HER2-positive metastatic breast cancer
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. It has been diagnosed as HER2-positive breast cancer by the pathological diagnosis. 2. It has been diagnosed with metastatic breast cancer (Stage IV breast cancer or recurrent breast cancer). 3. Between January 1st, 2014 and December 31st, 2018, at least one line of following treatment has begun after the first trastuzumeb emtansine (T-DM1) treatment for Stage IV breast cancer or recurrent breast cancer.
Exclusion criteria
Exclusion criteria: 1. The case where the following treatment after the first trastuzumeb emtansine (T-DM1) is registered in the clinical trial of derug development 2. Patients judged to be inappropriate as targets by the judgment of other doctors
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Response rate of the next treatment after trastuzumab emtansine (T-DM1) | — |
Countries
Japan
Contacts
West Japan Oncology Group WJOG datacenter