PD-1 blocker

What does "PD-1 blocker" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

A PD-1 blocker is a type of medication used in cancer treatment. It works by blocking a protein called PD-1 on the surface of certain cells in the immune system. This helps the immune system recognize and attack cancer cells more effectively.

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