1 OPTIMISING OUTCOMES IN GASTROINTESTINAL NEUROENDOCRINE TUMOURS Dr Mairéad McNamara Senior lecturer, University of Manchester & Honorary Consultant in Medical Oncology, The Christie NHS Foundation Trust
2 NEUROENDOCRINE TUMOURS: OPTIMISING OUTCOMES What are neuroendocrine tumours? Classification Symptoms Multidisciplinary approach Investigations Treatment The future Targeted molecular therapy Research
3 THE NEUROENDOCRINE SYSTEM Neuro = nerve Endocrine = network of glands and organs in the body that produce hormones Neuroendocrine cells found in endocrine glands adrenal glands, pancreas, thyroid, pituitary and in ovaries and testes Source: licensed under the Creative Commons Attribution 3.0 Unported license
4 NEUROENDOCRINE TUMOURS Neuroendocrine tumour (NET) = tumour of the neuroendocrine system Most common locations are in the lungs and digestive system Carcinoid when tumours arise in the tubular gastrointestinal (GI) tract Pancreatic neuroendocrine tumours (pnets) when they arise in the pancreas Gastrinomas when they arise in the proximal portion of the duodenum The more accurate description is NET or gastroenteropancreatic (GEP) NET (two categories tumours of luminal GI tract and pnets) Source: reproduced with permission from Ipsen
5 NEUROENDOCRINE TUMOURS: HISTORY Mid-1800s first identified 1907 Carcinoid a tumour that grew much more slowly than usual cancers 1950s could spread from one part of the body to another like other forms of cancer 1952 carcinoid heart disease identified flushing effect of serotonin became clinically recognised Modlin IM, et al., Human Pathology 2004; 35:
6 NEUROENDOCRINE TUMOURS: INCIDENCE Rare, incidence rising 1 possibly due to increased detection of asymptomatic disease As diagnostic imaging increases in sensitivity, very small insignificant NETs may be coincidentally discovered Most are sporadic (causes unknown) but patients with multiple endocrine neoplasia (MEN), neurofibromatosis type 1 and von Hippel Lindau (VHL) are at increased risk NET incidence by primary site Yao JC, et al., J Clin Oncol. 2008; 26: Reprinted with permission. 2008, American Society of Clinical Oncology. All rights reserved.
7 NEUROENDOCRINE TUMOURS: CLASSIFICATION NETs often grow slowly and it may take years before symptoms appear and tumour is diagnosed; well-differentiated Some NETs may be fast-growing; poorly-differentiated
8 ENETS / WHO 2010 Nomenclature and classification for digestive system NET Tumour differentiation Welldifferentiated Poorlydifferentiated Grade Mitotic count (in 10 high-power fields) Ki-67 index (%) 1 Low < 2 < 3 2 Intermediate High >20 >20 ENETS / WHO classification Neuroendocrine tumour, Grade 1 Neuroendocrine tumour, Grade 2 Neuroendocrine carcinoma, Grade 3 (small cell) Neuroendocrine carcinoma, Grade 3 (large cell)
9 NEUROENDOCRINE TUMOURS: NON-FUNCTIONING Non-functioning NETs: Discovered incidentally during surgery or on an investigation being carried out for other reasons Do not overproduce hormones May not cause symptoms
10 NEUROENDOCRINE TUMOURS: SYMPTOMS Symptoms: Pain Nausea Change in bowel habits Lung chest infections, shortness of breath, cough, haemoptysis Overproduction of hormones (functioning NETs): Insulinomas low blood glucose Glucagonomas high blood glucose VIPomas diarrhoea Gastrinomas ulcers
11 NEUROENDOCRINE TUMOURS: CARCINOID SYNDROME Some NETs (more commonly NETs of small bowel, large bowel or appendix) may overproduce serotonin Serotonin causes a characteristic collection of symptoms called the carcinoid syndrome Image made available under Creative Commons CC0 1.0 Universal Public Domain Dedication.
