Breast Cancer
Conditions
Brief summary
To explore the real world situation of trastuzumab and lapatinib combined chemotherapy in China, and to explore the relationship between progression free survival and treatment.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* 1\. woman, age \> 18 years old 2. Diagnosed with HER2 +Metastatic Breast Cancer 3. Dual anti-HER2 therapy (lapatinib and trastuzumab) plus chemotherapy for at least one cycle, starting from 2013.09.01-2019.07.31 4. Available medical history
Exclusion criteria
* 1\. Incomplete medical history
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| PFS | 6 weeks | Progression free survival |
| OS | 6 weeks | Overall survival |
| ORR | 6 weeks | Objective Response Rate |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Treatment Pattern | 6 weeks | Choice of Treatment |
Countries
China