Abstract Library

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

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#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,

#4431 Systemic treatment in metastatic pheochromocytomas and paragangliomas: Optimal moment for starting and outcomes of a multicentre Spanish cohort

Introduction: Pheochromocytomas (PHEOs) and paragangliomas (PGLs), collectively referred to as PPGLs, are relatively rare endocrine tumours with significant clinical variability and metastatic behaviour. Treatment strategies must be tailored individually due to the heterogeneity in their behaviour.

Conference:

Presenting Author: Del Olmo-García M

Authors: Hernández-Rienda L, Contreras-Saldarriaga J, Hernando Cubero J, García Alvarez A, Prado-Wohlwend S,

Keywords: Pheochromocytoma, paraganglioma, PPGL, metastatic, SSA, Radionuclide, chemotherapy,

#3736 Risk of complications after biopsy in pheochromocytoma and paraganglioma

Introduction: Core needle biopsy (CNB) has been used with caution in pheochromocytoma and paraganglioma (PPGL) due to concerns about catecholamine-related complications. While it is unclear what scientific evidence supports this claim, it has limited the acquisition of biological samples for diagnostic purposes and research, especially in metastatic PPGL.

Conference:

Presenting Author: Zhang L

Authors: Zhang L, Åkerström T, Mollazadegan K, Beuschlein F, Pacak K,

Keywords: Pheochromocytoma, paraganglioma, core needle biopsy, diagnosis, risk,

#3405 A phase 2 open-label study of belzutifan (a HIF-2α inhibitor) monotherapy in patients with advanced/metastatic pheochromocytoma/paraganglioma or pancreatic neuroendocrine tumors

Introduction: Patients with advanced pheochromocytoma/paraganglioma (PPGL) or pancreatic neuroendocrine tumor (panNET) are in need of novel targeted therapies. Hypoxia-inducible factor 2α (HIF-2α) is one of the key oncogenic drivers in neuroendocrine tumors like PPGL and somatostatinomas. Hypoxia signaling pathway alterations or other mechanisms that stabilize HIFs are common in some PPGLs and panNETs. Belzutifan (MK-6482), a HIF-2α inhibitor, has shown antitumor activity in advanced renal cell carcinoma and von Hippel-Lindau (VHL) disease–associated tumors, including panNET.

Conference:

Presenting Author:

Authors: Jimenez C, Hadoux J, Del Rivero J, Das S, Iliopoulos O,

Keywords: pheochromocytoma, paraganglioma, pancreatic neuroendocrine tumor, belzutifan, MK-6482, metastatic,