Abstract Library

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#3862 DLL3 determination and immune milieu characterization in Neuroendocrine Neoplasms (NENs)

Introduction: High DLL3 expression in NENs may be used to activate the immune system by redirecting T cells via bispecific T cell engager (BITE) antibodies.

Conference:

Presenting Author:

Authors: Garcia Alvarez A, Serna G, Hernando Cubero J, Napoli S, Carmona Alonso A,

Keywords: Neuroendocrine, DLL3, Immunotherapy,

#3195 Peptide Radio Receptor Therapy sensitizes to immunotherapy by increasing expression of checkpoint molecules in in patients with neuroendocrine tumors

Introduction: Peptide Radio Receptor Therapy (PRRT) represents a standard treatment in patients with well-differentiated neuroendocrine tumors (NET G1/G2). Nevertheless, a lack of response is observed in 1/3 of patients after PRRT, suggesting that combination of PRRT with other therapies might increase its efficacy. The combination of PRRT with immune checkpoint inhibitors (ICI) might be promising, since radiation induced cell death can trigger antigen release and lead to activation of the immune system.

Conference: 18th Annual ENETS Concerence (2021)

Presenting Author: Hammerich L

Authors: Büttne S, Wiedenmann B, Amthauer H, Tacke F, Roderburg C,

Keywords: neuroendocrine tumor, checkpoint blockade, PRRT, immunotherapy, spectral flow cytometry,

#2801 IMMUNeOCT: OCT LAR in the Induction of Immunologic Response in Patients with Neuroendocrine Neoplasms (NENs): A Perspective Observational and Translational Study (EudraCT2017-001613-83)

Introduction: The possible impact of octreotide (OCT) Long-Acting Release (LAR) on the immune system regulation is largely unexplored.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Ottaiano A, Rea G, Capozzi M, Napolitano M, Tatangelo F,

Keywords: Octreotide, Tregs, MDSCs, immune system,

#1770 Cytokines as Predictive Factors of Response to Somatostatin Analogues in Patients with Neuroendocrine Tumour

Introduction: The somatostatin analogues are a major therapeutic advance in neuroendocrine tumor (NET) treatment and have multiple modulatory effects on the immune system.

Conference: 14th Annual ENETSConcerence (2017)

Presenting Author: Sciammarella C

Authors: Sciammarella C, Grimaldi A, Circelli L, Modica R, Pizza G,

Keywords: cytokines, neuroendocrine, cell,