The measurement of the distance between desired position and released position when releasing the self-expandable metallic stent to bile duct.

The measurement of the distance between desired position and released position when releasing the self-expandable metallic stent to bile duct. - The measurement of the distance between desired position and released position when releasing the self-expandable metallic stent to bile duct.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032245

Enrollment

Registered

2018-05-01

Start date

2018-07-01

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

distal malignant biliary obstruction

Interventions

Limit of biliary stent

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.over 20 years old 2.Diagnosed as malignant disease 3.Case of obstructive jaundice due to distal biliary obstruction 4.Consent has been obtained 5.Surgery was impossible or did not want surgery

Exclusion criteria

Exclusion criteria: 1.Cases where consent is not obtained 2.Serious mental illness 3.Cases with reconstructed intestinal tract 4.Cases with metal allergy 5.Cases judged to be unsuitable for metal stent placement 6.Cases judged inappropriate for other reasons

Design outcomes

Primary

Measure	Time frame
Evaluation of accuracy of stent released to the bile duct (distance between desired position and released position)	—

Countries

Japan

Contacts

Public ContactHasegawa Rikiya

Kitasato University gastroenterology

k-r.h@kitasato-u.ac.jp042-778-8111

Outcome results

None listed

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