TABLE 1

Biodistribution of 124I-HuA33 mAb in BALB/c Nude Mice Bearing SW1222 and Control (LIM 2537) Colon Carcinoma Xenografts

Organ4 h24 h48 h96 h168 h240 h
Blood26.60 ± 2.9115.14 ± 3.709.25 ± 1.524.79 ± 1.211.50 ± 0.380.52 ± 0.20
SW1222 tumor12.45 ± 1.3931.58 ± 2.9138.92 ± 5.4149.99 ± 7.0337.24 ± 5.3817.28 ± 4.41
LIM 2537 tumor6.27 ± 0.806.19 ± 2.934.72 ± 2.933.86 ± 0.281.07 ± 0.270.25 ± 0.04
Liver8.07 ± 2.684.07 ± 0.930.88 ± 1.121.64 ± 0.410.29 ± 0.360.19 ± 0.21
Spleen6.45 ± 0.684.01 ± 1.819.58 ± 7.281.00 ± 0.482.64 ± 2.920.24 ± 0.05
Kidney9.64 ± 2.235.21 ± 1.241.76 ± 1.331.88 ± 0.351.12 ± 0.620.26 ± 0.09
Skin3.26 ± 0.185.49 ± 0.871.24 ± 1.391.57 ± 0.670.19 ± 0.110.21 ± 0.04
Bone2.60 ± 0.261.88 ± 0.594.37 ± 3.123.15 ± 3.771.31 ± 1.340.14 ± 0.05
Lung11.66 ± 1.506.49 ± 1.782.73 ± 1.672.14 ± 0.791.70 ± 0.960.39 ± 0.16
Heart7.62 ± 0.734.01 ± 1.073.58 ± 2.212.96 ± 2.580.56 ± 0.320.27 ± 0.09
Stomach5.31 ± 1.465.03 ± 5.091.12 ± 0.711.48 ± 0.080.35 ± 0.081.06 ± 0.17
Small bowel3.26 ± 0.822.88 ± 0.241.40 ± 0.770.44 ± 0.100.24 ± 0.100.38 ± 0.09
  • Data are mean (±SD) %ID/g tissue. n = five mice per time point.