NCI Drug Dictionary
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iriduim Ir 192
A radioactive isotope of iridium. Iridium-192 emits gamma rays and has a half-life of 74 days. A high dose rate of this radioisotope can be used in brachytherapy to treat tumors by selectively delivering a cytotoxic dose of radiation to the tumor site. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)