Chemical | 50% Inhibitory concentration (nM)* | SEM |
Octreotide | 2.0 | 0.7 |
Indium-labeled DTPA-octreotide | 22 | 3.6 |
Yttrium-labeled DOTA-Tyr3-octreotide | 11 | 1.7 |
Yttrium-labeled DOTA-Tyr3-octeotate | 1.6 | 0.4 |
Gallium-labeled DOTA-Tyr3-octreotide | 2.5 | 0.5 |
Gallium-labeled DOTA-Tyr3-octreotate | 0.2 | 0.04 |
↵* Lower values reflect greater affinity.