NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,385 terms related to cancer and medicine.

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anaplastic lymphoma kinase inhibitor
(A-nuh-PLAS-tik lim-FOH-muh KY-nays in-HIH-bih-ter)
A substance that blocks the activity of a protein called anaplastic lymphoma kinase (ALK), which helps control cell growth. Blocking this protein may help keep cancer cells from growing and spreading. Some anaplastic lymphoma kinase inhibitors are used to treat cancer. They are a type of targeted therapy. Also called ALK inhibitor.