NCIt definition : The pentasodium salt form of lexidronam (ethylenediaminetetramethylenephosphonic acid;
EDTMP), a phosphonate analog of ethylenediaminetetraacetic acid (EDTA), with chelating
activity. Lexidronam binds to and associates with hydroxyapatite crystals concentrated
in areas of bone turnover. It has been used as a radiopharmaceutical in complexes
with radioactive metals to selectively deliver cytotoxic radiation to osteoblastic
bone metastases.;
Semantic type(s)