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Updated: Jun 4, 2026

A Practical Guide for the Production and PET/CT Imaging of 68Ga-DOTATATE for Neuroendocrine Tumors in Daily Clinical Practice
Published on: April 17, 2019
Somatostatin analogs for the treatment of neuroendocrine tumors
Michael D Culler1, Kjell Oberg, Rudolf Arnold
1Endocrinology Research, IPSEN, 27 Maple Street, Milford, MA 01757, USA. michael.culler@ipsen.com
Abstract:
Somatostatin is an important regulator of endocrine and exocrine secretion, affecting the release of many hormones. The effects of somatostatin are mediated through its interaction with one of five somatostatin receptors. Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) express multiple somatostatin receptors, making them excellent potential therapeutic targets. Many trials have shown that treatment with somatostatin analogs is associated with disease stabilization and prolonged survival. More recently, somatostatin analogs have been shown to have antiproliferative effects, thus broadening the scope of their uses. In this review, we update the current data on the treatment of GEP-NETs with somatostatin analogs, with particular emphasis on the results of the PROMID study. In addition, we discuss the current state of knowledge of novel therapies against GEP-NETs, including the use of somatostatin analogs with broader receptor binding profiles, chimeric somatostatin-dopamine molecules, combinations of somatostatin analogs with other active chemotherapy agents, and peptide receptor-targeted radionuclide therapy.
Insights
Somatostatin analogs stabilize gastroenteropancreatic neuroendocrine tumors (GEP-NETs) and prolong survival. Novel therapies, including broader receptor binding analogs and radionuclide therapy, offer new treatment avenues for GEP-NETs.
Area of Science:
- Endocrinology
- Oncology
- Pharmacology
Background:
- Somatostatin regulates hormone release via specific receptors.
- Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) express somatostatin receptors, indicating therapeutic potential.
- Somatostatin analogs are established treatments for GEP-NETs, showing disease stabilization and survival benefits.
Purpose of the Study:
- To review current data on somatostatin analog treatment for GEP-NETs.
- To highlight findings from the PROMID study.
- To discuss emerging therapies for GEP-NETs.
Main Methods:
- Review of clinical trial data on somatostatin analogs in GEP-NETs.
- Analysis of the PROMID study outcomes.
- Survey of novel therapeutic strategies for GEP-NETs.
Main Results:
- Somatostatin analogs demonstrate efficacy in stabilizing GEP-NETs and improving survival.
- Recent findings indicate antiproliferative effects of somatostatin analogs.
- Novel therapies under investigation include broader-acting analogs, chimeric molecules, combination therapies, and radionuclide therapy.
Conclusions:
- Somatostatin analogs are a cornerstone in GEP-NET management.
- Emerging therapies hold promise for enhanced treatment of GEP-NETs.
- Further research into novel somatostatin-based therapies is warranted.
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