NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,863 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

A drug used with another drug to treat chronic lymphocytic leukemia (CLL) that has not already been treated. It is also being studied in the treatment of other types of cancer. Gazyva binds to a protein called CD20, which is found on B cells (a type of white blood cell) and some types of leukemia cells. This may help the immune system kill cancer cells. Gazyva is a type of monoclonal antibody. Also called obinutuzumab.