Abstract Library

#4625 Efficacy and safety of capecitabine-temozolomide (CAPTEM) regimen in patients with neuroendocrine neoplasms – A systematic review and experience from NETwerk, a Belgian ENETS Center of Excellence

Introduction: Current treatment guidelines remain inconclusive due to scarcity of data regarding the optimal systemic treatment for metastatic gastroenteropancreatic (GEP) neuroendocrine tumours (NET) grade 3 and aggressive GEP-NET grade 2. Similarly, for metastatic pulmonary typical (TC) and atypical carcinoids (AC), the indication for chemotherapy is unclear. Recent evidence highlights a promising role for CAPTEM, combining temozolomide (TEM) with capecitabine (CAP), showing encouraging antitumoural activity and safety profiles for these indications.

Conference:

Presenting Author: Chhajlani S

Authors: Chhajlani S, Lambrechts C, Islam O, de Weerdt C, Verbruggen L,

Keywords: capecitabine, temozolomide, CAPTEM, GEP-NET, pulmonary NEN, safety, efficacy, systematic review,

#4577 Diagnosis of a cervical carotid paraganglioma: A case report and review of diagnostic imaging approaches

Introduction: Cervical paragangliomas are rare, often non-secreting tumours of neuroectodermal origin. Their diagnosis can be challenging due to the variability of clinical presentations and the diagnostic tests required.

Conference:

Presenting Author: Otmane R

Authors: Otmane R, Boudersa A, Kouadri N,

Keywords: Paraganglioma, cervical, octreoscan,

#4185 Primary hepatic neuroendocrine neoplasms – Clinical characteristics and treatment outcomes of a rare disease

Introduction: Liver involvement in Neuroendocrine Neoplasms (NEN) most commonly encompasses metastases from other organs or from an unknown primary. The current WHO classification defines primary hepatic NEN (PHNEN) as a distinct entity. With only few cases of PHNEN reported and difficulty to discern them from hepatic metastases, evidence on optimal management is very limited.

Conference:

Presenting Author:

Authors: Apostolidis L, Kender Z, Flegka V, Winkler E, Krug S,

Keywords: hepatic NEN, liver NEN, PHNEN,

#4119 Interim analysis of LANTana: Phase Ib study investigating up-regulation of somatostatin receptor-2 (SSTR2) with the de-methylating agent ASTX727 to allow [177Lu]Lu-DOTA-TATE in metastatic neuroendocrine tumors (NETs)

Introduction: To be suitable for [177Lu]Lu-DOTA-TATE, SSTR2 must be present on tumor surface as per positive uptake on [68Ga]Ga-DOTA-TATE-PET/CT. SSTR2 promoter methylation reduces SSTR2 expression; this can be reversed using a demethylating agent.

Conference:

Presenting Author:

Authors: Rzeniewicz K, Ward C, Khan S, Naik M, Qurashi M,

Keywords: neuroendocrine tumor, peptide receptor radionucleotide therapy, methylation, [68Ga]Ga-DOTA-peptide-PET, [177Lu]Lu-DOTA-TATE,

#3932 Artisan: Prospective phase II trial of TheraSphere Selective Internal Radiation Therapy (SIRT) for liver metastases in neuroendocrine tumors (NETs)

Introduction: The liver is the commonest site of metastases and is an independent predictor of poor outcome. SIRT allows delivery of high dose radiation to liver metastases and has shown promise in the management of NETs. We determined the safety and efficacy of SIRT in those with inoperable liver metastases in a prospective study.

Conference:

Presenting Author: Ahmed Q

Authors: Ahmed Q, Doumanoglou N, Evans J, Martinez M, Ward C,

Keywords: radioembolization, carcinoid, neuroendocrine, metastases,