Biotherapy of pancreatic neuroendocrine tumors using somatostatin analogs

Hisato Igarashi, Masayuki Hijioka, Lingaku Lee, Tetsuhide Ito

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Basically, pancreatic neuroendocrine tumor (PNET) should be treated surgically; however, in unresectable cases, a treatment that aims to improve the prognosis by inhibiting the growth of the tumor and control the clinical symptoms becomes necessary. In the case of functional tumors, the quality of life of patients is decreased by not only the symptoms with tumor invasion and/or metastasis but also by the symptoms of hormone excess. The efficacy of somatostatin analogs against the latter has been previously reported, and their sustained release formulations have been developed. Somatostatin analogs are recommended to treat the endocrine symptoms of functional PNET; however, in case they can cause hypoglycemia in patients with insulinoma. On the other hand, results from the PROMID study demonstrated a tumor-stabilizing effect when octreotide LAR (long acting repeatable) was used to treat patients with advanced midgut NET; however, there has been no consensus regarding its antitumor effect for PNET. Additionally, a recent result from the CLARINET study suggests that lanreotide autogel has an antitumor effect against nonfunctional NET including PNET. Further clinical study results are awaited.

Original languageEnglish
Pages (from-to)618-622
Number of pages5
JournalJournal of Hepato-Biliary-Pancreatic Sciences
Volume22
Issue number8
DOIs
Publication statusPublished - Aug 1 2015

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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