FOLH1 and neoplasm: had a long plasma circulation time and showed increased tumor accumulation in the PSMA-positive tumor (9.74 ± 2.26 %ID/g), and upon irradiation (671 nm, 100 J/cm2, 55 mW/cm2, 30 or 50 nmol) induced tumor ablation, as well as tumor growth inhibition and in some cases no tumor-recurrence could be observed over 44 days post-PDT 150.