12 NEUROENDOCRINE TUMOURS: INVESTIGATIONS Investigation Example Blood tests Routine blood tests - 5-HIAA (serum or urine), chromogranin A, gut hormones, NT probnp, neuron-specific enolase Imaging Biopsy Endoscopy Further tests - Computerised Tomography (CT) scan - Magnetic Resonance Imaging (MRI) - Functional imaging - Somatostatin receptor scintigraphy (111-In pentetreotide [Octreoscan] or Gallium Positron Emission Tomography (PET) scan) - Echocardiogram Establish differentiation Diagnosis, excision Bronchoscopy for lung NETs
13 SOMATOSTATIN RECEPTORS Somatostatin receptors 2 and 5 (SSTR2 and SSTR5) are expressed in 70-90% of NETs 1 Result on somatostatin-receptor scintigraphy is one factor that predicts effectiveness of somatostatin analogue therapy Outcome according to SSTR expression not known Pancreatic gastrinoma stained for the somatostatin receptor 2A; the cell membrane is stained brown (400x magnification) 1. Papotti M, et al. Expression of somatostatin receptor types 1 5 in 81 cases of gastrointestinal and pancreatic endocrine tumours. Virchows Arch 2002;440: Copyright 2002, Springer-Verlag. With permission of Springer.
14 68 GALLIUM DOTANOC PET CT SCAN Segment 1, 2, 3 and 4 of liver largely replaced and expanded by tumour Infiltration of adjacent segments 5 and 8 with multiple smaller discrete tracer avid lesions in remaining segments Multiple skeletal lesions demonstrating intense tracer uptake; T2 vertebra, right humeral head, left anterior second rib, sternum, sacrum, large destructive lesion left scapula Courtesy of The Christie NHS Foundation Trust
15 REFERRAL TO SPECIALIST CENTRE Because of the rarity of these tumours, not all doctors and local hospitals will have the full expertise to deal with this type of diagnosis Referral to a NET centre of excellence may be required
17 NEUROENDOCRINE TUMOURS: TREATMENT Depends on: Primary site of NET Classification Size of the tumour and whether it has metastasised Whether patient has carcinoid syndrome or overproduction of other hormones A watch and wait approach may be adopted in selected cases of incidental NETs
18 LOCALISED GASTROINTESTINAL NEUROENDOCRINE TUMOURS: TREATMENT 1 Management by site: Gastric Appendix Management depends on type (whether 1, 2 or 3) <2 cm - simple appendicectomy (no mesoappendix invasion) Pancreas Resection indicated to alleviate symptoms due to hormone overproduction, local mass effect, prevent malignant transformation or dissemination Ampulla of Vater Resection >2 cm or mesoappendiceal invasion right hemicolectomy Rectal NET <1 cm and T1 local endoscopic resection 1-2 cm controversial individualised treatment required Small bowel NET >2 cm resection Resection 1. Please refer to European Neuroendocrine Tumour Society (ENETS) guidelines 2016.
19 RESECTED GASTROINTESTINAL NEUROENDOCRINE TUMOURS: FOLLOW-UP 1 Follow-up: May include: Biochemical markers (5-HIAA (serum or urine), chromogranin A, gut hormones, neuron-specific enolase) Imaging (as appropriate) Functional imaging (Somatostatin receptor scintigraphy (111- In pentetreotide [Octreoscan] or Gallium Positron Emission Tomography (PET) scan) should be performed where recurrence is suspected 1. Please refer to ENETS guidelines 2016.
20 ADVANCED GASTROINTESTINAL NETs: FOLLOW-UP 1 There is no high level evidence to support the role of functional imaging (somatostatin receptor scintigraphy [111-In pentetreotide (Octreoscan)] or gallium positron emission tomography [PET] scan) in response evaluation of patients with advanced gastrointestinal NETs 1. Please refer to ENETS guidelines 2016.
21 NEUROENDOCRINE TUMOURS: TREATMENT Treatment goals: (care tailored to suit individual patient) Remove the tumour by surgery, however, if the tumour has metastasised, this may not be possible Alleviate symptoms Control tumour growth Maintain patient quality of life Courtesy of The Christie NHS Foundation Trust
22 ADVANCED GASTROINTESTINAL NETS: INITIAL THERAPY Hormone Hyper-secretion Somatostatin analogues Agents appropriate to specific syndrome Resectable hepatic metastases Consider surgery Asymptomatic Observation alone Somatostatin analogues at disease progression or if symptomatic
23 SOMATOSTATIN ANALOGUES PROMID 1 CLARINET 2 1. Rinke A, et al. J Clin Oncol 2009;27: ; 2. Caplin ME, et al. N Engl J Med 2014; 371:
24 PROMID: OCTREOTIDE LAR - PHASE 3 Patients with: Treatment-naïve Well differentiated (95% Ki-67 2%) Double blind R Placebo (n=43) IM every 28 days Octreotide LAR (n=42) 30 mg IM every 28 days Metastatic mid-gut NETs Primary endpoint: Time to tumour progression Log-rank test p < 0.001, HR = 0.34 (95% CI ) Octreotide LAR significantly lengthens time to tumour progression compared with placebo in patients with functionally active and inactive metastatic midgut NETs Rinke A, et al., J Clin Oncol. 2009;27: Reprinted with permission. 2009, American Society of Clinical Oncology. All rights reserved.
