Semin intervent Radiol 2024; 41(01): 011-015
DOI: 10.1055/s-0043-1778658
Review Article

Intra-arterial Peptide Receptor Radionuclide Therapy for the Treatment of Hepatic Neuroendocrine Tumor Metastases: Hope or Hype?

Michael V. Khanjyan
1   Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
,
Nicholas Fidelman
1   Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
› Author Affiliations

Abstract

Peptide receptor radionuclide therapy (PRRT) confers significant progression-free survival advantage for patients with small bowel grade 1 and 2 well-differentiated neuroendocrine tumors (WD NET). PRRT may also be clinically beneficial for patients with NET of pancreatic, bronchial, and other sites of origin; patients with paragangliomas; as well as for patients with well-differentiated grade 3 NET. Direct intra-arterial (IA) administration of PRRT into the hepatic artery for patients with NET liver metastases may result in higher radiopharmaceutical dose and longer dwell time in the liver tumors while relatively sparing non-tumor liver tissue and other organs such as the kidneys and bone marrow when compared with intravenous (IV) administration. This review summarizes currently available data on IA and IV PRRT dose distribution, reports safety and efficacy of IA PRRT, and proposes future research questions.



Publication History

Article published online:
14 March 2024

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