Unknown NA INTERVENTIONAL 2-arm NCT02646514

Efficacy and Safety of Endobiliary Radiofrequency Ablation by Using a Novel RF Catheter (ELRA®) on Maintaining the Patency of Endobiliary Metal Drainage in Patients With Malignant Biliary Strictures : A Double-arm Comparable Study

Sponsor: Yonsei University

Conditions Cholangiocarcinoma, Gallbladder Cancer, Pancreatic Cancer

Interventions Radiofrequency ablation with stenting stenting

Updated 9 times since 2017 Last updated: Jan 24, 2019 Started: Sep 30, 2015 Primary completion: Sep 30, 2019 Completion: Sep 30, 2019

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Cholangiocarcinoma, Gallbladder Cancer, Pancreatic Cancer, this trial is ongoing. The trial is conducted by Yonsei University and has accumulated 9 data snapshots since 2015. Oncology trials at this stage typically focus on safety, tolerability, and early efficacy signals.

Status Flow

Change History

9 versions recorded

Sep 2025 — Present [monthly]

Unknown NA
Sep 2024 — Sep 2025 [monthly]

Unknown NA
Jul 2024 — Sep 2024 [monthly]

Unknown NA

Status: Unknown Status → Unknown
Feb 2021 — Jul 2024 [monthly]

Unknown Status NA

Status: Recruiting → Unknown Status
Jan 2021 — Feb 2021 [monthly]

Recruiting NA

▶ Show 4 earlier versions

Feb 2019 — Jan 2021 [monthly]

Recruiting NA

Status: Unknown Status → Recruiting
Jun 2018 — Feb 2019 [monthly]

Unknown Status NA
Feb 2018 — Jun 2018 [monthly]

Unknown Status NA

Status: Recruiting → Unknown Status
Jan 2017 — Feb 2018 [monthly]

Recruiting NA

First recorded

Sep 2015

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Yonsei University

Data source: Yonsei University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Seoul, South Korea