DIAGNOSI E TERAPIA DEI TUMORI ENDOCRINI DEL...
Transcript of DIAGNOSI E TERAPIA DEI TUMORI ENDOCRINI DEL...
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DIAGNOSI E TERAPIA DEI TUMORI
ENDOCRINI DEL PANCREAS
DIAGNOSI E TERAPIA DEI TUMORI
ENDOCRINI DEL PANCREAS
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REGISTRI SEER1973 - 2000
INCIDENZA
1.8/1 000 000/anno
2.6/1 000 000/anno
Halfdanarson TR., Annals of Oncology, 2008
Un po’ di epidemiologia……..
Dal 1973-1975Al 1996-2000
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REGISTRI SEER1973 - 2000
Halfdanarson TR., Annals of Oncology, 2008
1483 PNETs
44.8%
55.2%
Età mediaNon funzionanti 58.8 anniFunzionanti 55.2 anni
StageLocalizzati 11.1%Localmente avanzati 20.7%Metastatici 60.2%Non noto 8.0%
Presenza di sindromeNon funzionanti 90.8%Insulinomi maligni 2.5%Gastrinomi maligni 4.2%Glucagonomi maligni 1.6%VIPomi maligni 0.9%
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CLINICA
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TUMORI ENDOCRINI DEL PANCREAS
TUMORI NON ASSOCIATI A SINDROME
Fase precoce
DOLORE ADDOMINALE
ASTENIA
CALO PONDERALE
CLINICAMENTE SILENTI
Malattia avanzata
Bassi livelli di peptidi circolantiPeptidi biologicamente inattiviConcomitante secrezione di somatostatina
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• INSULINOMI
• GASTRINOMI
• VIPOMI
• GLUCAGONOMI
• SOMATOSTATINOMI
• GRF-OMI
• CARCINOIDI
La sindrome clinica ècorrelata alla
iperincrezione di peptidi
TUMORI ENDOCRINI DEL PANCREAS
TUMORI ASSOCIATI A SINDROME
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GLUCAGONOMAEritema necrolitico migranteDiabetePerdita di peso
VIPOMADiarrea acquosaIpokaliemiaIpoacloridria IpercalcemiaFlushing
SOMATOSTATINOMAColelitiasiDiabeteDiarrea/Steatorrea
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INSULINOMA
NeuroglicopeniaCambiamento della personalitàConfusione, diplopiaApatia, amnesiaComa
Eccesso di catecolamineSudorazionePalloreTachicardia
Altri sintomiFameAsteniaNausea, vomitoNeuropatia periferica
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GASTRINOMA
ULCERA PEPTICA SINGOLA O MULTIPLASINTOMI DA REFLUSSODIARREADOLORE ADDOMINALE
SEGNI E SINTOMI
SINDROME DI ZOLLINGER-ELLISON
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GASTRINOMASINDROME DI ZOLLINGER-ELLISON
Diagnosi in fase avanzata di malattia:riscontro occasionale di metastasi epatichecomparsa di segni e sintomi da massa neoplastica
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DIAGNOSI
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TUMORI NEUROENDOCRINI
ASPECIFICI SPECIFICI
I MARCATORI TUMORALI POSSONO ESSERE
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• Insulina < 15μmol/L > 100• Gastrina < 40 pmol/L > 200• Glucagone < 50 pmol/L > 250• VIP < 30 pmol/L > 150• 5-HIAA 2-8 mg/24h > 20
VALORI NORMALI CUT-OFF
MARCATORI TUMORALISPECIFICI
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INSULINOMA GASTRINOMA
MARCATORI TUMORALITEST DI STIMOLO
TEST AL DIGIUNO TEST ALLA SECRETINA
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Service F.J., N Engl J Med. 1995
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CRITERI DIAGNOSTICI
GASTRINOMA
pH gastrico < 2
Gastrina > 1000 pg/ml
GASTRINOMA
pH gastrico < 2
Gastrina = 100-1000 pg/ml
GASTRINOMA ?
TEST ALLA SECRETINA
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0
1000
500
1500
2000
2500
3000
Gas
trin
a pg
/ml
•
••
• •
850
23002450
14501350
0 2.5 5 15 30
SECRETINA 75 U e.v.
