Lyophilized Kit for the Preparation of the PET Perfusion Agent [⁶⁸Ga]-MAA

Table 1

Decay corrected organ biodistribution (DC-ID/o) of ⁶⁸Ga-MAA, free ⁶⁸Ga, ^99mTc-MAA, and hydrolyzed ^99mTc.

Organ	Free ^68Ga		^68Ga-MAA		^99mTc-MAA		Hydrolyzed ^99mTc
	2 hours	4 hours	2 hours	4 hours	2 hours	4 hours	2 hours	4 hours
Spleen	0.6 ± 0.5	1.6 ± 0.1	0.1 ± 0.0	0.1 ± 0.0	0.1 ± 0.0	0.1 ± 0.0	7.2 ± 1.1	11.8 ± 0.7
Blood	84.9 ± 4.5	63.1 ± 3.9	0.8 ± 0.8	0.8 ± 0.0	0.9 ± 0.2	0.9 ± 0.0	1.3 ± 1.2	0.4 ± 0.0
Rib	0.5 ± 0.4	1.3 ± 0.4	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0
Urine	6.8 ± 2.9	14.0 ± 1.7	0.1 ± 0.0	0.1 ± 0.0	7.6 ± 1.3	12.3 ± 1.2	6.1 ± 4.0	0.6 ± 0.2
Right kidney	0.5 ± 0.5	1.6 ± 0.4	0.0 ± 0.0	0.0 ± 0.0	2.1 ± 0.1	3.3 ± 0.1	0.6 ± 0.1	0.4 ± 0.0
Left kidney	0.5 ± 0.5	1.4 ± 0.2	0.0 ± 0.0	0.0 ± 0.0	2.2 ± 0.2	3.4 ± 0.2	0.6 ± 0.1	0.4 ± 0.0
Heart	0.7 ± 0.7	1.5 ± 0.2	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.1 ± 0.0	0.2 ± 0.0	0.2 ± 0.0
Lungs	3.1 ± 2.9	8.4 ± 0.3	98.6 ± 0.7	98.6 ± 0.1	86.6 ± 0.7	79.2 ± 1.5	39.5 ± 1.5	45.2 ± 10.9
Liver	2.3 ± 1.9	7.2 ± 1.2	0.4 ± 0.2	0.4 ± 0.1	0.5 ± 0.0	0.9 ± 0.0	44.6 ± 2.8	40.9 ± 11.7