TABLE 1

Cardiac Biodistribution (%ID/g) at 3 Hours After Injection

Radioligand	Whole heart	IAR	Remote area
^99mTc-IL-1ra-Fc	0.27 ± 0.03	0.61 ± 0.11^*	0.16 ± 0.04
^99mTc-TNFR2-Fc	0.35 ± 0.12	0.81 ± 0.06^*	0.24 ± 0.09
^99mTc-TNFR2-Fc-IL-1ra	0.51 ± 0.06^†	1.14 ± 0.05^*^†^‡	0.18 ± 0.02

↵* P < 0.05, compared with remote area.
↵† P < 0.05, compared with ^99mTc-IL-1ra-Fc.
↵‡ P < 0.05, compared with ^99mTc-TNFR2-Fc.