Patients: neuroendocrine tumours of the gastroenteropancreatic and bronchial tract, pheochromocytoma, paraganglioma, neuroblastoma, meningioma, or medullary thyroid carcinoma highly-expressing somatostatin receptors (SSTR), especially SSTRsubtype 2 (SSTR2), .
In general, patients should have one of the following to receive peptide receptor radionuclide therapy (PRRT) [1,2]:
A progressive tumour as assessed by morphological imaging.
Non-progressive extensive disease in two or more organs, and progressive disease in other sites that is likely to be uncontrolled.
Clinically uncontrollable symptoms using the best standard of care.
Inoperable disease, although surgery can be reconsidered after successful PRRT.