samarium Sm 153 lexidronam pentasodium
Cancer
(suh-MAYR-ee-umâ¦LEK-sih-DROH-nam PEN-tuh-SOH-dee-um) A drug used to treat pain caused by bone cancer and other cancers that have spread to the bones. Samarium Sm 153 lexidronam pentasodium is a type of radiopharmaceutical. Also called Quadramet.