TABLE 3

Tissue Distribution Ratios After Coinjection in Mice of 211At-Trastuzumab and 125I-Trastuzumab Labeled by Conventional Procedure

Tissue distribution ratio* at:
Tissue1 h3 h6 h11 h24 h
Blood0.92 ± 0.020.91 ± 0.010.98 ± 0.041.01 ± 0.020.96 ± 0.02
Neck1.03 ± 0.031.11 ± 0.081.40 ± 0.121.13 ± 0.071.48 ± 0.15
Salivary gland1.14 ± 0.101.15 ± 0.111.28 ± 0.041.16 ± 0.071.18 ± 0.05
Heart0.99 ± 0.010.98 ± 0.091.03 ± 0.041.02 ± 0.030.98 ± 0.03
Lung1.03 ± 0.011.04 ± 0.031.11 ± 0.041.12 ± 0.051.06 ± 0.05
Liver0.87 ± 0.030.87 ± 0.090.81 ± 0.030.84 ± 0.050.85 ± 0.06
Stomach1.34 ± 0.062.03 ± 0.251.85 ± 0.182.12 ± 0.331.62 ± 0.15
Small intestine0.99 ± 0.010.97 ± 0.030.97 ± 0.050.94 ± 0.090.94 ± 0.03
Large intestine1.03 ± 0.051.06 ± 0.051.06 ± 0.060.93 ± 0.070.92 ± 0.08
Kidney0.93 ± 0.010.96 ± 0.021.02 ± 0.021.03 ± 0.031.01 ± 0.01
Muscle1.04 ± 0.051.08 ± 0.091.11 ± 0.040.96 ± 0.060.97 ± 0.04
Spleen0.98 ± 0.050.98 ± 0.070.80 ± 0.040.82 ± 0.110.92 ± 0.08
  • * Results are given as mean ± SD (%IA/g for 211At/%IA/g for 125I) for 4 animals at each time point.