Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors

Longitudinal changes in pancreatic neuroendocrine tumor (panNET) cell proliferation correlate with fast disease progression and poor prognosis. The optimal treatment strategy for secondary panNET grade (G)3 that has progressed from a previous low-or intermediate-grade to high-grade panNET G3 is curr...

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Main Authors: Kazhan Mollazadegan, Britt Skogseid, Johan Botling, Tobias Åkerström, Barbro Eriksson, Staffan Welin, Anders Sundin, Joakim Crona
Format: Article
Language:English
Published: Bioscientifica 2022-03-01
Series:Endocrine Connections
Subjects:
Online Access:https://ec.bioscientifica.com/view/journals/ec/11/3/EC-21-0604.xml
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author Kazhan Mollazadegan
Britt Skogseid
Johan Botling
Tobias Åkerström
Barbro Eriksson
Staffan Welin
Anders Sundin
Joakim Crona
author_facet Kazhan Mollazadegan
Britt Skogseid
Johan Botling
Tobias Åkerström
Barbro Eriksson
Staffan Welin
Anders Sundin
Joakim Crona
author_sort Kazhan Mollazadegan
collection DOAJ
description Longitudinal changes in pancreatic neuroendocrine tumor (panNET) cell proliferation correlate with fast disease progression and poor prognosis. The optimal treatment strategy for secondary panNET grade (G)3 that has progressed from a previous low-or intermediate-grade to high-grade panNET G3 is currently unknown. This was a single-center retrospective cohort study aimed to characterize treatment patterns and outcomes among patients with secondary panNET-G3. Radiological responses were assessed using the Response Evaluation Criteria in Solid Tumors version 1.1. A total of 22 patients were included and received a median of 2 (range, 1–4) treatment lines in 14 different combinations. Median overall survival (OS) was 9 month s (interquartile range (IQR): 4.25–17.5). For the 15 patients who received platinum–etoposide chemotherapy, median OS was 7.5 months (IQR: 3.75–10) and median progression- free survival (PFS) was 4 months (IQR: 2.5–5.5). The 15 patients who received conventional panNET therapies achieved a median OS of 8 months (IQR: 5–16.75) and median PFS was 5.5 months (IQR: 2.75–8.25). We observed one partial response on 177Lu DOTA-TATE therapy. In conclusion, this hypothesis-generating study failed to identify any promising treatment alternatives for patients with secondary panNET-G3. This demonstrates the ne ed for both improved biological understanding of this particular NET entity and for designing prospective studies to further assess its treatment in larger patient cohorts.
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spelling doaj.art-06dbeab2e1c241028a2dab8cd387288b2022-12-22T00:03:08ZengBioscientificaEndocrine Connections2049-36142022-03-0111318https://doi.org/10.1530/EC-21-0604Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumorsKazhan Mollazadegan0Britt Skogseid1Johan Botling2Tobias Åkerström3Barbro Eriksson4Staffan Welin5Anders Sundin6Joakim Crona7Department of Medical Sciences, Uppsala University, Uppsala, SwedenDepartment of Medical Sciences, Uppsala University, Uppsala, SwedenDepartment of Immunology, Genetics and Pathology, Uppsala University, Uppsala, SwedenDepartment of Surgical Sciences, Uppsala University, Uppsala, SwedenDepartment of Medical Sciences, Uppsala University, Uppsala, SwedenDepartment of Medical Sciences, Uppsala University, Uppsala, SwedenDepartment of Surgical Sciences, Uppsala University, Uppsala, SwedenDepartment of Medical Sciences, Uppsala University, Uppsala, SwedenLongitudinal changes in pancreatic neuroendocrine tumor (panNET) cell proliferation correlate with fast disease progression and poor prognosis. The optimal treatment strategy for secondary panNET grade (G)3 that has progressed from a previous low-or intermediate-grade to high-grade panNET G3 is currently unknown. This was a single-center retrospective cohort study aimed to characterize treatment patterns and outcomes among patients with secondary panNET-G3. Radiological responses were assessed using the Response Evaluation Criteria in Solid Tumors version 1.1. A total of 22 patients were included and received a median of 2 (range, 1–4) treatment lines in 14 different combinations. Median overall survival (OS) was 9 month s (interquartile range (IQR): 4.25–17.5). For the 15 patients who received platinum–etoposide chemotherapy, median OS was 7.5 months (IQR: 3.75–10) and median progression- free survival (PFS) was 4 months (IQR: 2.5–5.5). The 15 patients who received conventional panNET therapies achieved a median OS of 8 months (IQR: 5–16.75) and median PFS was 5.5 months (IQR: 2.75–8.25). We observed one partial response on 177Lu DOTA-TATE therapy. In conclusion, this hypothesis-generating study failed to identify any promising treatment alternatives for patients with secondary panNET-G3. This demonstrates the ne ed for both improved biological understanding of this particular NET entity and for designing prospective studies to further assess its treatment in larger patient cohorts.https://ec.bioscientifica.com/view/journals/ec/11/3/EC-21-0604.xmlpancreatic neuroendocrine tumorhighgradesystemic therapytreatment outcomes
spellingShingle Kazhan Mollazadegan
Britt Skogseid
Johan Botling
Tobias Åkerström
Barbro Eriksson
Staffan Welin
Anders Sundin
Joakim Crona
Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors
Endocrine Connections
pancreatic neuroendocrine tumor
highgrade
systemic therapy
treatment outcomes
title Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors
title_full Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors
title_fullStr Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors
title_full_unstemmed Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors
title_short Poor outcome after systemic therapy in secondary high-grade pancreatic neuroendocrine tumors
title_sort poor outcome after systemic therapy in secondary high grade pancreatic neuroendocrine tumors
topic pancreatic neuroendocrine tumor
highgrade
systemic therapy
treatment outcomes
url https://ec.bioscientifica.com/view/journals/ec/11/3/EC-21-0604.xml
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