Tokyo, Sept. 21 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062312) titled 'A Multicenter Prospective Observational Study Evaluating Effectiveness and Safety of Trastuzumab Deruxtecan in HER2-Positive Gastric Cancer Patients without HER2 Status Immediately Prior to Second-Line Treatment' on Sept. 21.

Study Type: Observational

Primary Sponsor: Institute - NAGOYA UNIVERSITY HOSPITAL

Condition: Condition - HER2-positive gastric cancer Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To evaluate the effectiveness and safety of T-DXd as second-line treatment in real-world patients with initially HER2-positive gastric cancer whose HER2 stat...