NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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cold contaminant-free iobenguane I 131
An I 131 radioiodinated synthetic analogue of the neurotransmitter norepinephrine, manufactured with a proprietary process, with radioisotopic and potential antineoplastic activities. cold contaminant-free iobenguane I 131 (MIBG) localizes to adrenergic tissue and may be used to image or eradicate tumor cells that accumulate and metabolize norepinephrine. This agent is manufactured using a technology that avoids the production of unwanted "cold contaminants" (i.e., carrier molecules), which may cause undesirable side effects and compete with MIBG for binding on target receptor sites. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:cold contaminant-free I 131-MIBG
cold contaminant-free iodine I 131 metaiodobenzylguanidine
ultratrace iodine I 131 metaiodobenzylguanidine
US brand name:Azedra