TABLE 1

Human Dosimetry for 18F-FNP-59 (n = 4; 2 Men, 2 Women), Compared with Rodent-Derived Human Estimated 18F-FNP-59, Human 131I-NP-59, and Human 18F-FDG

Human sex average dose
Target organmSv/MBq±95% error, mSv/MBqRodent sex average dose (mSv/MBq)Human 131I-NP59* average dose (mSv/MBq)18F-FDG average dose (mSv/MBq)
Adrenals2.72E–026.82E–036.82E–024.0E+001.3E–02
Brain7.92E–031.41E–033.70E–031.9E–02
Breasts8.43E–031.12E–021.17E–024.0E–019.2E–03
Esophagus1.43E–021.90E–031.43E–02
Eyes7.94E–031.42E–035.22E–03
Gallbladder wall3.09E–013.73E–012.11E–021.3E–02
Left colon1.40E–023.91E–032.85E–02
Small intestine1.34E–023.71E–035.14E–024.1E–011.3E–02
Stomach wall1.48E–023.18E–031.57E–024.0E–011.3E–02
Right colon1.88E–029.58E–035.76E–02
Rectum1.07E–022.09E–031.65E–02
Heart wall1.10E–023.02E–031.60E–025.9E–02
Kidneys1.91E–029.46E–031.51E–024.1E–012.0E–02
Liver7.29E–027.70E–033.45E–021.2E+001.6E–02
Lungs2.19E–028.57E–032.44E–021.7E–02
Ovaries1.06E–021.72E–023.11E–023.8E–011.4E–02
Pancreas1.91E–021.01E–021.68E–024.3E–012.6E–02
Prostate1.69E–021.08E–021.32E–02
Salivary glands8.90E–031.95E–031.10E–02
Red marrow1.07E–022.14E–031.22E–023.9E–011.3E–02
Osteogenic cells1.66E–025.59E–031.04E–023.7E–01
Spleen5.75E–027.92E–023.36E–023.9E–013.8E–02
Testes9.99E–032.94E–026.02E–033.6E–011.1E–02
Thymus1.16E–022.16E–031.40E–021.2E–02
Thyroid1.01E–022.38E–031.25E–023.0E+011.1E–02
Urinary bladder wall1.11E–025.23E–031.32E–023.9E–018.6E–02
Uterus1.03E–021.63E–021.54E–024.0E–011.7E–02
Total body1.20E–022.08E–031.36E–02
Effective dose1.75E–025.33E–031.92E–025.6E+01
  • * ICRP 53 (44).

  • FDA product insert (45).

  • Significant decreased dose, 2 orders of magnitude, is seen with 18F-FNP-59 compared with 131I-NP-59.