Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3

IntroductionNeuroendocrine neoplasms (NEN) are a rare and heterogenous group of tumors arising from neuroendocrine cells in multiple organs. Neuroendocrine tumors (NET) G3 encompass a small subgroup accounting for less than 10% of all neuroendocrine neoplasms. In contrast to NET G1 and G2 as well as...

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Main Authors: Martina Hinterleitner, Ruben Pfeiffer, Nils F. Trautwein, Bence Sipos, Stephan Singer, Silvio Nadalin, Alfred Königsrainer, Ulrich M. Lauer, Christian la Fougère, Lars Zender, Clemens Hinterleitner
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-01-01
Series:Frontiers in Endocrinology
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Online Access:https://www.frontiersin.org/articles/10.3389/fendo.2023.1285529/full
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author Martina Hinterleitner
Martina Hinterleitner
Martina Hinterleitner
Ruben Pfeiffer
Nils F. Trautwein
Nils F. Trautwein
Bence Sipos
Bence Sipos
Bence Sipos
Stephan Singer
Stephan Singer
Silvio Nadalin
Silvio Nadalin
Alfred Königsrainer
Alfred Königsrainer
Ulrich M. Lauer
Ulrich M. Lauer
Ulrich M. Lauer
Ulrich M. Lauer
Christian la Fougère
Christian la Fougère
Christian la Fougère
Christian la Fougère
Lars Zender
Lars Zender
Lars Zender
Lars Zender
Clemens Hinterleitner
Clemens Hinterleitner
Clemens Hinterleitner
Clemens Hinterleitner
author_facet Martina Hinterleitner
Martina Hinterleitner
Martina Hinterleitner
Ruben Pfeiffer
Nils F. Trautwein
Nils F. Trautwein
Bence Sipos
Bence Sipos
Bence Sipos
Stephan Singer
Stephan Singer
Silvio Nadalin
Silvio Nadalin
Alfred Königsrainer
Alfred Königsrainer
Ulrich M. Lauer
Ulrich M. Lauer
Ulrich M. Lauer
Ulrich M. Lauer
Christian la Fougère
Christian la Fougère
Christian la Fougère
Christian la Fougère
Lars Zender
Lars Zender
Lars Zender
Lars Zender
Clemens Hinterleitner
Clemens Hinterleitner
Clemens Hinterleitner
Clemens Hinterleitner
author_sort Martina Hinterleitner
collection DOAJ
description IntroductionNeuroendocrine neoplasms (NEN) are a rare and heterogenous group of tumors arising from neuroendocrine cells in multiple organs. Neuroendocrine tumors (NET) G3 encompass a small subgroup accounting for less than 10% of all neuroendocrine neoplasms. In contrast to NET G1 and G2 as well as neuroendocrine carcinomas (NEC), in NET G3 data on treatment and patient outcomes are still limited. Especially in a metastasized tumor stage, the role of surgery, peptide receptor radionucleotide therapy (PRRT), and systemic chemotherapy is not clearly defined.MethodsIn this real-life cohort, we consecutively analyzed clinical outcome in NET G3 patients receiving different diagnostic and treatment.Results and discussionWe found that even metastasized NET G3 patients undergoing surgery, or receiving radiation, somatostatin analogues (SSA), and PRRT showed a clear survival benefit. Interestingly, all treatment regimen were superior to classical chemotherapeutic agents. In addition, somatostatin receptor (SSTR) PET-CT, FDG PET-CT, and repetitive biopsies were shown to be useful diagnostic and prognostic tools in NET G3. Our study demonstrates that patients with highly proliferative NET G3 might benefit from less aggressive treatment modalities commonly used in low proliferative NEN.
