Table 3.

[¹⁷⁷Lu]Lu-FAPI-46-Ibu biodistribution results 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/group)

Organ	HT-1080			HEK-293
	4 h	24 h	72 h	4 h	24 h	72 h
Blood	1.07 ± 0.10	0.14 ± 0.03	0.01 ± 0.00	1.00 ± 0.18	0.10 ± 0.01	0.00 ± 0.00
Lung	0.83 ± 0.07	0.21 ± 0.03	0.07 ± 0.02	1.88 ± 2.29	0.15 ± 0.01	0.04 ± 0.01
Liver	0.96 ± 0.08	1.02 ± 0.70	0.50 ± 0.02	0.75 ± 0.11	0.58 ± 0.35	0.35 ± 0.04
Kidney	1.80 ± 0.15	1.15 ± 0.19	0.54 ± 0.11	1.33 ± 0.17	0.81 ± 0.11	0.25 ± 0.03
Muscle	0.97 ± 0.25	0.43 ± 0.28	0.12 ± 0.07	0.87 ± 0.36	0.28 ± 0.08	0.07 ± 0.03
Femur	3.62 ± 0.04	1.12 ± 0.12	0.51 ± 0.09	2.46 ± 0.88	0.81 ± 0.11	0.33 ± 0.08
hFAP-tumor	8.40 ± 1.97	5.09 ± 0.64	1.55 ± 0.58	5.03 ± 2.84	3.14 ± 0.49	0.88 ± 0.40
wt-tumor	1.96 ± 0.36	1.00 ± 0.25	0.28 ± 0.05	1.86 ± 1.25	0.52 ± 0.11	0.18 ± 0.05