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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

samarium Sm 153 lexidronam pentasodium  listen  (suh-MAYR-ee-um…LEK-sih-DROH-nam PEN-tuh-SOH-dee-um)

  A drug used to treat bone pain caused by bone cancer and other cancers that have spread to the bone. It contains a radioactive substance called samarium SM 153. Samarium Sm 153 lexidronam pentasodium collects in bone and gives off radiation that may kill cancer cells. It is a type of radiopharmaceutical. Also called Quadramet.