[68Ga]Ga-NeoBOMB1 and [177Lu]Lu-NeoBOMB1 showed considerably greater GRPR-specific tumour uptake in PC-3 model mice (30.6 ± 3.9, 28.6 ± 6.0, and more than 35%ID/g, respectively, at 4 h post-injection). This evidence concerns the gene GRPR and neoplasm.