Efficacy and safety of inside stent in patients with biliary stricture: a prospective multicenter study

Efficacy and safety of inside stent in patients with biliary stricture: a prospective multicenter study - Multicenter Evolving Inside Stent Registry (MEISteR)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013291

Enrollment

200

Registered

2014-03-10

Start date

2014-03-10

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 and malignant biliary stricture

Interventions

Inside stent

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients with benign or malignant biliary stricture. 2) Patients with written informed consent.

Exclusion criteria

Exclusion criteria: 1) Patients with less than 2cm distance between the papilla of Vater and biliary stricture. 2) Patients with tumor invasion to the papilla of Vater. 3) Patients with acute pancreatitis. 4) Patients with pregnancy or possible pregnancy. 5) Patients considered ineligible by the attending physician.

Design outcomes

Primary

Measure	Time frame
1) Stent patency period 2) Time to stent dysfunction	—

Secondary

Measure	Time frame
1) Technical success rate 2) Complication rate 3) resolution rate of benign biliary strictures	—

Countries

Japan

Contacts

Public ContactHirofumi Kogure

Secretariat of Inside Stent Study Group Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo

kogureh-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

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