[68Ga]Ga-4HMSA a promising new PET tracer for imaging inflammation

EJNMMI Research

Table 3 Transmetallation of [⁶⁸Ga]Ga-4HMSA in presence of various biologically relevant metal salts

Metal (10 equiv)	% of Remaining Ga⁶⁸ complexation
Metal (10 equiv)	15 min		30 min		60 min
CoCl₂	100^a	100^b	100^a	100^b	100^a	100^b
CuCl₂	100^a	100^b	100^a	100^b	78^a	95^b
FeCl₃	100^a	100^b	71^a	86^b	35^a	72^b
NiCl₂	100^a	100^b	100^a	100^b	100^a	100^b
MgCl₂	100^a	100^b	100^a	100^b	100^a	100^b