Binding affinity (IC50), nmol/L Analog sstr1 sstr2 sstr3 sstr4 sstr5  Somatostatin-14 0.93 0.15 0.56 1.5 0.29  Octreotide 280 0.38 7.1 >1000 6.3  Lanreotide 180 0.54 14 230 17  Vapreotide >1000 5.4 31 45 0.7  Pasireotide 9.3 1.0 1.5 >100 0.16  Somatoprim [35] >1000 3 >100 7 6