubated 6) Written informed consent

Exclusion criteria

Exclusion criteria: 1) Upper gastrointestinal surgical reconstruction except for Billroth-I anastmosis 2) Scheduled for curative resection of malignant hilar biliary disease 3) After biliary stenting with unremovable biliary stent 4) Necessary for biliary stenting across the major papilla 5) ASA class 4 or more 6) Severe comorbidity/active infection/PSC/PBC/IgG4-SC 7) Judgement by the primary doctor or the medical team

Design outcomes

Primary

Measure	Time frame
Patency of new-type stents 6 months after stent placetment	—

Countries

Japan

Contacts

Public ContactMasaki Kuwatani

Hokkaido University Hospital Gastroenterology and Hepatology

mkuwatan@med.hokudai.ac.jp011-716-1161

Outcome results