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| 2. |
- Dromain, Clarisse, et al.
(author)
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Tumour Growth Rate to predict the outcome of patients with Neuroendocrine Tumours : Performance and sources of variability
- 2021
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In: Neuroendocrinology. - : S. Karger. - 0028-3835 .- 1423-0194. ; 111:9, s. 831-839
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Journal article (peer-reviewed)abstract
- INTRODUCTION: Tumor growth rate (TGR), percentage of change in tumor volume/month, has been previously identified as an early radiological biomarker for treatment monitoring in neuroendocrine tumors (NETs) patients. We assessed the performance and reproducibility of TGR 3 months (TGR3m) as a predictor factor of progression-free survival (PFS), including the impact of imaging method and reader variability.METHODS: Baseline and 3-months (±1month) CT/MRI images from patients with advanced, grade 1-2 NETs were retrospectively reviewed by 2 readers. Influence of number of targets, tumor burden and location of lesion on the performance of TGR3m to predict PFS was assessed by uni/multivariable Cox regression analysis. Agreement between readers was assessed by the Lin's concordance coefficient (LCC) and Kappa (KC).RESULTS: A total of 790 lesions were measured in 222 patients. Median PFS was 22.9 months. On univariable analysis, number of lesions (DISCUSSION/CONCLUSION: TGR3m is a robust and early radiological biomarker able to predict PFS. It may be used to identify patients with advanced NETs who require closer radiological follow-up.
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- Garcia-Carbonero, Rocio, et al.
(author)
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ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Neoplasms : Systemic Therapy - Chemotherapy
- 2017
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In: Neuroendocrinology. - : S. Karger AG. - 0028-3835 .- 1423-0194. ; 105:3, s. 281-294
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Journal article (peer-reviewed)abstract
- Systemic chemotherapy is indicated in progressive or bulky advanced pancreatic neuroendocrine tumors (NETs) and in grade 3 (G3) neuroendocrine neoplasms (NENs) as per ENETS guidelines. Chemotherapy may be considered in NETs of other sites (lung, thymus, stomach, colon, and rectum) under certain conditions (e.g., when Ki-67 is at a high level [upper G2 range], in rapidly progressive disease and/or after failure of other therapies, or if somatostatin receptor imaging is negative). An ENETS Consensus Conference was held in Antibes (2015) to elaborate guidelines on the standards of care of different diagnostic procedures and therapeutic interventions in NENs. This article provides guidance on chemotherapy including therapeutic indications, dosing schedules, adverse events (including prevention and management), drug interactions, and evaluation of treatment effect for the chemotherapy agents most commonly used in NENs (streptozocin, dacarbazine, fluoropyrimidines, platinum compounds, etoposide, and irinotecan).
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| 4. |
- Pavel, Marianne, et al.
(author)
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ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Neoplasms : Systemic Therapy - Biotherapy and Novel Targeted Agents
- 2017
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In: Neuroendocrinology. - : S. Karger AG. - 0028-3835 .- 1423-0194. ; 105:3, s. 266-280
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Journal article (peer-reviewed)abstract
- Systemic therapies established in the management of patients with neuroendocrine tumors (NETs) include somatostatin analogs and interferon-alpha, also referred to as biotherapy. Recent randomized controlled studies have extended the knowledge on the frequency of side effects associated with biotherapy. More recently, novel targeted drugs, such as the mammalian target of rapamycin inhibitor everolimus and the multiple tyrosine kinase inhibitor sunitinib, have been introduced in the management of NETs. Although targeted drugs are generally well tolerated, with most adverse events being of mild to moderate severity and manageable, novel targeted drugs exhibit a distinct adverse event profile that warrants guidance for appropriate diagnostic and therapeutic management. This is particularly important given the widespread and potentially long-term use of everolimus in a broad spectrum of NETs and of sunitinib in pancreatic NETs. This review will focus on the most relevant toxicities associated with biotherapy and novel targeted drugs and on their management. For each drug class indication, administration and dosing schedule, most frequent adverse events, actions and dose adjustments for adverse events as well as their monitoring are presented. This review further covers the evaluation of treatment effect, patient information, drug interactions, and information on pregnancy.
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| 5. |
- Perren, Aurel, et al.
(author)
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ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Tumors : Pathology-Diagnosis and Prognostic Stratification
- 2017
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In: Neuroendocrinology. - : S. Karger AG. - 0028-3835 .- 1423-0194. ; 105:3, s. 196-200
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Journal article (peer-reviewed)abstract
- The European Neuroendocrine Tumor Society (ENETS) proposed standard of care guidelines for pathology in 2009. Since then, profound changes in the classification have been made, dividing neuroendocrine neoplasia (NEN) into well-differentiated neuroendocrine tumors (NET) and poorly differentiated neuroendocrine carcinomas (NEC) in the 2010 WHO classification. The 7th edition of the TNM classification (2009) included NEN for the first time, widely adapting ENETS proposals but with some differences for NEC and for NET of the pancreas and the appendix. Therapy guidelines for gastroenteropancreatic NET were updated in 2016. The need for an update of the standards of care prompted the ENETS to organize a consensus conference which was held in Antibes in 2015; a working group was designated to propose pathological standards of care.
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| 6. |
- Toumpanakis, Christos, et al.
(author)
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Unmet Needs in Appendiceal Neuroendocrine Neoplasms
- 2019
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In: Neuroendocrinology. - : S. Karger AG. - 0028-3835 .- 1423-0194. ; 108:1, s. 37-44
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Journal article (peer-reviewed)abstract
- Appendiceal neuroendocrine neoplasms (ANEN) are mostly discovered coincidentally during appendicectomy and usually have a benign clinical course; thus, appendicectomy alone is considered curative. However, in some cases, a malignant potential is suspected, and therefore additional operations such as completion right hemicolectomy are considered. The existing European Neuroendocrine Tumour Society (ENETS) guidelines provide useful data about epidemiology and prognosis, as well as practical recommendations with regards to the risk factors for a more aggressive disease course and the indications for a secondary operation. However, these guidelines are based on heterogeneous and retrospective studies. Therefore, the evidence does not seem to be robust, and there are still unmet needs in terms of accurate epidemiology and overall prognosis, optimal diagnostic and follow-up strategy, as well as identified risk factors that would indicate a more aggressive surgical approach at the beginning and a more intense follow-up. In this review, we are adopting a critical approach of the ENETS guidelines and published series for ANEN, focusing on the above-noted "grey areas".
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