Minuti
TEST ALLA SECRETINATEST ALLA SECRETINA
POSITIVOPOSITIVO
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0
1000
500
1500
2000
2500
3000
Gas
trin
a pg
/ml
•
• • •
•
1750
0 2.5 5 15 30
SECRETINA 75 U i.v.
Minuti
1210 1150 1200
1400
TEST ALLA SECRETINATEST ALLA SECRETINA
NEGATIVONEGATIVO
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CAUSES OF HYPERGASTRINEMIA
HYPERGASTRINEMIA WITH HYPERCHLORHYDRIA
• Zollinger-Ellison syndrome sporadic
associated with
MEN 1
• Antral G-cell hyperplasia
• Excluded gastric antrum syndrome
• Gastric outlet obstruction
• Small intestinal resection
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CAUSES OF HYPERGASTRINEMIA
HYPERGASTRINEMIA WITH HYPOCHLORHYDRIA
• Chronic Atrophyc Gastritis type A1. Idiopathic2. Autoimmune pernicious anemia
other autoimmune disorders
• Antisecretory agentsH2-antagonistsH+ K - ATPase inhibitors
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TUMORI NEUROENDOCRINI
MARCATORI TUMORALI
ASPECIFICI
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MARCATORI TUMORALIASPECIFICI
ENOLASI NEURONO-SPECIFICA (NSE) GONADOTROPINA CORIONICA UMANA (HCG) α, βPOLIPEPTIDE PANCREATICO (PP)TUMOR M2-PIRUVATO KINASI (TM2-PK)CROMOGRANINA A (CgA)
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NSE SENSITIVITY AS CIRCULATION MARKERS FOR NET
NET NSE SENSITIVITY %CARCINOID 47, 38
PANCREAS ISLET CELL TUMOURS 43, 31
GASTRINOMA 44, 33
CARCINOID MIDGUT 50
SMALL CELL LUNG CARCINOMA 74, 61, 85, 62
LIMITED DISEASE 45, 77
EXTENSIVE DISEASE 68, 85
Seregni E, Q J Nucl Med 2000
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CROMOGRANINA A
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NET CAG HS
DF LD HD DD NH H
10
100
1000
1
10000
1
Distribution of Chromogranin A in 238 endocrine tumor (NET) patients, in 42 chronic atrophic gastritis subjects (CAG) and in 48 healthy subjects (HS).
• DF: disease free
• LD: local disease
• HD: hepatic disease
• DD: diffuse disease
• NH: no hyperplasia
• H: hyperplasia
Campana D., JCO; 25(15) May 2007
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Campana D., JCO; 25(15) May 2007
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RENAL FAILURELIVER FAILUREATROPHIC GASTRITISINFLAMMATORY BOWEL DISEASENEOPLASMSDRUGS (PPI)STRESSINTENSE PHYSICAL ACTIVITYPREGNANCYHYPERTENSIONPARKINSON SYNDROME
FALSE POSITIVE
CHROMOGRANIN A
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TERAPIA
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DECISIONI TERAPEUTICHE
TERAPIA CHIRURGICA
TERAPIA MEDICA
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TERAPIA CHIRURGICA
QUANDO COME
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WHO
Carcinomi endocrini ben differenziati
Tumori endocrini ben differenziati
Carcinomi endocrini scarsamente differenziati
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TNM
Malattia localmente avanzata / N1 / M1
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CHIRURGIA RADICALE / PALLIATIVA
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Gruppo 2 (32Pz) Gruppo 2 (32Pz)
Pazienti con tumore primitivo non Pazienti con tumore primitivo non resecabileresecabile
No chirurgia o chirurgia derivativa No chirurgia o chirurgia derivativa se necessariose necessario
Gruppo 1 (19Pz)Gruppo 1 (19Pz)
Pazienti con tumore primitivo Pazienti con tumore primitivo resecabileresecabile
Resezione del tumore primitivo Resezione del tumore primitivo
Bettini R. Dig Liver Dis. 2008 May 5
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TERAPIA MEDICA
ANALOGHI DELLA SOMATOSTATINA
EVEROLIMUS(RAD001)
RADIORECETTORIALE
CHEMIOTERAPIA
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WHO
