TABLE 2.

Biodistribution of 99mTc-RP128 in Healthy Volunteers at Different Times After Intravenous Injection

OrganTime after administration
10 min30 min60 min3 h6 h8 h24 h
Brain1.06 ± 0.170.84 ± 0.140.60 ± 0.090.21 ± 0.040.08 ± 0.020.05 ± 0.01ND
Liver4.95 ± 0.423.54 ± 0.262.60 ± 0.181.04 ± 0.140.50 ± 0.140.34 ± 0.050.04 ± 0.03
Spleen1.27 ± 0.150.91 ± 0.070.69 ± 0.080.25 ± 0.050.11 ± 0.030.07 ± 0.01ND
Intestine8.65 ± 1.447.23 ± 1.175.56 ± 0.892.22 ± 0.570.94 ± 0.260.66 ± 0.160.13 ± 0.04
Thyroid0.68 ± 0.040.55 ± 0.030.42 ± 0.030.15 ± 0.020.06 ± 0.010.04 ± 0.01ND
Kidney10.51 ± 2.727.01 ± 1.585.33 ± 1.182.54 ± 0.401.39 ± 0.191.11 ± 0.160.18 ± 0.03
Bladder9.64 ± 3.3219.48 ± 3.7923.37 ± 8.7610.48 ± 9.602.35 ± 3.042.29 ± 2.800.05 ± 0.03
Gonad1.50 ± 0.291.48 ± 0.261.19 ± 0.220.50 ± 0.180.17 ± 0.060.12 ± 0.050.01 ± 0.01
Lung7.37 ± 0.755.47 ± 0.493.89 ± 0.321.32 ± 0.130.49 ± 0.050.31 ± 0.03ND
Heart4.01 ± 0.612.88 ± 0.412.07 ± 0.350.73 ± 0.170.27 ± 0.070.17 ± 0.03ND
Knee joint3.97 ± 1.123.69 ± 0.973.14 ± 0.821.51 ± 0.310.61 ± 0.110.40 ± 0.07ND
Total body100.0093.88 ± 1.2182.33 ± 10.5735.28 ± 11.9912.53 ± 4.059.53 ± 3.511.74 ± 0.15
  • ND = not detectable.

  • Organ uptake is in percentage of injected dose ± SD (mean of eight subjects).