Prospective evaluation of radiofrequency ablation for stent occlusion after bilateral metal stent placement in patients with malignant hilar biliary obstructions

Prospective evaluation of radiofrequency ablation for stent occlusion after bilateral metal stent placement in patients with malignant hilar biliary obstructions - Prospective evaluation of radiofrequency ablation for stent occlusion after bilateral metal stent placement in patients with malignant hilar biliary obstructions

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040154

Enrollment

Registered

2020-04-14

Start date

2020-04-14

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

unresectable malignant hilar biliary obstruction

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who underwent bilateral metal stent placement for malignant hilar biliary obstruction 2) Patients with stent occlusion because of ingrowth

Exclusion criteria

Exclusion criteria: 1) Patients having difficulty in endoscopy 2) Patients having difficulty in transpapillary approach 3) Patients with surgically altered anatomy 4) Contraindication of RFA 5) Insufficient contact between the electrodes and the tissue 6) Performance status 4 7) Patients without informed consent 8) Inappropriate patients for entry on this study in the judgement of their research investigator

Design outcomes

Primary

Measure	Time frame
Technical and functional success	—

Countries

Japan

Contacts

Public ContactTadahisa Inoue

Aichi Medical University Department of Gastroenterology

tinoue-tag@umin.ac.jp0561623311

Outcome results