Throughout this work, different antagonists targeting the Gastrin-releasing peptide receptor (GRPR) were developed. These ligands enable an improved diagnosis and targeted radiotherapy of various GRPR-expressing malignancies, such as prostate and breast tumors. Among the developed compounds, the pharmacophore-modified Bombesin derivative [177Lu]AMTG revealed an enhanced metabolic stability and thus increased tumor accumulation compared to the current golden standards among GRPR-addressing conjugates (RM2, NeoBOMB1) in preclinical studies. For this reason, [177Lu]AMTG is currently evaluated in men.
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Throughout this work, different antagonists targeting the Gastrin-releasing peptide receptor (GRPR) were developed. These ligands enable an improved diagnosis and targeted radiotherapy of various GRPR-expressing malignancies, such as prostate and breast tumors. Among the developed compounds, the pharmacophore-modified Bombesin derivative [177Lu]AMTG revealed an enhanced metabolic stability and thus increased tumor accumulation compared to the current golden standards among GRPR-addressing conjug...
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