IC50 Values for Inhibition of 125I-SST–Specific Binding to AR42J Rat Pancreatic and NCI-H69 Human Lung Cancer Cell Membranes
| IC50 (nM)* | ||
| Peptide | AR42J Rat | NCI-H69 Human |
| SST14 | 0.15 ± 0.03 | 0.17 ± 0.07 |
| P2045 | 0.43 ± 0.19 | 0.20 ± 0.04 |
| 185/187Re-P2045 | 0.50 ± 0.16 | 0.23 ± 0.1 |
| Octreotide | 1.0 ± 0.04 | 1.1 ± 0.06 |
↵* Major SSTR subtype in these tumor cell lines is SSTR2.