Abstract Library

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

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#4417 Efficacy of immune checkpoint inhibitors (ICI) in patients with advanced pancreatic NETs displaying high TMB and MMR alterations following treatment with alkylating agents

Introduction: Alkylating chemotherapy (ALK) is frequently used in patients with PanNETs. It may favour grade progression and acquisition of a hypermutator phenotype associated with frequent alterations of the MMR genes, suggesting a potential benefit of ICI.

Conference:

Presenting Author:

Authors: de Mestier L, Apostolidis L, Koumarianou A, Hernando Cubero J, Riechelmann R,

Keywords: immune checkpoint inhibitor, immunotherapy, hypermutagenicity, alkylating agents, tumour mutational burden, mismatch repair,

#4386 Streptozotocin- and temozolomide-based chemotherapy treatment in neuroendocrine neoplasms – Efficacy in patients treated outside clinical trials

Introduction: Chemotherapy treatment based on alkylating agents is useful in pancreatic and grade 3 neuroendocrine neoplasms (NENs). However, no current real-life data is available comparing streptozotocin (STZ) and temozolomide (TEM) combinations.

Conference:

Presenting Author: García-Álvarez A

Authors: García Alvarez A, Martínez-Badal S, García-Burillo A, Simó Perdigo M, Merino Casabiel X,

Keywords: Streptozotocin, temozolomide, neuroendocrine neoplasm,

#3954 Comparison of transarterial embolisation (TAE) or chemoembolisation (TACE) using streptozotocin (STZ) and biomarker study in patients with metastatic neuroendocrine tumors (NET)

Introduction: We compared TACE and TAE in patients with pancreatic (pNET) or small-intestine NET (siNET) and explored the role of biomarkers related to alkylating agents (O6-methylguanine-methyltransferase [MGMT], alkylpurine–DNA–N-glycosylase [APNG]) or hypoxia (Carbonic anhydrase IX [CAIX]).

Conference:

Presenting Author: de Mestier L

Authors: Vedie A, Dioguardii Burgioo M, Matteini F, Akez M, Hentic O,

Keywords: transarterial embolization, chemoembolization, metastatic neuroendocrine tumor, biomarker,

#3044 Efficacy of Alkylating Agent Re-challenge after Therapeutic Pause in Metastatic Pancreatic Neuroendocrine Tumors (PanNET)

Introduction: Temozolomide (TMZ) and dacarbazine (DTIC) are alkylating agents (ALK) with antitumor efficacy in metastatic PanNET. Rechallenging ALK following prior efficacy is commonly performed but has not been evaluated.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: De Rycke O, Walter T, Perrier M, Hentic O, Lombard-Bohas C,

Keywords: alkylating agents, pancreatic NET, re-challenge, chemotherapy,

#2904 Prognosis and Management of Advanced Digestive Well-Differentiated Grade 3 Neuroendocrine Tumors (G3 NETs): A NET-CONNECT Study Performed in Four Expert Centers

Introduction: G3 NETs are rare tumors with poorly defined prognosis and management.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: de Mestier L, Lamarca A, Hernando-Cubero J, Alonso Gordoa T, Cros J,

Keywords: grade 3, prognosis, treatment, alkylating agents,