Body weight (A), hemoglobin levels (B), platelets (C), and leukocyte counts (D) of BALB/c nude mice with a subcutaneous PC3 xenograft treated with one, two, or three cycles of TF12/177Lu-IMP288 (2.5 nmol/0.1 nmol, 41 MBq per cycle), 177Lu-hRS7 (15 μg, 11 MBq), 177Lu-IMP288 without pretargeting (0.1 nmol, 41 MBq), or vehicle (PBS, n=10).