Monoclonal anti-PSMA-antibodies labelled with therapeutic radionuclides such as 131I, 90Y and 177Lu, which are currently being evaluated in clinical trials (clinicaltrials.gov Identifier: NCT00006380, NCT00081172) already demonstrate promising tumour targeting, acceptable toxicity and therapeutic efficiency in humans [19-22]. This evidence concerns the gene FOLH1 and neoplasm.