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Norepinephrine Transporter-Targeted Cancer Theranostics-New Horizons
Takahiro Higuchi, Konrad Klimek1, Daniel Groener1
1Clinic for Radiology and Nuclear Medicine, Department of Nuclear Medicine, Goethe University Frankfurt, University Hospital, Frankfurt, Germany.
Abstract:
In the evolving landscape of precision oncology, this review delineates the role of radiopharmaceuticals targeting the norepinephrine transporter (NET), with a particular focus on the current clinical application of 123 I-MIBG diagnostic imaging and 131 I-MIBG therapeutics, in particular for pheochromocytoma, neuroblastoma, or paraganglioma. We will also highlight recently introduced 18 F-labeled NET targeting imaging radiotracers, which would offer unparalleled resolution, enhanced tumor localization, and staging properties. Complementing these novel second-generation PET agents in a theranostic approach, astatine-211 meta-astatobenzylguanidine ( 211 At-MABG) would leverage the advantages of alpha-particles to selectively target and eradicate NET-expressing tumor cells with minimal off-target effects.
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