Biodistribution studies in LNCaP xenograft-bearing mice (1 h p.i.)revealed slightly reduced background accumulation of [111In]PSMA-I&T compared to [177Lu]PSMA-I&T and identical tumor uptake of both compounds, leading to increased tumor/background ratios for [111In]PSMA-I&T. This evidence concerns the gene FOLH1 and neoplasm.