TABLE 1

Comparative Biodistribution of [18F]Galacto-RGD and (c(RGDfE)HEG)2-K-Dpr-[18F]FBOA in M21 and M21L Melanoma-Bearing Nude Mice 60 and 120 Minutes After Injection

Biodistribution[18F]Galacto-RGD (M21)[18F]Galacto-RGD (M21L)(c(RGDfE)HEG)2-K-Dpr-[18F]FBOA
60 min120 min60 min120 min60 min120 min
Blood0.18 ± 0.060.05 ± 0.010.26 ± 0.060.13 ± 0.070.35 ± 0.050.13 ± 0.07
Serum0.34 ± 0.110.09 ± 0.010.49 ± 0.110.22 ± 0.100.51 ± 0.060.15 ± 0.07
Liver1.85 ± 0.391.25 ± 0.052.07 ± 0.201.79 ± 0.580.36 ± 0.030.16 ± 0.07
Intestine0.57 ± 0.043.53 ± 0.440.70 ± 0.190.76 ± 0.270.83 ± 0.280.60 ± 0.12
Kidney1.86 ± 0.101.52 ± 0.102.24 ± 0.211.86 ± 0.461.72 ± 0.180.70 ± 0.32
Spleen0.69 ± 0.100.64 ± 0.090.77 ± 0.020.73 ± 0.140.37 ± 0.020.13 ± 0.03
Heart0.28 ± 0.050.19 ± 0.040.34 ± 0.020.29 ± 0.060.37 ± 0.050.16 ± 0.06
Muscle0.21 ± 0.020.15 ± 0.020.21 ± 0.030.18 ± 0.030.26 ± 0.130.11 ± 0.04
Lung0.76 ± 0.090.53 ± 0.050.83 ± 0.080.71 ± 0.240.85 ± 0.040.35 ± 0.10
Femur0.34 ± 0.050.33 ± 0.020.44 ± 0.060.50 ± 0.100.38 ± 0.110.17 ± 0.07
M211.56 ± 0.151.49 ± 0.102.48 ± 0.151.63 ± 0.13
M21L0.42 ± 0.090.44 ± 0.240.55 ± 0.020.29 ± 0.07
  • Data are given in %ID/g tissue and are mean ± SD (n = 3–5). [18F]Galacto-RGD data are from (20