At Day 11, in the [177Lu]Lu-PSMA-4PY group, the tumor volume was significantly smaller than that in the control group (p < 0.05); vt/v0 was 6.81 ± 1.40 for the control group and 3.24 ± 0.85 for [177Lu]Lu-PSMA-4PY group at Day 11. This evidence concerns the gene FOLH1 and neoplasm.