Current Clinical Trial Landscape of Gastroenteropancreatic Neuroendocrine Tumors: A New Era of Landmark Trials

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Abstract
Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) are a heterogeneous group of malignancies characterized by varying degrees of aggressiveness and clinical behavior. Despite advancements in treatment, including targeted therapies such as sunitinib and everolimus, peptide receptor radionuclide therapy with [177Lu]Lu-DOTATATE, and chemotherapy regimens like capecitabine plus temozolomide, the advanced GEP-NETs remain largely incurable. The limited efficacy of current treatments highlights the urgent need for novel therapeutic strategies. Recent years have seen a rise in several landmark clinical trials aimed at exploring new agents and combinations to improve patient outcomes in GEP-NETs. This literature review focuses on the ongoing clinical trials that hold promise for advancing the treatment landscape of GEP-NETs. We include some industry- and cooperative group-sponsored, phase II-III, randomized, and comparative trials in our review. We analyze the design, rationale, objectives, and preliminary findings of these trials, with a particular emphasis on those with pending results that may offer new insights into potential therapeutic targets. By examining these trials, we aim to provide a comprehensive overview of the evolving strategies in the management of GEP-NETs and underscore the importance of continued research innovation in addressing the challenges posed by the heterogeneity of GEP-NETs and in the pursuit of more effective and potentially curative treatment options.
Funding Information
  • University of Arizona, Division of Hematology and Medical Oncology

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