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.
( A-nuh-PLAS-tik lim-FOH-muh KY-nays in-HIH-bih-ter )
Source: NCI Dictionary of Cancer Terms
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