Table 1.

Biodistribution (% ID/g) of radioactivity in ICR mice (n = 4) after the injection of [⁶⁴Cu]PSMA-617

Time (h)	0.5	1	2	12	24
Blood	0.94 ± 0.03	0.9 ± 0.21	0.99 ± 0.29	1.20 ± 0.43	0.93 ± 0.32
Heart	1.86 ± 0.3	1.56 ± 0.12	2.23 ± 0.5	2.56 ± 0.66	2.14 ± 0.59
Duodenum	5.55 ± 0.47	5.81 ± 0.48	6.99 ± 2.56	3.42 ± 0.10	2.58 ± 0.70
Kidneys	29.42 ± 12.51	15.96 ± 3.09	7.27 ±1.17	4.09 ± 0.55	3.95 ± 0.65
Liver	12.65 ± 0.75	11.05 ± 2.12	11.4 ± 1.69	9.51 ± 1.06	9.08 ± 0.57
Lung	4.61 ± 1.05	5.77 ± 0.92	7.19 ± 1.32	5.13 ± 0.66	3.59 ± 0.86
Muscle	0.47 ± 0.16	0.37 ± 0.11	0.45 ± 0.18	0.50 ± 0.15	0.44 ± 0.15
Pancreas	1.20 ± 0.19	1.51 ± 0.33	2.40 ± 0.95	1.58 ± 0.47	1.29 ± 0.21
Spleen	1.18 ± 0.25	1.22 ± 0.42	1.45 ± 0.73	2.59 ± 0.80	1.84 ± 0.51
Stomach	2.51 ± 0.64	3.55 ± 0.23	4.99 ± 1.47	0.74 ± 0.10	1.03 ± 0.44