👉 In medicine, an antipriming drug is a medication that blocks or reduces the activity of a specific protein in your body. It's similar to a "treatment" for cancer, but instead of fighting cancer directly, it helps prevent cancer from growing or spreading. Antipriming drugs are used as part of chemotherapy, which is a type of medicine used to treat cancer. Antipriming drugs can be found in certain medications that contain a drug called an anti-cancer enzyme known