ArticleClinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico2026
Recommendations for selection, treatment, and follow-up in peptide receptor radionuclide therapy (PRRT) for neuroendocrine tumors: a Delphi consensus from the Galician Multidisciplinary Group on Neuroendocrine and Endocrine Tumors (GGNET).
Article in Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPeptide receptor radionuclide therapy (PRRT) is an established treatment for patients with well-differentiated gastroenteropancreatic neuroendocrine tumors (GEP-NETs) expressing somatostatin receptors (SSTR). Despite robust trial and real-world data, heterogeneity persists regarding patient selection, therapeutic sequencing, and follow-up strategies.
methodsA Delphi consensus was conducted by the Galician Multidisciplinary Group on Neuroendocrine and Endocrine Tumors (GGNET). Ten experts in oncology, endocrinology, nuclear medicine, and radiology participated. 29 clinical statements were developed after a systematic review and rated using a 4-point Likert scale. Consensus was defined as ≥ 70% agreement.
resultsConsensus (defined a priori as ≥ 70% agreement) was achieved for all statements although the level of agreement varied across domains. PRRT was endorsed for patients with unresectable or metastatic, progressive, well-differentiated GEP-NETs (grades 1-3, Ki-67 ≤ 55%) with confirmed SSTR expression. SSTR-targeted imaging (PET or scintigraphy) was considered mandatory for eligibility, with PET identified as the preferred modality. [
conclusionsThis Delphi consensus provides pragmatic, multidisciplinary, and evidence-informed guidance to harmonize routine clinical practice in the use of PRRT for well-differentiated, SSTR-positive NETs. The proposed statements and the algorithm aim to harmonize practice across centers, reduce variability in care, enhance safety, and ultimately improve patient outcomes.
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