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NCI Dictionary of Cancer Terms


azathioprine sodium  listen  (AY-zuh-THY-oh-preen SOH-dee-um)

  A drug used to keep a patient from rejecting a transplanted kidney. It is also used in the treatment of rheumatoid arthritis that does not get better with other types of treatment. Azathioprine sodium blocks the growth of white blood cells and the synthesis of DNA, RNA, and protein. It is a type of immunosuppressant.