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Poster Discussion session - NETs and endocrine tumours

4572 - Prospective genome and transcriptome sequencing in advanced-stage neuroendocrine neoplasms


22 Oct 2018


Poster Discussion session - NETs and endocrine tumours


Translational Research

Tumour Site

Neuroendocrine Neoplasms


Leonidas Apostolidis


Annals of Oncology (2018) 29 (suppl_8): viii467-viii478. 10.1093/annonc/mdy293


L. Apostolidis1, S. Kreutzfeldt2, M. Oles2, L. Gieldon3, C. Heining4, P. Horak2, B. Hutter5, M. Fröhlich5, B. Klink3, M. Lamping6, S. Uhrig5, A. Stenzinger7, E.C. Winkler1, B. Wiedenmann8, D. Jäger1, E. Schröck3, U. Keilholz6, M.E. Pavel9, H. Glimm4, S. Fröhling2

Author affiliations

  • 1 Department Of Medical Oncology, National Center for Tumor Diseases, University Hospital Heidelberg, 69120 - Heidelberg/DE
  • 2 Department Of Translational Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), 69120 - Heidelberg/DE
  • 3 Institute For Clinical Genetics, Faculty of Medicine Carl Gustav Carus, Dresden/DE
  • 4 National Center For Tumor Diseases (nct) Dresden, University Hospital Carl Gustav Carus, Dresden/DE
  • 5 Division Applied Bioinformatics, Dkfz And Nct, German Cancer Consortium (DKTK), Heidelberg/DE
  • 6 Charité Comprehensive Cancer Center, Charité University Medicine, Berlin/DE
  • 7 Institute Of Pathology, University Hospital Heidelberg, 69120 - Heidelberg/DE
  • 8 Department Of Gastroenterology And Hepatology, Charité University Medicine, 13353 - Berlin/DE
  • 9 Department Of Medicine, Division Of Endocrinology, Friedrich Alexander University Erlangen-Nürnberg, 91054 - Erlangen/DE

Abstract 4572


Therapeutic options for neuroendocrine neoplasms (NEN) are limited. Within the NCT/DKTK-MASTER precision oncology trial, we apply prospective whole-genome (WGS), whole-exome (WES), and transcriptome sequencing (TS) in a wide range of solid tumors to evaluate the feasibility of optimizing treatment by deep analysis of genomic alterations. Here we report the first clinical results of the NEN cohort within this study.


Between 2012 and 2017, we included 84 NEN patients. All patients had advanced disease and had received at least one line of prior standard therapy. We performed WES (n = 60) or WGS (n = 24) and TS (n = 69). Molecular findings (somatic/germline small nucleotide variants, insertions, deletions, copy number variations, mutational burden and signatures, homologous recombination deficiency scores, gene expression patterns, etc.) were discussed in a molecular tumor board, and recommendations were sent to the treating physician.


Based on WES/WGS/TS, we recommended genomics-guided treatment in 74 patients (88%). Treatment recommendations were grouped as follows: PARP inhibition (n = 31), immunotherapy (n = 22), mTOR inhibition (n = 22), multi-kinase inhibition (n = 13), CDK4/6 inhibition (n = 12), tyrosine or serine/threonine kinase inhibition (ALK, n = 1; ERBB, n = 5; FGFR, n = 5; MET, n = 2; RET, n = 7; VEGFR, n = 3), MEK inhibition (n = 6), chemotherapy (n = 3) or other (n = 34). 17 patients received recommended therapies. Among those, 11 were evaluable for response with 4 partial responses (PR), 2 stable (SD) and 5 progressive diseases (PD). 25 patients died before therapy could be started, 9 patients are currently receiving other successful regimens, for 12 patients follow-up data are still pending.Table: 1310PD

HistologyPrimary sitesGenomics-guided treatments
HNThGILv/PcUGothsuccess (PR or SD)not evaluableno success (PD)
NET G21551411Cx2, METInh3, PARPInh4, CI5MKI10
NEC G32512654mTORInh6FGFRInh8, METInh92x PARPInh4

HN = head & neck, Th = thorax, GI = gastrointestinal, Lv/Pc = liver & pancreas, UG = urogenital, oth = other

1sunitinib, 2EWSR-FLI-fusion lead to ewing-sarcoma chemotherapy treatment, 3cabozantinib, 4olaparib, 5checkpoint-inhibitor, 6everolimus, 7pazopanib, 8ponatinib, 9crizotinib, 10vandetanib, 11alectinib


Extensive genomic and transcriptomic characterization offers valuable insight into pathogenic mechanisms in NEN and facilitates optimized treatment for certain patients. Genomic landscape data and predictive biomarker analysis are currently in preparation.

Clinical trial identification

This trial has been approved by the institutional research ethics committee (approval S-206/2011).

Legal entity responsible for the study

National Center for Tumor Diseases (NCT) Heidelberg.


Grant H021 from DKFZ-HIPO (Heidelberg Center for Personalized Oncology), Joint Funding Project grant from DKTK (German Cancer Consortium).

Editorial Acknowledgement


All authors have declared no conflicts of interest.

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