Tokyo, June 18 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000057601) titled 'A Retrospective Cohort Study of T-DXd administration in HER2-Positive, Low-Expressing Advanced Breast Cancer Patients with History of Interstitial Lung Disease' on June 15.

Study Type: Observational

Primary Sponsor: Institute - CSPOR-BC

Condition: Condition - advanced recurrent breast cancer Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To evaluate the safety and effectiveness of T-DXd in patients with ILD history. Cohort 1:ILD history by T-DXd Cohort 2 ILD history by anticancer drugs other than T-DXd Basic objectives2 - Safety

Eligibility: Age-lower limit ...