15 min after injection | ||||
PSMA-ligand | 44Sc-PSMA-617 | 177Lu-PSMA-617 | 68Ga-PSMA-617 | 68Ga-PSMA-11 |
Tumor-to-blood | 5.38 ± 0.90 | 4.45 ± 0.66 | 4.15 ± 0.24 | 6.10 ± 1.84 |
Tumor-to-liver | 18.8 ± 5.02 | 20.4 ± 5.48 | 6.02 ± 0.59 | 15.3 ± 3.96 |
Tumor-to-kidney | 0.97 ± 0.21 | 1.06 ± 0.14 | 1.26 ± 0.25 | 0.41 ± 0.14 |
30 min after injection | ||||
44Sc-PSMA-617 | 177Lu-PSMA-617 | 68Ga-PSMA-617 | 68Ga-PSMA-11 | |
Tumor-to-blood | 17.6 ± 1.23 | 16.0 ± 3.52 | 16.9 ± 4.22 | 20.5 ± 6.40 |
Tumor-to-liver | 55.6 ± 7.36 | 53.1 ± 6.68 | 19.0 ± 2.32 | 31.7 ± 2.48 |
Tumor-to-kidney | 1.60 ± 0.22 | 2.09 ± 0.24 | 3.62 ± 0.81 | 0.58 ± 0.10 |
2 h after injection | ||||
44Sc-PSMA-617 | 177Lu-PSMA-617 | 68Ga-PSMA-617 | 68Ga-PSMA-11 | |
Tumor-to-blood | >200 | >200 | >200 | >200 |
Tumor-to-liver | >200 | >200 | 35.2 ± 9.94 | 71.3 ± 7.48 |
Tumor-to-kidney | 7.98 ± 1.71 | 11.6 ± 0.87 | 15.9 ± 3.26 | 0.69 ± 0.12 |