Tokyo, Oct. 1 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062290) titled 'Multicenter observational study of endoscopic ultrasound-guided tissue acquisition for ampullary tumor' on Oct. 1.

Study Type: Observational

Primary Sponsor: Institute - Kyushu University

Condition: Condition - Ampullary tumor Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To evaluate the usefulness of endoscopic ultrasound-guided tissue acquisition for ampullary tumor Basic objectives2 - Others

Eligibility: Age-lower limit - 20 years-old <= Age-upper limit - Not applicable Gender - Male and Female Key inclusion criteria - 1. Over 20 years old 2. Patients wit...