Equivalent dose (Sv) (RBE, 5 for α-particles and 1 for electrons) | |||||||||||
Tumor (from cell-bound mAbs) | Tumor (total) | ||||||||||
Nuclide | Fraction of mAbs radiolabeled | Administered activity (MBq) | Decays per cell (n) | Bone marrow | Peritoneal fluid | D, 18 μm | D, 60 μm | D, 100 μm | D, 18 μm | D, 60 μm | D, 100 μm |
177Lu | 1/270 | 3,900 | 2,561 | 0.94 | 17 | 0.43 | 0.34 | 0.30 | 8.9 | 8.8 | 8.8 |
90Y | 1/270 | 1,100 | 2,580 | 0.61 | 26 | 0.13 | 0.12 | 0.12 | 13 | 13 | 13 |
188Re | 1/270 | 6,300 | 2,561 | 1.02 | 68 | 0.22 | 0.18 | 0.17 | 34 | 34 | 34 |
211At | 1/200 | 300 | 2,602 | 0.14 | 24 | 231 | 278 | 264 | 244 | 292 | 275 |
213Bi | 1/200 | 3,000 | 953 | 0.02 | 43 | 71 | 80 | 93 | 94 | 104 | 114 |
212Pb | 1/200 | 300 | 2,995 | 0.36 | 37 | 244 | 283 | 288 | 264 | 305 | 305 |
RBE = relative biological effect; D = diameter.