QuadrametActive Ingredient(s): Samarium-153 Lexidronam
FDA Approved: * March 28, 1997
Pharm Company: * CYTOGEN
Samarium (153Sm) lexidronam (chemical name Samarium-153-ethylene diamine tetramethylene phosphonate, abbreviated Samarium-153 EDTMP, trade name Quadramet) is a chelated complex of a radioisotope of the element samarium with EDTMP. It is used to treat pain when cancer has spread to the bone. It is injected into a vein and distributed throughout the body, where it is preferentially absorbed in areas where cancer has invaded the bone. The radioisotope 153Sm... [wikipedia]* May have multiple approval dates, manufacturers, or labelers.