Tokyo, May 1 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000061426) titled 'Efficacy and safety of EUS-guided hepaticoduodenostomy for unresectable malignant hilar biliary obstruction: A multicenter retrospective study using propensity score matching' on May 1.

Study Type: Observational

Primary Sponsor: Institute - National Cancer Center Japan

Condition: Condition - Unresectable malignant hilar biliary obstruction Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To retrospectively investigate the technical and clinical success, safety profile, time to recurrent biliary obstruction (TRBO), and re-intervention success of EUS-HDS in patients with unresectable MHBO. Basic objectives2 - Safety,Efficacy

Eligibility: Age-lower limit - 18 years-old <= Age-upper limit - Not applicable Gender - Male and Female Key inclusion criteria - Cohort 1(Single-arm analysis): Patients who underwent EUS-HDS for unresectable malignant hilar biliary obstruction (MHBO) between January 2015 and April 2026.

Cohort 2 (Comparative analysis): Patients who underwent either EUS-HDS or EUS-HGS for unresectable MHBO between January 2015 and April 2026. Key exclusion criteria - General exclusion criteria (for both cohorts): 1) Benign biliary strictures. 2) Malignant biliary strictures resulting from postoperative anastomotic recurrence. 3) Bismuth type I malignant hilar biliary obstruction (MHBO).

Specific exclusion criteria for Cohort 2 (Comparative analysis): 1) Cases involving EUS-guided biliary drainage (EUS-BD) with bridging stenting. 2) Cases in which both EUS-HDS and EUS-HGS were performed within 14 days. Target Size - 270

Recruitment Status: Recruitment status - Enrolling by invitation Date of protocol fixation - 2026 Year 02 Month 02 Day Date of IRB - 2026 Year 03 Month 25 Day Anticipated trial start date - 2026 Year 03 Month 25 Day Last follow-up date - 2027 Year 04 Month 30 Day

To know more, visit https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070254

Disclaimer: Curated by HT Syndication.