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Comparison of the duration of recurrent bile duct obstruction between two 10 French Plastic Stent and fully covered Self expandable metallic stent for non-resected distal malignant bile duct stenosis: a multicenter randomized non-inferiority stud

Comparison of the duration of recurrent bile duct obstruction between two 10 French Plastic Stent and fully covered Self expandable metallic stent for non-resected distal malignant bile duct stenosis: a multicenter randomized non-inferiority stud - Comparison of the duration of recurrent bile duct obstruction between two 10 French PS and fully covered SEMS for non-resected distal malignant bile duct stenosis: a multicenter randomized non-inferiority stud

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000044178
Enrollment
134
Registered
2021-05-17
Start date
2021-05-17
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 non-resected distal malignant bile duct obstruction

Interventions

Two 10 French plastic stent placement One fully covered self expandable metallic stent placement

Sponsors

The Jikei University school of medicine
Lead Sponsor
Katsushika Medical Center, The Jikei University School of Medicine, Tokyo, Japan. The Jikei University Kashiwa Hospital. Chiba, Japan Atsugi City Hospital, Kanagawa Japan. Fuji City General Hospital, Shizuoka Japan.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients with unresected distal malignant bile duct stenosis who have already undergone initial PS implantation and whose cholangitis and jaundice have been confirmed to have improved. 2. Patients who are 20 years of age or older and have obtained written consent from themselves or a substitute. 3. Patients who can undergo endoscopic papillotomy without antithrombotic medication or with withdrawal of medication. 4. Patients with no history of SEMS placement. 5. The upper margin of the bile duct stenosis has a margin of at least 2 cm above the bifurcation. 6. Performance states 1, 2, 3.

Exclusion criteria

Exclusion criteria: 1. Cases in which endoscopic retrograde cholangiography is difficult. 2. Patients with peri-hilar bile duct obstruction. 3. Patients with altered gastrointestinal anatomy excluding Billroth-I reconstruction. 4. Patients with serious complications in other organs. 5. Performance status 4 6. Cases of pregnancy or possible pregnancy 7. Cases deemed inappropriate by the principal investigator or sub-investigator 8. Underage patients(less than 20 years old)

Design outcomes

Primary

MeasureTime frame
Comparison of the duration of recurrent bile duct obstruction between two 10 French PS and one fully covered SEMS for non-resected distal malignant bile duct stenosis.

Countries

Japan

Contacts

Public ContactMasafumi Chiba

The Jikei University School of Medicine, Tokyo, Japan Department of Endoscopy

ccl09720@gmail.com+81334331113181

Outcome results

None listed

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