TABLE 2.
Biomarkers associated with estrogen/antiestrogen response.
| Biomarker | Expression status in responseto letrozole | Response to fulvestrant clinical response | Progression-free survival |
|---|---|---|---|
| ER | Upregulated | Significant | Non-significant |
| PGR | Upregulated | Non-significant | Non-significant |
| IGFBP4 | Upregulated | Non-significant | Non-significant |
| TFF1 | Upregulated | Non-significant | Significant |
| TFF3 | Upregulated | Non-significant | Non-significant |
| TRAP1 | Upregulated | Non-significant | Non-significant |
| TOP2A | Upregulated | Non-significant | Non-significant |
| Vimentin | Downregulated | Significant | Significant |
| PLAU | Downregulated | Non-significant | Non-significant |
| IGFBP5 | Downregulated | Non-significant | Non-significant |