Multicenter retrospective study of preoperative endoscopic biliary drainage status for malignant hilar biliary obstruction

Multicenter retrospective study of preoperative endoscopic biliary drainage status for malignant hilar biliary obstruction - Multicenter retrospective study of preoperative endoscopic biliary drainage status for malignant hilar biliary obstruction

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040605

Enrollment

219

Registered

2020-06-01

Start date

2019-05-23

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

Hilar cholangiocarcinoma, gallbladder cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) primary malignant bile duct cancer 2) main biliary stricture located within 2 cm from the hepatic hilum 3) preoperative biliary drainage until surgery

Exclusion criteria

Exclusion criteria: 1) percutaneous transhepatic biliary drainage before radical surgery 2) complex endoscopic biliary drainage methods 3) preoperative chemotherapy or radiation therapy for malignant hailr biliary obstruction 4) history of gastrointestinal tract reconstruction

Design outcomes

Primary

Measure	Time frame
Dysfunction rate of preoperative endoscopic biliary drainage tubes/stents until surgery	—

Countries

Japan

Contacts

Public ContactRyo Sugiura

Hokkaido University Faculty of Medicine and Graduate School of Medicine Department of Gastroenterology and Hepatology

rsugiura-hok@umin.ac.jp011-716-1161

Outcome results