esmo advanced course on neuroendocrine neoplasms · esmo advanced course on neuroendocrine...
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![Page 1: ESMO ADVANCED COURSE ON NEUROENDOCRINE NEOPLASMS · ESMO ADVANCED COURSE ON NEUROENDOCRINE NEOPLASMS General criteria of therapeutic strategy Nicola Fazio, M.D., Ph. D. Divisionof](https://reader030.vdocument.in/reader030/viewer/2022040516/5e75f8cd05106873906b1aeb/html5/thumbnails/1.jpg)
ESMO ADVANCED COURSE ON
NEUROENDOCRINE NEOPLASMS
General criteria of therapeutic strategy
Nicola Fazio, M.D., Ph. D.
Division of Gastrointestinal Medical Oncology and Neuroendocrine TumorsEuropean Institute of Oncology, Milan
Barcelona, 14-Jun-2019
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DISCLOSURES
� Personal financial interests: Novartis, Ipsen, Pfizer, Merck Serono, Advanced Accelerator Applications, MSD (Advisory board,public speaking)
� Institutional financial interests: Novartis, Ipsen, Merck Serono, MSD, Pharmacyclics, Incyte, Halozyme, Roche, Astellas, Pfizer (Clinical trials or research projects: principal investigator, steering committee member)
� Non-financial interests:
o ESMO: Coordinator of the Neuroendocrine, Endocrine neoplasms and CUP Faculty
o ENETS: advisory board chairman
o AIOM: coordinator for ITALIAN NEN guidelines
o ITANET: Scientific committee member
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Neuroendocrine neoplasms (NENs)Terminology
Poorly differentiatedor
High grade
Poorly differentiatedor
High grade
Well (moderately) differentiatedor
Low / intermediate grade
Well (moderately) differentiatedor
Low / intermediate grade
TumoursNET
CarcinomasNEC
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GEP
Other
Neuroendocrine tumors (NETs)Epidemiology
Lung
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H&N, GU
MCC
Neuroendocrine carcinomas (NECs)Epidemiology
Lung
GEP
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Dasari et al., Cancer 2017
High grade GEP NENs
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NEN DIAGNOSIS
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NEN diagnosis:suspected / probable
• Symptoms (e.g. chronic diarrhea)
• Biochemical markers (e.g. elevatd CgA)
• Functional imaging (e.g. SSTR-related imaging)
• Morphological imaging (e.g. pancreatic nodule atCT-scan)
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US-guided liver biopsy:
“liver mets from
neuroendocrine
neoplasm”
Sure NEN diagnosis: pathology
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“Pure” NEN “Non pure” NEN
Adenocarcinoma with a neuroendocrine differentiation
Mixed (at least 30% each component)Combined, composited, anphicrin
GEP NENs:right diagnosis Non NEN
The right diagnosis of a “pure NEN”
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� Tumor grade (differentiation, Ki-67)
� Tumor stage (TNM; CT/MRI + PET/CT)
GEP NETS:Main criteria for therapeutic choice
� SSTR-2 expression (intensity, homogeneity)
� Tumour primary site
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� Midgut
� GI extra-midgut
� Pancreas
GEP NENs: primary site
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Survival of NET patients has been reported
to be related
to stage, grade and primary site.
Dasari, JAMA Oncol 2017
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• Radically resectable (locallyadvanced or oligometastatic)
• Advanced unresectable
GEP NETs: Goal of treatment
� Surgery
� Potentially resectable
� Never resectable
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Advanced GEP NETs: goals of treatment
• Cytoreduction
• Tumour growth control (long-termstabilization)
• Sindrome
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Disease features to consider for therapy -1
Low/intermediate grade vs. high grade
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US-guided liver biopsy:
“well-diff. NET”
Ki-67 = 10%
Abdominal CT-scan
Primary tumor: pancreatic body/tail
Metastatic panNEN: clinical case - 3
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G1(Ki-67 < 2% and/or MI < 2)
G2(Ki-67 3-20% and/or MI 2-20)
G3(Ki-67 > 20% and/or MI > 20)
WHO 2017 Pancreatic NEN classification
G3(Ki-67 > 20% and/or MI > 20)
NET(Tumours)
NEC(Carcinomas)
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US-guided liver biopsy:
“well-diff. NET”
Ki-67 = 30%
Abdominal CT-scan
Primary tumor: pancreatic body/tail
Metastatic panNEN: clinical case - 3
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G1(Ki-67 < 2% and/or MI < 2)
G2(Ki-67 3-20% and/or MI 2-20)
G3(Ki-67 > 20% and/or MI > 20)
WHO 2017 Pancreatic NEN classification
G3(Ki-67 > 20% and/or MI > 20)
NET(Tumours)
NEC(Carcinomas)
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High grade GEP NENs
Fazio & Milione., Cancer Treat Rev 2016
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Disease features to consider for therapy -2
� Functioning vs. non functioning
� Inherited vs. sporadic
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GEP NETs: clinical syndromes
Dimitriadis et al., End Rel Cancer 2016
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Disease features to consider for therapy - 3
SSTR-2 + vs. SSTR-2
(functional expression)
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Somatostatin receptors (SSTRs)
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SRS
68GaPET-CT
Subtype-2 somatostatin receptor (SSTR-2)
IHC
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Score 0 Score 1
SUBCELLULAR PATTERN
Purecytoplasmic
Membranoususually
incomplete
Membranouscircumferential
(Negative)
(Absent) 1-100%
CONCORDANCE WITH OCTREOSCAN DATA
EXTENSION OF POSITIVE TUMOR CELL POPULATION
<50% >50%
50% 54% 87% 94%
Score 2 Score 3
Volante, Modern Pathology 2007
SSTR-2 IHC score
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SSTR-2 functional expression: applications
• Prognosis
• Prediction of response to PRRT
• Staging
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Abdominal CT-scan
68Ga-PET-CT-DOTATOC
Metastatic panNEN: clinical case - 5
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GEP NET: clinical presentation
At diagnosis mainly:
� Advanced (mostly liver)
� Non functioning (no clinical syndrome)
� Sporadic
� SSTR-2 positive (at 68Ga-DOTA-peptide-PET/CT)
Cives et al., CA Cancer J Clin 2018
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Controversial criteria for choosing the first-line therapy
• Tumor status (stable or progressive disease)
• Tumor burden
• Symptomaticity (mass-effect)
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Controversial criteria for choosing therapy in intermediate grade GEP NETs
18FDG-PET/CT
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1° step:
multidisciplinary discussion to
share a therapeutic strategy
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NEN-dedicated multidisciplinary team (MDT)
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� Involvement of a NET referral Center
� Multidisciplinary discussion (1° step of diagnostic-therapeutic management)
Bases of therapeutic approach to GEP NET patients
� The MDT should be composed by NEN-dedicated specialists
� The MDT should share a therapeutic strategy rather than the single therapy
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European Institute of Oncology, IEO, Milan, Italy
ENETS Center of Excellence for GEP NETs
IEO NET multidisciplinary team