samarium Sm 153-lexidronam pentasodium
(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. Also called Quadramet.