TABLE 6

Tissue Distribution of Peptide Mismatch Probe, WT4113, After Systemic Administration (n = 5)

TissueTissue distribution (mean ± SD %ID/g) of WT4113 at the following hours after administration:
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Muscle0.33 ± 0.060.13 ± 0.020.13 ± 0.03
Intestine0.39 ± 0.060.14 ± 0.000.16 ± 0.04
Heart0.35 ± 0.020.29 ± 0.040.19 ± 0.05
Lung0.63 ± 0.050.42 ± 0.080.31 ± 0.06
Blood0.61 ± 0.040.40 ± 0.070.17 ± 0.03
Spleen0.40 ± 0.040.53 ± 0.221.28 ± 0.53
Kidney10.30 ± 1.074.22 ± 0.675.51 ± 1.15
Liver2.00 ± 0.211.56 ± 0.252.74 ± 0.75
Tumor0.53 ± 0.070.28 ± 0.040.20 ± 0.06
T/M ratio1.64 ± 0.292.25 ± 0.691.74 ± 0.88
T/B ratio0.88 ± 0.140.72 ± 0.221.23 ± 0.47
  • T/M ratio = tumor distribution-to-muscle distribution ratio; T/B ratio = tumor distribution-to-blood distribution ratio.