Nuclear medicine communications
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Functioning and symptomatic disease resistant to conventional therapies constitutes a subset amongst neuroendocrine tumors (NETs) that are commonly considered for peptide receptor radionuclide therapy (PRRT). The aim of this study was to evaluate the efficacy of Lu-DOTATATE PRRT in this group with objective assessment criteria. ⋯ The data support the evidence that PRRT could be potentially beneficial in resistant, refractory, and progressive symptomatic groups of GEP-NETs with functional disease burden. The use of a multidimensional response evaluation should be adopted (rather than only anatomical-functional imaging) and needs to be considered while managing this subset of patients.