Pasireotide(SOM 230) is a stable cyclohexapeptide somatostatin mimic that exhibits unique high-affinity binding to human somatostatin receptors (subtypes sst1/2/3/4/5, pKi=8.2/9.0/9.1/<7.0/9.9 respectively).
DOTA-JR11 is a somatostatin receptor 2 (SSTR2) antagonist. DOTA-JR11 can be labeled by 68Ga, used for paired imaging in neuroendocrine tumors (NETs) research.