Table 4. Tumor-to-Normal Organ Ratios and Pancreas-to-Kidney Ratio for [¹⁷⁷Lu]Lu-DOTA-Exendin-4 and [¹⁷⁷Lu]Lu-DOTA-MI-Exendin-4^a.

time p.i.	tumor-to-blood	tumor-to-pancreas	tumor-to-kidney	pancreas-to-kidney
[177Lu]Lu-DOTA-Exendin-4
15 min	9.70 ± 1.92	2.01 ± 0.25	0.27 ± 0.06	0.13 ± 0.02
30 min	28 ± 6	1.71 ± 0.24	0.20 ± 0.04	0.12 ± 0.02
4 h	163 ± 51	1.35 ± 0.42	0.15 ± 0.02	0.10 ± 0.01
24 h	381 ± 90	1.38 ± 0.22	0.11 ± 0.03	0.08 ± 0.01
48 h	812 ± 390	2.02 ± 0.85	0.18 ± 0.07	0.09 ± 0.01
72 h	860 ± 326	1.52 ± 0.72	0.15 ± 0.06	0.10 ± 0.02
[177Lu]Lu-DOTA-MI-Exendin-4
15 min	7.98 ± 1.57	1.88 ± 0.40	0.18 ± 0.03	0.10 ± 0.01
30 min	19 ± 6	2.31 ± 0.59	0.18 ± 0.03	0.08 ± 0.01
4 h	79 ± 19	2.16 ± 0.49	0.13 ± 0.03	0.06 ± 0.01
24 h	231 ± 63	4.41 ± 0.83	0.20 ± 0.04	0.05 ± 0.01
48 h	320 ± 52	4.11 ± 0.44	0.19 ± 0.01	0.05 ± 0.01
72 h	521 ± 174	6.11 ± 2.34	0.28 ± 0.09	0.05 ± 0.01

^aMean ± SD are shown.