Table 1.

[¹⁷⁷Lu]Lu-FAPI-46 biodistribution results in HT-1080 and HEK-293 xenografts expressed as mean of the % injected activity per gram of tissue (%I.A./g) ± standard deviation (SD) (n = 4–5/group)

Organ	HT-1080 xenografts			HEK-293 xenografts
	4 h	24 h	72 h	4 h	24 h	72 h
Blood	0.43 ± 0.04	0.03 ± 0.01	0.00 ± 0.00	0.65 ± 0.08	0.03 ± 0.01	0.00 ± 0.00
Lung	0.29 ± 0.03	0.05 ± 0.02	0.03 ± 0.00	0.41 ± 0.08	0.04 ± 0.01	0.01 ± 0.00
Liver	0.29 ± 0.02	0.21 ± 0.06	0.24 ± 0.05	0.35 ± 0.05	0.19 ± 0.07	0.10 ± 0.04
Kidney	1.19 ± 0.34	0.59 ± 0.05	0.39 ± 0.12	1.33 ± 0.19	0.38 ± 0.06	0.15 ± 0.10
Muscle	0.58 ± 0.38	0.09 ± 0.05	0.04 ± 0.03	0.49 ± 0.15	0.08 ± 0.03	0.01 ± 0.00
Femur	2.52 ± 0.38	0.61 ± 0.14	0.73 ± 0.08	2.22 ± 0.58	0.55 ± 0.22	0.19 ± 0.06
hFAP-tumor	9.63 ± 1.79	2.68 ± 0.74	1.58 ± 0.37	10.34 ± 4.55	3.39 ± 1.65	0.44 ± 0.11
wt-tumor	1.02 ± 0.18	0.35 ± 0.13	0.17 ± 0.04	1.40 ± 0.39	0.28 ± 0.07	0.05 ± 0.01