Carcinomi endocrini scarsamente differenziati
CHEMIOTERAPIA
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Tumori endocrini a comportamento incerto
FOLLOW-UP
Carcinomi endocrini ben differenziati STADIO III
SST RADIORECETTORIALE
Chirurgia radicale
MANCANO EVIDENZE
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Carcinomi endocrini ben differenziati STADIO IV
SST
RADIORECETTORIALE
EVEROLIMUS
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Risposta sintomatica 67.3 – 100%
Risposta obiettiva 0 - 7%
Malattia stabile 40 – 87.5%
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Octreotide LAR aumenta in modo significativoil tempo alla progressione
Octreotide LAR vs placebo P=0.000072
HR= 0.34 [95% CI: 0.20–0.59]
Octreotide LAR: 42 patients / 26 eventsMedian 14.3 months [95% CI: 11.0–28.8]
Placebo: 43 patients / 40 eventsMedian 6.0 months [95% CI: 3.7–9.4]
Time (months)
Prop
ortio
n w
ithou
t pro
gres
sion
0
0.25
0.5
0.75
1
0 6 12 18 24 30 36 42 48 54 60 66 72 78
Based on the conservative ITT analysis
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Protein synthesis
Everolimus
PI3KRasSOSGrbP
Akt
mTORC1
eIF4E
TSC1/2
Cyclin D, p27HIF-1α
Metabolism Angiogenesis
Glut 1 VEGF, PDGF-βGrowth and proliferation
p70S6K 4EBP1
TSC1/2
Rheb
P P
IRS-1 P
IGF-1R
IGF-1
Ras/RafAblER
O2, energy, nutrients
Growth factors
Tabernero J, et al. J Clin Oncol. 2008;26:1603-10.O’Donnell A, et al. J Clin Oncol. 2008;23:1588-95.
Yao JC, et al. Ann Oncol. 2009;19: [abstract 508PD].Zitzmann K, et al. Neuroendocrinology. 2007; 85:54-60.
O’Reilly KE, et al. Cancer Res. 2006;66:1500-08.Huynh H, et al. J Cell Mol Med. 2009;13:1371-80.
Hörsch D, et al. J Clin Oncol. 2007;25:18S [abstract 1057].Image courtesy Novartis.
Octreotide LAR
Everolimus: an innovative molecular targeted therapy in NET
Oral mTOR inhibitorContinuously inhibits mTOR through once-daily oral administration Immunosuppressive drugPotent anticancer activityMultifunctional inhibitor of:
– cell growth and proliferation– cell metabolism (bioenergetics)– angiogenesis
Synergistic action with octreotide
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RAD001 5 mg/die (pts 1 30)
RAD001 10 mg/die (pts 31 60)
+
OCT LAR 30 mg q4w
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N %
Phase II study of RAD001 plus Octreotide LAR
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Response and maximal tumor shrinkage may take time to develop, with some patients experiencingcontinued tumor shrinkage more than 12 monthsafter initiation of therapy
Patients with known progression at entry had inferior median survival (31 months) compared with those known to be stable (not reached; P.02).
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Most common toxicity aphtous ulcers
Main G3-4 toxicity fatigue, diarrhea, hypophosphatemia
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RAD001 In Advanced Neuroendocrine TumorsRADIANT
RADIANT-1: Phase 2 open label study of RAD001 in advanced pancreatic neuroendocrine tumors after failure of chemotherapy (2239) - CLOSED
RADIANT-2: Phase 3 double-blind placebo-controlled study of RAD001 in pts receiving Octreotide LAR for advanced carcinoid tumors (2325) - CLOSED
RADIANT-3: Phase 3 double-blind placebo-controlled study of RAD001 in advanced pancreatic tumors (2324)-CLOSED
RAMSETE: Phase II open label of RAD001 in advanced non-functioning NET in Europe - ONGOING
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WHO TNM
TERAPIA CHIRURGICA
Radicale per guarire
Per ridurre la massa
Debulking
TERAPIA MEDICA
SST Radiorecettoriale
RAD001
STABILIZZAZIONE DI MALATTIA