Multicenter prospective study of stent-in-stent deployment using novel uncovered stent for malignant hilar obstruction

Multicenter prospective study - Multicenter prospective study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037323

Enrollment

Registered

2019-07-11

Start date

2019-05-26

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

Malignant hepatic hilar obstruction

Interventions

HIRZO stent

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Over 20 years Malignant hepatic hilar obstruction with histological evidence Bismuth classification II, III, IV ECOG(Eastern Cooperative Oncology Group) performance status 0-3 Informed content

Exclusion criteria

Exclusion criteria: Inaccessible papilla Over ASA3 Over ECOG 4 Poor prognosis (3 months)

Design outcomes

Primary

Measure	Time frame
Technical feasibility	—

Countries

Japan

Contacts

Public ContactTakeshi Ogura

Osaka Medical College 2nd Department of Internal Medicine

oguratakeshi0411@yahoo.co.jp072-683-1221

Outcome results

None listed

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