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The Thymidine Phosphorylase Imaging Agent 123I-IIMU Predicts the Efficacy of Capecitabine
Journal of Nuclear Medicine
Recently, companion diagnostics with nuclear medicine techniques have been anticipated as more suitable means than biopsy for predicting treatment efficacy. The anti-cancer effect of capecitabine, an orally administered chemotherapeutic agent activated by thymidine phosphorylase (TP), is positively associated with tumor TP expression levels. This study aimed to assess whether TP imaging using a radiolabeled uracil derivative, 123 I-5-iodo-6-[(2-iminoimidazolidinyl)methyl]uracil ( 123 I-IIMU),doi:10.2967/jnumed.115.165811 pmid:27056620 fatcat:jf5wv3ufvffsbopbn4245zscfy