DOTA-LM3 is a somatostatin receptor (SSTR) antagonist, with LM3 denoting the peptide sequence p-Cl-Phe-cyclo(D-Cys-Tyr-D-4-amino-Phe(carbamoyl)-Lys-Thr-Cys)D-Tyr-NH2. It is utilized in the isotopic labeling of tumors for in vivo tracing, notably with 177Lu-DOTA-LM3 and 68Ga-DOTA-LM3. The derivative 68Ga-DOTA-LM3 exhibits promising biodistribution, high tumor uptake, efficient tumor retention, and minimal safety concerns, while 177Lu-DOTA-LM3 is applied in research on DOTATOC-negative liver metastases including pancreatic NET and extensive tumor thrombosis [1] [2].
Molecular Weight:
1550.16
CAS Number:
[1192362-32-5]
Formula:
C69H93ClN16O19S2
Target:
Somatostatin
T80155
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