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Why does PD-L1 testing matter?

PD-L1 testing offers a treatment option for patients with metastatic triple-negative breast cancer (mTNBC). Understanding the makeup of your breast cancer is important. If your cancer is PD-L1+, TECENTRIQ may be an option for you.

What is PD-L1?

With mTNBC, some cancer cells can go undetected because of the presence of a protein called programmed death-ligand 1, or PD-L1. PD-L1 on cancer cells may bind to your immune cells. When it does this, the cancer cells are seen as healthy cells. If your cancer cells have PD-L1, you may be diagnosed with what is called PD-L1+ mTNBC.

How do I get the PD-L1 test?

  • Ask your oncologist about PD-L1 testing
  • A tissue sample is needed to see if your breast cancer is PD-L1+. Your oncologist will send your sample to the appropriate lab to be tested for the PD-L1 protein. A new biopsy may be required, or the lab may be able to use your existing sample
  • When your oncologist gets your test results, they will talk to you about treatment options. If your cancer is PD-L1+, your options may include cancer immunotherapy

Here are some suggestions to start a PD-L1 testing conversation with your doctor:

  • I understand I have mTNBC, but is my cancer PD-L1+?
  • Do I need to have a new biopsy in order to be tested?
  • Am I a candidate for the immunotherapy combination treatment available for PD-L1+ mTNBC?
  • Is TECENTRIQ right for me?

How TECENTRIQ may help

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