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NCI Drug Dictionary

NCI Drug Dictionary

  

iodine I 131 
A radioactive isotope of iodine with an atomic mass of 131, a half life of eight days, and potential antineoplastic activity. Selectively accumulating in the thyroid gland, iodine I 131 emits beta and gamma particles, thereby killing thyroid cells and decreasing thyroid hormone production. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
US brand name:Iodotope
Foreign brand name:Iodotrope
Abbreviation:I 131