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NCI Drug Dictionary


strontium chloride Sr 89 
The chloride salt of a radioactive isotope of strontium. Strontium chloride Sr 89 is taken up and incorporated preferentially in metastatic lesions in bone where it emits cytotoxic beta radiation, resulting in an inhibition and/or reduction of tumor growth and so tumor-related bone pain. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
US brand name:Metastron
Abbreviation:Sr89