Abstract Library

Members may log into MY ENETS to visit the abstract library from previous ENETS conferences.

Participants of the ENETS Conference in 2024 can now access the abstract booklet, e-posters and videos, slide decks of talks, the poster carousel, and more via My ENETS.

ENETS Abstract Search

#2291 Somatostatin Analogs and mTOR Inhibitors as Radioprotectors or Radiosensitizers in Neuroendocrine Tumor Cells

Introduction: Neuroendocrine tumors (NETs) express somatostatin receptors that are currently utilized for diagnostic and therapeutic approaches. For peptide receptor radionuclide therapy (PRRT), somatostatin analogs are coupled to radionuclides like 90Y or 177Lu, which after injection are bound and taken up specifically by NETs. One hypothesis potentially explaining the discrepancies between expected result and observed outcome of PRRT might be that somatostatin analogs induce a G1 arrest in NET cells, thereby rendering them radioresistant.

Conference: 15th Annual ENETSConcerence (2018)

Presenting Author: Grötzinger C

Authors: Grötzinger C, Exner S, Prasad V, Erdmann S, Wiedenmann B,

Keywords: PRRT,

#2280 The BON-SSTR2 Chicken Chorioallantoic Membrane (CAM) Model for the Analysis of Lu-17-DOTATOC Sensitizing Agents

Introduction: Peptide radioreceptor therapy (PRRT) is a promising therapy option for SSTR2-positive pancreatic neuroendocrine neoplasms (NEN). However, therapeutic effects are often not satisfying concerning sensitivity to PRRT. We hypothesize that the slow proliferation of NENs provides sufficient time for the repair of beta-particle induced-DNA damage. The ubiquitin-proteasome-system is involved in DNA damage repair and affected by the proteasome inhibitor bortezomib (Velcade®). The inhibition of DNA damage repair during PRRT may be an option to improve therapy response in NEN. We have recently demonstrated the damage repair inhibitory and pro-apoptotic effect of bortezomib in NEN in vitro (Briest et al., in revision).

Conference: 15th Annual ENETSConcerence (2018)

Presenting Author: Briest F

Authors: Briest F, Grötzinger C, Exner S, Sedding D, Baum R,

Keywords: peptide radioreceptor therapy, Lu-177-DOTATOC, PRRT, bortezomib, in vivo model, SPECT/CT Imaging, chicken CAM model, Sensitizer, DNA damage repair,

#1817 Dosimetric Analyses of Patients with Metastatic Gastrointestinal Neuroendocrine Tumors Treated with PRCRT Using 177 Lu-DOTATATE with Capecitabine as Radiosensitizer

Introduction: Peptide Receptor Radionuclide Therapy with 177Lu-DOTATATE is gaining acceptance as safe and effective therapy for inoperable neuroendocrine tumors (NET). A radiosensitizing chemotherapeutic drug -capecitabine, the prodrug of 5-Flourouracil, is included in the protocol to further enhance therapeutic efficacy.

Conference: 14th Annual ENETSConcerence (2017)

Presenting Author: Dureja S

Authors: Dureja S, Thakral P, Pant V, Pallavi U, Vindhya M,

Keywords: PRRT, radiosensitizer,

#1506 Somatostatin Analogs and mTOR Inhibitors as Radioprotectors or Radiosensitizers in Neuroendocrine Tumor Cells

Introduction: PRRT can deliver radiation doses of up to 250 Gy to the tumors. Nevertheless, complete remission is extremely rare, compared to similar radiotherapies for thyroid cancer and non-Hodgkin lymphoma.

Conference: 13th Annual ENETSConcerence (2016)

Presenting Author:

Authors: Exner S, Erdmann S, Wiedenmann B, Prasad V, Grötzinger C,

Keywords: PRRT,

#613 Preclinical Evaluation of Novel Combinations of 177-Lutetium Octreotate with Molecular Targeted Agents in Neuroendocrine Tumor Models

Introduction: Peptide receptor radionuclide therapy (PRRT) has been valuable in the treatment of somatostatin receptor-2 (SSTR2) expressing neuroendocrine tumors (NET) but more effective clinical regimens are needed.

Conference: 10th Annual ENETSConcerence (2013)

Presenting Author: Cullinane C

Authors: Cullinane C, Waldeck K, Kirby L, Eu P, Hicks R,

Keywords: preclinical models, PRRT, radiosensitizer,