Tokyo, June 26 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000057863) titled 'Examination of biomarkers for progression or long-term response in trastuzumab deruxtecan (EXPLORE study)' on May 19

Study Type:

Observational

Study Design:

Primary Sponser:

Institute - Eisai Co.,Ltd.

Condition:

Condition - HER2-negative or HER2-low unresectable or recurrent breast cancer Classification by malignancy - Malignancy Genomic information - YES

Objective:

Intervention:

Eligibility:

Age-lower limit - 18 years-old

1. HER2 positive/early progression; 2nd line therapy: less than 9M, 3rd line therapy: less than 6M, 4th line therapy: less than 6M 2. HER2 positive/effective; 2nd line therapy: more...