NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,573 terms related to cancer and medicine.

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ALK inhibitor
(… 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 ALK inhibitors are used to treat cancer. They are a type of targeted therapy. Also called anaplastic lymphoma kinase inhibitor.