Table 5.

Biodistribution of ligands radiolabeled with ¹⁵³Gd in Non-Tumor Bearing Athymic Mice

Ligand	Tissue	Timpoints (hr)
		0.50	1.00	4.00	8.00	24.00
C-NE3TA	Blood	1.41 ± 0.57	0.20 ± 0.08	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
	Liver	1.74 ± 0.69	0.58 ± 0.22	0.03 ± 0.01	0.02 ± 0.00	0.02 ± 0.01
	Spleen	0.50 ± 0.37	0.24 ± 0.05	0.02 ± 0.00	0.02 ± 0.00	0.01 ± 0.01
	Kidney	4.28 ± 1.33	1.13 ± 0.12	0.52 ± 0.04	0.38 ± 0.06	0.16 ± 0.11
	Lung	0.91 ± 0.28	0.32 ± 0.09	0.03 ± 0.00	0.02 ± 0.00	0.01 ± 0.01
	Heart	0.43 ± 0.16	0.14 ± 0.06	0.01 ± 0.00	0.01 ± 0.00	0.13 ± 0.27
	Femur	0.43 ± 0.14	1.30 ± 0.58	0.02 ± 0.01	0.02 ± 0.00	0.01 ± 0.00
C-NETA	Blood	1.33 ± 0.32	0.39 ± 0.07	0.05 ± 0.02	0.03 ± 0.01	0.01 ± 0.01
	Liver	2.79 ± 0.24	2.41 ± 0.34	3.19 ± 0.54	4.01 ± 0.53	2.98 ± 0.44
	Spleen	0.63 ± 0.14	0.27 ± 0.05	0.31 ± 0.04	0.20 ± 0.02	0.24 ± 0.02
	Kidney	3.37 ± 0.23	2.21 ± 0.38	2.70 ± 0.26	2.63 ± 0.43	2.18 ± 0.14
	Lung	1.39 ± 0.20	0.69 ± 0.10	0.47 ± 0.09	0.40 ± 0.12	0.31 ± 0.03
	Heart	0.82 ± 0.21	0.51 ± 0.18	0.31 ± 0.02	0.27 ± 0.07	0.25 ± 0.04
	Femur	2.27 ± 0.23	1.79 ± 0.24	1.96 ± 0.28	2.06 ± 0.22	2.31 ± 0.40

Values are the percent injected dose per gram(% ID/g) ± standard deviation