Efficacy of inside metallic stent for benign biliary stricture which persisted after plastic stenting: Multicenter prospective observational study

Efficacy of inside metallic stent for benign biliary stricture which persisted after plastic stenting: Multicenter prospective observational study - Efficacy of inside metallic stent for benign biliary stricture

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000027599

Enrollment

Registered

2017-06-01

Start date

2017-05-23

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

Benign biliary stricture

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Patients with refractory benign biliary strictures (Resolution of stricture was not achieved by plastic stent treatment). 2.Malignancy is ruled out by pathological examination and clinical course. 3.Biliary stricture was completely existed on ERC findings, or no flow of contrast material into the downstream within 60 seconds, if stenosis was incomplete. 4.Biliary strictures located above the ampulla 15 mm or more upstream.(Metallic stent could be placed inside the bile duct )

Exclusion criteria

Exclusion criteria: 1.Patients with performance status 3 or 4 2.Patients with severe complications to other organs. 3.Stricture of intrahepatic bile duct 4.Age<20 5.Patients without informed concent 6.The size of bile duct size showed less than 8 mm on first ERC finding. 7.Patients with severe coagulation dysfunction. 8.Patients with hepaticojejunostomy 9.Patients judged inappropriate by chief medical examiner.

Design outcomes

Primary

Measure	Time frame
Rate of stricture resolution at metallic stent removal after 4 month stent placement	—

Secondary

Measure	Time frame
1.Success rate of stent placement 2.Success rate of stent removal 3. Rate of stricture recurrence 4. Adverse events	—

Countries

Japan

Contacts

Public ContactKazuyuki Matsumoto

Okayama University Hospital Department of Endoscopy

matsumotokazuyuki0227@yahoo.co.jp086-235-7219

Outcome results