Overview
This multi-center observational retrospective study will collect real-world clinical data from eligible patients with unresectable or metastatic HER2+ breast cancer who have received one or more cycles Trastuzumab Deruxtecan in Russian Federation
Description
This multi-center observational retrospective study will collect real-world clinical data from eligible patients with unresectable or metastatic HER2+ breast cancer who have received one or more cycles Trastuzumab Deruxtecan in Russian Federation
The aim of this trial is to explore the real-world effectiveness T-Dxd and potential predictors in Russian metastatic breast cancer patients
Eligibility
Inclusion Criteria:
- Patients aged over 18 years old.
- Metastatic breast cancer included unresectable locally advanced breast cancer, de novo stage IV breast cancer, and recurrent metastatic breast cancer.
- Patients has received Trastuzumab Deruxtecan
- Available medical history.
Exclusion Criteria:
- Incomplete medical history.
- Pregnancy or breast-breeding