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Preliminary evaluation of the radiotherapeutic efficacy of I-atorvastatin in rats with hepatocellular carcinoma

Nuclear Science and Techniques, ISSN: 2210-3147, Vol: 31, Issue: 11
2020
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Article Description

As one of the most critical types of cancer, hepatocellular carcinoma (HCC) affects many people worldwide. This study demonstrated the prospective use of atorvastatin, a drug that inhibits the mevalonate pathway, causing hypolipidemia, as a carrier to deliver the iodine-131 (I) isotope to liver tissues for HCC radiotherapy. The atorvastatin radioiodination method was optimized for utilizing the I isotope. The radiochemical quality and the in vitro stability of the generated [I]atorvastatin were investigated. In addition, the biodistribution experiments of [I]atorvastatin were evaluated in both normal and HCC-induced rat models. [I]atorvastatin was produced at a maximum radiochemical yield of 86.7 ± 0.49%. The [I]atorvastatin solution purified via high-performance liquid chromatography showed good in vitro stability for 12 h after tagging. Biodistribution analyses revealed remarkable liver targeting capacity of [I]atorvastatin and good localization of I in liver tissues. Overall, the encouraging biochemical profile and histopathological findings have been reported, and preliminary investigations on the possible use of [I]atorvastatin as a radiotracer and its impact on HCC radiotherapy in rats show promise.

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