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Development of noble radiotherapy using 64Cu-ATSM for malignant brain tumor Hiroaki Kurihara 1 1Department of Diagnostic and Interventional Radiology Kanagawa Cancer Center Keyword: Cu-ATSM , internal radiotherapy , malignant brain tumor pp.1009-1015
Published Date 2020/8/10
DOI https://doi.org/10.18888/rp.0000001357
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Survivals of malignant brain tumors such as glioblastoma are known to be extremely low. Hypoxic environment within malignant brain tumor has been reported to be associated with the therapy-resistance. We have developed a radioactive compound of 64Cu-ATSM, which can accumulate in tumor hypoxic environment and damage the hypoxic tumor cells. We have obtained pre-clinical POC data indicating that 64Cu-ATSM can effectively inhibit tumor growth and elongate survival with low toxicity using with a mouse glioblastoma xenograft model. Clinical PET imaging study also revealed that radioactive Cu-ATSM accumulates in relapsed glioblastoma, primary central nerve system lymphoma, lung cancer, breast cancer, and so on. These findings suggested that therapeutic 64Cu-ATSM could also accumulate within hypoxic malignant tumor and kill the hypoxic tumor cell, which provide a promising option for the treatment of malignant brain tumors.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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