Abstract Library

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

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#4630 Radiolabelled somatostatin receptor (SSTR) antagonist vs. agonist for peptide receptor radionuclide therapy (PPRT) in patients with SSTR positive neuroendocrine tumours – A retrospective basket study

Introduction: PRRT with lutetium-177 labelled somatostatin receptor (SSTR) agonists ([177Lu]Lu-DOTATATE or [177Lu]Lu-DOTATOC (177Lu-TOC) has limited response rate and durability. The SSTR antagonist [177Lu]Lu-DOTA-JR11 (177Lu-JR11) offers potentially increased tumour doses with better efficacy.

Conference:

Presenting Author: Eigler C

Authors: Eigler C, Mushaweh A, McDougall L, Bauman A, Christ E,

Keywords: Somatostatin Receptor, Neuroendocrine Tumour, DOTA-JR11, DOTA-TOC, Peptide Receptor Radionuclide Therapy,

#4619 Targeted beta- plus auger and conversion electron therapy with terbium-161 labelled somatostatin receptor antagonist DOTA-LM3 – BETA plus phase 0 study

Introduction: Radioligand therapy with lutetium-177 labelled somatostatin receptor (SSTR) agonists (177Lu-DOTATATE or 177Lu-DOTATOC) showed limited response rate and durability. The novel SSTR antagonist DOTA-LM3 labelled with terbium-161, which co-emits conversion and Auger electrons in addition to β- particles, potentially increasing tumour doses and offering a more effective treatment for micro metastases.

Conference:

Presenting Author: Fricke J

Authors: Fricke J, Westerbergh F, McDougall L, Christ E, Nicolas G,

Keywords: Radionuclide therapy, PRRT, Auger electrons, Conversion electrons, Terbium-161, radiolabelled somatostatin antagonist, neuroendocrine tumour,

#4615 Dosimetry, efficacy and safety of radiolabelled somatostatin receptor antagonist in patients with metastatic pheochromocytoma or paraganglioma

Introduction: Metastatic pheochromocytomas and paragangliomas (mPPGLs) are rare neuroendocrine tumours with a heterogenous phenotype and a variable treatment response. The SSTR antagonist [177Lu]Lu177Lu-DOTA-JR11 (177Lu-JR11) offers potentially increased tumour doses than standard radioligand therapy (RLT) with [177Lu]Lu-DOTA-TOC (177Lu-TOC).

Conference:

Presenting Author: Lider S

Authors: Lider Burciulescu S, Schmidt F, McDougall L, Bernhardt P, Mushaweh A,

Keywords: Metastatic PPGL, radioligand therapy, somatostatin receptor antagonist, dosimetry,

#4562 Secondary endpoint results of the first multicentric randomised phase II trial investigating the antitumour efficacy of 177Lutetium-DOTA-Octreotate (OCLU) in advanced progressive neuroendocrine pancreatic tumour: The OCLURANDOM trial

Introduction: No published randomised trial investing the role of PRRT (177Lutetium-DOTA-Octreotate) in advanced progressive PaNET patients.

Conference:

Presenting Author: Baudin E

Authors: Baudin E, Walter T, Beron A, Smith D, Deandreis D,

Keywords: Pancreatic neuroendocrine, randomised phase 2 trial, Lutathera, Sunitinib,

#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,