Preclinical studies of [Cu-61]ATSM as a PET radiopharmaceutical for fibrosarcoma imaging

Amir R. Jalilian, Nima Rostampour, Pejman Rowshanfarzad, Kamaleddin Shafaii, Mohsen Kamali-Dehghan, Mehdi Akhlaghi

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[Cu-61] diacetyl-bis(N-4-methylthiosemicarbazone) ([Cu-61]ATSM) was prepared using in house-made diacetyl-bis(N-4-methylthiosemicarbazone) (ATSM) ligand and [Cu-61]CuCl2 produced via the Zn-nat(p, x)Cu-61 (180 mu A proton irradiation, 22 MeV, 3.2 h) and purified by a ion chromatography method. [Cu-61]ATSM radiochemical purity was > 98 %, as shown by HPLC and RTLC methods. [Cu-61]ATSM was administered into normal and tumor bearing rodents for up to 210 minutes, followed by biodistribution and co-incidence imaging studies. Significant tumor/non-tumor accumulation was observed either by animal sacrification or imaging. [Cu-61]ATSM is a positron emission tomography (PET) radiotracer for tumor hypoxia imaging.

Original languageEnglish
Pages (from-to)45-55
Number of pages11
JournalActa Pharmaceutica
Issue number1
Publication statusPublished - 1 Mar 2009

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