Safety and efficacy of transpapillary biliary drainage using a long plastic stent for malignant distal biliary obstruction

Safety and efficacy of transpapillary biliary drainage using a long plastic stent for malignant distal biliary obstruction - Safety and efficacy of transpapillary biliary drainage using a long plastic stent for malignant distal biliary obstruction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046530

Enrollment

Registered

2022-01-05

Start date

2022-01-04

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 distal biliary obstruction due to unresectable malignant tumor

Interventions

Based on the length required to position the tip in the duodenojejunal flexure on fluoroscopic imaging, a 7.5Fr endoscopic nasobiliary drainage tube is cut.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 20 years and more Distal biliary obstruction due to unresectable malignant tumor, and biliary stenting is planned.

Exclusion criteria

Exclusion criteria: Surgically altered anatomy Proximal biliary stricture Performance status score of 4, Serious complications in other organs (ASA category 3 and more) Life expectancy less than 3 months.

Design outcomes

Primary

Measure	Time frame
Time to recurrent biliary obstruction	—

Countries

Japan

Contacts

Public ContactKoichiro Mandai

Kyoto Second Red Cross Hospital Gastroenterology

mndkchr@gmail.com0752315171

Outcome results

None listed

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