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spelling doaj.art-f776dfeedfdc46f3b01b72156cb56fc22024-01-08T05:32:26ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922024-01-011410.3389/fendo.2023.12855291285529Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3Martina Hinterleitner0Martina Hinterleitner1Martina Hinterleitner2Ruben Pfeiffer3Nils F. Trautwein4Nils F. Trautwein5Bence Sipos6Bence Sipos7Bence Sipos8Stephan Singer9Stephan Singer10Silvio Nadalin11Silvio Nadalin12Alfred Königsrainer13Alfred Königsrainer14Ulrich M. Lauer15Ulrich M. Lauer16Ulrich M. Lauer17Ulrich M. Lauer18Christian la Fougère19Christian la Fougère20Christian la Fougère21Christian la Fougère22Lars Zender23Lars Zender24Lars Zender25Lars Zender26Clemens Hinterleitner27Clemens Hinterleitner28Clemens Hinterleitner29Clemens Hinterleitner30Department of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyGerman Research Foundation Deutsche Forschungsgemeinschaft (DFG) Cluster of Excellence 2180 ‘Image-Guided and Functional Instructed Tumor Therapy’ (iFIT), University of Tuebingen, Tuebingen, GermanyDepartment of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyDepartment of Nuclear Medicine and Clinical Molecular Imaging, University Hospital Tuebingen, Tuebingen, GermanyDepartment of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyGerman Research Foundation Deutsche Forschungsgemeinschaft (DFG) Cluster of Excellence 2180 ‘Image-Guided and Functional Instructed Tumor Therapy’ (iFIT), University of Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyDepartment of Pathology, University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyDepartment of General and Transplant Surgery, University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyDepartment of General and Transplant Surgery, University Hospital Tuebingen, Tuebingen, GermanyDepartment of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyGerman Research Foundation Deutsche Forschungsgemeinschaft (DFG) Cluster of Excellence 2180 ‘Image-Guided and Functional Instructed Tumor Therapy’ (iFIT), University of Tuebingen, Tuebingen, GermanyGerman Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyGerman Research Foundation Deutsche Forschungsgemeinschaft (DFG) Cluster of Excellence 2180 ‘Image-Guided and Functional Instructed Tumor Therapy’ (iFIT), University of Tuebingen, Tuebingen, GermanyDepartment of Nuclear Medicine and Clinical Molecular Imaging, University Hospital Tuebingen, Tuebingen, GermanyGerman Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Tuebingen, GermanyDepartment of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyGerman Research Foundation Deutsche Forschungsgemeinschaft (DFG) Cluster of Excellence 2180 ‘Image-Guided and Functional Instructed Tumor Therapy’ (iFIT), University of Tuebingen, Tuebingen, GermanyGerman Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Tuebingen, GermanyDepartment of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tuebingen, Tuebingen, GermanyEuropean Neuroendocrine Tumor Society (ENETS) Center of Excellence, University Hospital Tuebingen, Tuebingen, GermanyGerman Research Foundation Deutsche Forschungsgemeinschaft (DFG) Cluster of Excellence 2180 ‘Image-Guided and Functional Instructed Tumor Therapy’ (iFIT), University of Tuebingen, Tuebingen, GermanyCancer Biology and Genetics, Memorial Sloan Kettering Cancer Center, New York, NY, United StatesIntroductionNeuroendocrine neoplasms (NEN) are a rare and heterogenous group of tumors arising from neuroendocrine cells in multiple organs. Neuroendocrine tumors (NET) G3 encompass a small subgroup accounting for less than 10% of all neuroendocrine neoplasms. In contrast to NET G1 and G2 as well as neuroendocrine carcinomas (NEC), in NET G3 data on treatment and patient outcomes are still limited. Especially in a metastasized tumor stage, the role of surgery, peptide receptor radionucleotide therapy (PRRT), and systemic chemotherapy is not clearly defined.MethodsIn this real-life cohort, we consecutively analyzed clinical outcome in NET G3 patients receiving different diagnostic and treatment.Results and discussionWe found that even metastasized NET G3 patients undergoing surgery, or receiving radiation, somatostatin analogues (SSA), and PRRT showed a clear survival benefit. Interestingly, all treatment regimen were superior to classical chemotherapeutic agents. In addition, somatostatin receptor (SSTR) PET-CT, FDG PET-CT, and repetitive biopsies were shown to be useful diagnostic and prognostic tools in NET G3. Our study demonstrates that patients with highly proliferative NET G3 might benefit from less aggressive treatment modalities commonly used in low proliferative NEN.https://www.frontiersin.org/articles/10.3389/fendo.2023.1285529/fullneuroendocrine tumorgradingG3somatostatin receptorPETtreatment
spellingShingle Martina Hinterleitner
Martina Hinterleitner
Martina Hinterleitner
Ruben Pfeiffer
Nils F. Trautwein
Nils F. Trautwein
Bence Sipos
Bence Sipos
Bence Sipos
Stephan Singer
Stephan Singer
Silvio Nadalin
Silvio Nadalin
Alfred Königsrainer
Alfred Königsrainer
Ulrich M. Lauer
Ulrich M. Lauer
Ulrich M. Lauer
Ulrich M. Lauer
Christian la Fougère
Christian la Fougère
Christian la Fougère
Christian la Fougère
Lars Zender
Lars Zender
Lars Zender
Lars Zender
Clemens Hinterleitner
Clemens Hinterleitner
Clemens Hinterleitner
Clemens Hinterleitner
Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3
Frontiers in Endocrinology
neuroendocrine tumor
grading
G3
somatostatin receptor
PET
treatment
title Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3
title_full Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3
title_fullStr Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3
title_full_unstemmed Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3
title_short Treatment modalities favoring outcome in well-differentiated neuroendocrine tumors G3
title_sort treatment modalities favoring outcome in well differentiated neuroendocrine tumors g3
topic neuroendocrine tumor
grading
G3
somatostatin receptor
PET
treatment
url https://www.frontiersin.org/articles/10.3389/fendo.2023.1285529/full
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