25 CLARINET: LANREOTIDE - PHASE 3 Tumours originated in pancreas, mid-gut, hindgut or of unknown origin 96% no tumour progression in 3-6 months before randomisation Double blind R Placebo (n=103) SC every 28 days Lanreotide (n=101) 120 mg SC every 28 days 84% patients had no previous treatment Well differentiated (Ki-67<10%) Primary endpoint: Progression-free survival (PFS) Lanreotide is associated with significantly prolonged PFS among patients with metastatic enteropancreatic NETs (Grade 1 or 2) From N Engl J Med. 2014, Caplin ME, et al., Lanreotide in Metastatic Enteropancreatic Neuroendocrine Tumors, 371: Copyright 2014, Massachusetts Medical Society. Reprinted with permission from Massachusetts Medical Society.
26 CLARINET: LANREOTIDE PHASE 3 PFS: According to sub-groups Double blind R Placebo (n=103) SC every 28 days Lanreotide (n=101) 120 mg SC every 28 days From N Engl J Med. 2014, Caplin ME, et al. Lanreotide in Metastatic Enteropancreatic Neuroendocrine Tumors, 371: Copyright 2014, Massachusetts Medical Society. Reprinted with permission from Massachusetts Medical Society.
27 CLARINET 1 : LANREOTIDE - PHASE 3 (pnet) PFS: According to pnet 2 sub-group Mean age 64 years both groups Overall: 37% had hepatic tumour load >25%, 95% stable disease, 77% had received no previous treatment, 38% had previous surgery on the tumour No new safety concerns The positive risk-benefit profile for lanreotide depot in pnets is consistent with overall findings in CLARINET Double blind R Median progression-free survival data 2 Lanreotide: not reached Placebo: 12.1 months (95% CI months) Placebo (n=49) SC every 28 days Lanreotide (n=42) 120 mg SC every 28 days HR for progressive disease/death 0.58, 95% CI Caplin ME, et al., N Engl J Med. 2014; 371: Phan AT, et al., J Clin Oncol. 2015; 33 (suppl 3; abstr 233).
29 EVEROLIMUS (RADIANT-3) 1 : pnet PHASE 3 Everolimus: Oral inhibitor of mammalian target of rapamycin (mtor) Double blind Patients with: Advanced, low- or intermediate-grade pnet 40% therapy naïve Radiologic progression within previous 12 months Primary endpoint: Progression-free survival R Placebo (n=203) Everolimus (n=207) 10 mg/day continuously Mature median overall survival data 2 Everolimus: months (95% CI ) Placebo: months (95% CI ) HR 0.94, 95% CI , P=0.30 Crossover of majority of patients (85%) may have confounded results. Everolimus significantly improved PFS as compared to placebo in patients with advanced pnets 1. From Yao JC, et al., N Engl J Med. 2011; Everolimus for Advanced Pancreatic Neuroendocrine Tumors; 364: Copyright Massachusetts Medical Society. Reprinted with permission from Massachusetts Medical Society. 2. Yao JC, et al., ESMO 2014; abstract
30 SUNITINIB: pnet PHASE 3 Sunitinib: Multi-targeted tyrosine kinase inhibitor Patients with: Well-differentiated advanced pnets Majority had received prior systemic therapy Double blind R Placebo (n=85) Sunitinib (n=86) 37.5mg/day continuously Radiologic progression within previous 12 months Primary endpoint: Progression-free survival 2x PFS: 11.4 v 5.5 months P<0.001 PFS OS Sunitinib improved PFS and OS as compared to placebo in patients with advanced pnets From Raymond E, et al., N Engl J Med. 2011; Sunitinib Malate for the Treatment of Pancreatic Neuroendocrine Tumors. 364: Copyright Massachusetts Medical Society. Reprinted with permission from Massachusetts Medical Society.
