TABLE 4

Competitive Inhibition of Accumulation of 99mTc-NC100586 in Human Colon Tumors by STa (5–18) in CD-1 Nude Mice

Site99mTc-NC10058699mTc-NC100586 + 100 μg STa (5–18)
%ID/g
 Tumor1.36 ± 0.220.36 ± 0.07; P < 0.05
 Liver0.40 ± 0.100.23 ± 0.04; NS
 Muscle0.10 ± 0.020.14 ± 0.11; NS
Relative retention
 Tumor2.35 ± 0.560.88 ± 0.25; P < 0.05
 Liver0.69 ± 0.130.56 ± 0.06; NS
 Muscle0.15 ± 0.020.32 ± 0.23; NS
  • NS = not statistically significant.

  • Data collected 120 min after injection in subcutaneous tumor model represent mean ± SD of at least 6 replicate animals. P was calculated using Student t test.