How does it kill cancer cells?
Key Points
Pembrolizumab (brand name: Keytruda) is a type of immunotherapy drug known as an Immune Checkpoint Inhibitor. It blocks the PD-1 (programmed death receptor-1) pathway to help prevent cancer cells from hiding from the immune system. Pembrolizumab is not a chemotherapy drug or radiation treatment and does not attack cancer cells directly.
Pembrolizumab treats many different types of cancers, including lung cancer, melanoma (a type of skin cancer), and triple negative breast cancer.
Here’s how it works:
Related: Pembrolizumab side effects (in more detail)
Bottom Line
Pembrolizumab (Keytruda) is a type of immunotherapy drug known as an Immune Checkpoint Inhibitor. It blocks the PD-1 (programmed death receptor-1) pathway to help prevent cancer cells from hiding from the immune system.
Pembrolizumab binds to the PD-1 receptor on the T-cell and helps to block the cancer cells from linking to and inactivating the cancer-fighting T-cells. While having an effect on the tumor, this could also affect normal healthy cells.
Pembrolizumab is not a chemotherapy drug or radiation treatment and does not attack cancer cells directly.
This is not all the information you need to know about pembrolizumab for safe and effective use and does not replace your doctor's advice. Review the full pembrolizumab (Keytruda) product information here, and discuss this information with your doctor or other health care provider before you start treatment.
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