Abstract Library

Welcome to the open-access search for all ENETS abstracts presented at the Annual ENETS Conferences.

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#4553 The efficacy of “rechallenge” peptide receptor radionuclide therapy (PRRT) may be inferior to that of the initial PRRT, while the safety profile remains comparable

Introduction: Data on efficacy and adverse events of re-challenge PRRT (re-PRRT) for patients with gastrointestinal neuroendocrine tumours (GI-NETs) are limited.

Conference:

Presenting Author: Heinrich M

Authors: Heinrich M, Lutz F, Alwers S, Däubler C, Buck A,

Keywords: gastrointestinal neuroendocrine tumour, somatostatin receptor directed PET, laboratory parameters, Progression-free survival,

#4521 [18F]FDG (FDG) PET/CT metrics as prognostic biomarkers in the AGITG NABNEC trial

Introduction: NABNEC was a prospective phase II trial investigating carboplatin/nab-paclitaxel in patients with advanced Grade 3 NENs (NCT02215447).

Conference:

Presenting Author: Kong G

Authors: Kong G, Ayati N, Brown C, Siu D, Mak W,

Keywords: Prognostic marker, prospective trial, chemotherapy, PET imaging, FDG, metabolic tumour volume, suv,

#4478 Association between serum biomarkers and liver tumour burden in advanced gastroenteropancreatic neuroendocrine tumours

Introduction: The association between serum biomarker levels and tumour burden is less studied in GEP-NET.

Conference:

Presenting Author: Jumai N

Authors: Jumai N, Chen L, Yusufu Y, Yan X, Liu M,

Keywords: Neuroendocrine tumour, tumour burden, prognosis, biomarker,

#4340 Predominant volumetric phenotype in dual PET and overall survival in NENs

Introduction: Dual 18F-FDG/68Ga-DOTATATE PET can predict NEN prognosis and guide treatment choice. However, research to date (such as the NEPTET score) has focused on the dual PET phenotype of single-point lesions rather than of the total disease volume.

Conference:

Presenting Author: Chan D

Authors: Chan D, Bernard E, Mokhtar S, Chou A, Gill A,

Keywords: Prognostic biomarker, PET/CT, tumour volume, 18F-FDG, 68Ga-DOTATATE,

#4339 Dual threshold contouring for [68Ga]DOTATATE PET and correlation with overall survival (OS) in patients with neuroendocrine neoplasia (NEN)

Introduction: Accurate contouring for [68Ga]DOTATATE PET in NEN is challenging due to differing physiological uptake for the liver, spleen and other organs. This poses a significant problem for absolute thresholding algorithms using a single threshold, even if the threshold is based on liver uptake (as suggested for FDG PET by PERCIST). Improved contouring of PET to measure [68Ga]DOTATATE-avid tumour volume could help clinical translation of this potential biomarker.

Conference:

Presenting Author: Chan D

Authors: Chan D, Mokhtar S, Bernard E, Diakos C, Sabahi Z,

Keywords: prognostic biomarker, PET imaging, [68Ga]DOTATATE, Total Lesion Volume,