31 SMALL BOWEL NETS: PROGRESSIVE DISEASE Symptomatic from tumour bulk Somatostatin analogues +/- Chemotherapy Liver-predominant disease Hepatic arterial embolisation Refractory to medical therapy Peptide receptor radioligand therapy (PRRT) where available
32 PEPTIDE RECEPTOR RADIONUCLIDE THERAPY: PRRT Use of targeted radiotherapy using radiolabeled somatostatin analogues, in the treatment of patients with NETs Data previously generated in populations of patients with combined pancreatic and gastrointestinal NETs In general, objective tumour response rates were up to 30% Approximately one-third of patients had symptomatic improvement 1 1. Kwekkeboom DJ, et al., J Clin Oncol. 2008; 26(13):
33 NETTER-1 1 : STUDY OBJECTIVES AND DESIGN AIM Evaluate the efficacy and safety of 177 Lu-Dotatate plus Octreotide 30 mg compared to Octreotide LAR 60 mg (off-label use) 2 in patients with inoperable, somatostatin receptor positive, midgut NET, progressive on Octreotide LAR 30 mg DESIGN International, multicentre, randomised, comparator-controlled, parallel-group Treatment and Assessments Tumour burden assessment (RECIST criteria) every 12 weeks BASELINE AND RANDOMISATION n = 115 n = administrations of 7.4 GBq of 177 Lu-Dotatate every 8 weeks + Octreotide 30 mg Octreotide LAR 60mg every 4 weeks 5 Years follow up 1. Strosberg J, et al., ECC Vienna Abstract 6LBA. 2. FDA and EMA recommendation.
34 Strosberg J, et al. Presented at the ECC, Vienna, September 2015; abstract 6LBA. Reprinted with permission from Johnathan Strosberg. NETTER-1: PROGRESSION-FREE SURVIVAL N = 229 (ITT) Number of events: Lu-Dotatate Median PFS: Not reached 177 Lu-Dotatate: 23 Oct 60 mg LAR: 67 HR [95% CI] [ ] p < Octreotide LAR 60 mg Median PFS: 8.4 months Significant increase in PFS in patients with advanced midgut NETs treated with 177 Lu-Dotatate
35 RADIANT-4: STUDY DESIGN Patients with well-differentiated (G1/G2), advanced, progressive, nonfunctional NET of lung or GI origin (N=302). Absence of active or any history of carcinoid syndrome. Pathologically-confirmed advanced disease. R A N D O M I S E 2:1 Everolimus 10 mg/day N=205 Placebo N=97 Treated until PD, intolerable AE, or consent withdrawal. Radiologic disease progression in 6 months. Endpoints: Primary: PFS (central) Key Secondary: OS Secondary: ORR, DCR, safety, HRQoL (FACT-G), WHO PS, NSE/CgA, PK Stratified by: Prior SSA treatment (yes vs. no) Tumour origin (stratum A vs. B)* WHO PS (0 vs. 1) *Based on prognostic level, grouped as: Stratum A (better prognosis) appendix, caecum, jejunum, ileum, duodenum, and NET of unknown primary. Stratum B (worst prognosis) lung, stomach, rectum, and colon except caecum. Crossover to open-label everolimus after progression in the placebo arm was not allowed prior to the primary analysis. Yao JC, et al., Lancet, 2016; 387:
36 Probability of Progression-free Survival (%) RADIANT-4: PROGRESSION-FREE SURVIVAL 52% reduction in the relative risk of progression or death with everolimus vs placebo HR = 0.48 (95% CI, ); P < Kaplan Meier medians Everolimus: 11.0 months (95% CI, ) Placebo: 3.9 months (95% CI, ) No.of patients still at risk Censoring Times Everolimus (n/n = 113/205) Placebo (n/n = 65/97) Months Everolimus Placebo P-value is obtained from the stratified one-sided log-rank test; Hazard ratio is obtained from stratified Cox model. Reprinted from Yao JC, et al. Lancet 2016;387: Everolimus for the treatment of advanced, non-functional neuroendocrine tumours of the lung or gastrointestinal tract (RADIANT4): a randomised, placebo controlled, phase 3 study. Copyright 2016, with permission from Elsevier.
37 TELESTAR 1 : TELOTRISTAT ETIPRATE (MECHANISM OF ACTION) Telotristat etiprate is a novel inhibitor of tryptophan hydroxylase, the rate-limiting enzyme in serotonin biosynthesis 2 1. Kulke MH, et al., ECC Vienna Abstract 37LBA. 2. Druce M, et al. Nature Reviews Endocrinology 2009;5: Reprinted by permission from Macmillan Publishers Ltd: Nature Reviews Endocrinology Fibrosis and carcinoid syndrome: from causation to future therapy. Copyright 2009.
