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water O-15
An inert, radiopharmaceutical of oxygen-15 (O-15) labeled water used as a tracer molecule with positron emission tomography (PET). Upon administration, water O-15 is freely diffusible and its distribution, as well as its clearance, are completely dependent on the rate of blood flow. Water O-15 can be imaged using PET to measure tissue or tumor blood flow/perfusion. This cyclotron product has a very short half life of about 2 minutes thereby allowing for multiple, serial measurements. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
| Synonym: | | [15O] water | |
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| Abbreviation: | | [15O]-H2O | |
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