38 TELESTAR: STUDY DESIGN 3- to 4-week run-in (n=135) Run in: Evaluation of bowel movement (BM) frequency (well differentiated metastatic NET with documented carcinoid syndrome with 4 BMs/day). 1:1:1 R Placebo TID (n=45) Telotristat etiprate 250 mg TID (n=45) Telotristat etiprate 500 mg TID* (n=45) Evaluation of primary endpoint: Reduction in number of daily BMs from baseline (averaged over 12- week double-blind treatment phase) Telotristat etiprate 500 mg TID All patients required to be on SSA at enrollment and continue SSA therapy throughout study period *Including a blinded titration step of one week of 250 mg TID. BM; bowel movement, SSA; somatostatin analogue, TID; three times daily. ClinicalTrials.gov. NCT TELESTAR. Available at: Accessed September Kulke MH, et al., ECC Vienna Abstract 37LBA.
39 TELESTAR: STUDY DESIGN Hodges Lehmann estimator of treatment differences showed a median reduction versus placebo of 0.81 BMs daily for telotristat etiprate 250 mg dose (P<0.001) 0.69 for telotristat etiprate 500 mg dose (P<0.001) Kulke MH, et al., ECC Vienna Abstract 37LBA. Reprinted with permission from Matthew Kulke.
40 POORLY-DIFFERENTIATED NE CARCINOMAS (ADVANCED): ROLE OF CHEMOTHERAPY Systemic chemotherapy with a platinum-based combination regimen, analogous to that used for small cell lung cancer Anti-tumoural activity and high tumour response rates (41-67%) 1 No established second-line treatment All studies to date are small retrospective series: FOLFIRI 2 (N=19) FOLFOX 3 (N=21) Temozolomide-based regimens 4 (N=25) Topotecan 5 (N=22) Taxotere-based chemotherapy 6 (N=20) 1. Moertel CG, et al., Cancer. 1991;68:227-32; 2. Hentic O, et al., Endocr Relat Cancer. 2012;19:751-7; 3. Hadoux J, et al., ENETS, 2013; 4. Welin S, et al., Cancer. 2011;117: ; 5. Olsen PS, et al., J of Cancer. 2014;5:628-32; 6. Sorbye H, et al., Ann Oncol. 2013;24(1):
41 THE FUTURE Some ongoing studies 1 : Maintenance therapy Lanreotide as maintenance therapy in patients with non-resectable duodeno-pancreatic NETs (REMINET NCT ) Sequencing of therapy Everolimus followed by Streptozotocin/5-fluorouracil upon progression or reverse sequence in pancreatic NET (SEQTOR NCT ) Combination therapy with PRRT and chemotherapy Capecitabine/Temozolomide +/- PRRT in patients with well-differentiated midgut NETs (NCT ) 1. ClinicalTrials.gov
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Prior Authorization Review Panel MCO Policy Submission A separate copy of this form must accompany each policy submitted for review. Policies submitted without this form will not be considered for review.
At the Cutting Edge Received: February 29, 2016 Accepted: April 12, 2016 Published online: April 16, 2016 Systematic Review of the Role of Targeted Therapy in Metastatic Neuroendocrine Tumors Adrian Lee
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Federal Employee Program 1310 G Street, N.W. Washington, D.C. 20005 202.942.1000 Fax 202.942.1125 5.30.27 Subject: Somatuline Depot Page: 1 of 5 Last Review Date: December 8, 2017 Somatuline Depot Description
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PANCREATIC NEUROENDOCRINE TUMORS DECEMBER 12, 2017 IF YOU EXPERIENCE TECHNICAL DIFFICULTY DURING THE PRESENTATION: CONTACT WEBEX TECHNICAL SUPPORT DIRECTLY AT: US TOLL FREE: 1-866-779-3239 TOLL ONLY: 1-408-435-7088
lutetium ( 177 Lu) oxodotreotide 370MBq/mL solution for infusion (Lutathera ) SMC No 1337/18 Advanced Accelerator Applications 8 June 2018 The Scottish Medicines Consortium (SMC) has completed its assessment
Saturday, November 5, 2005 8:30-10:30 a. m. Poorly Differentiated Endocrine Carcinomas Chairman: E. Van Cutsem, Leuven, Belgium 9:00-9:30 a. m. Working Group Sessions Pathology and Genetics Group leaders:
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Guide for patients, carers and doctors about Neuroendocrine (NET) Cancer Guide for patients, carers and doctors about Neuroendocrine (NET) Cancer First Edition: 2015 The Unicorn Foundation PO BOX 384 Blairgowrie
NEUROENDOCRINE TUMORS A PRIMER FOR HEALTHCARE PROFESSIONALS Advocating the Right Team, the Right Treatment, at the Right Time for Neuroendocrine (NET) patients and physicians educating I funding I supporting