Longkanker Nederland donkerblauw verdana 27 punt · Putting OS into context • 1st Gen TKIs: 22-28...
Transcript of Longkanker Nederland donkerblauw verdana 27 punt · Putting OS into context • 1st Gen TKIs: 22-28...
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dr. A.J. van der Wekken/ drs. B.I. Hiddinga
Longarts-oncoloog
Doelgerichte behandelingHoe zit het met mutaties?
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Disclosure
• Advisory board:
─ Lilly
─ Boehringer-Ingelheim
─ Pfizer
─ AstraZeneca
─ MSD
─ Roche (diagnostics)
• Grant:
─ AstraZeneca
─ Boehringer-Ingelheim
─ Pfizer
• Lectures:
─ Lilly
─ Boehringer-Ingelheim
─ Pfizer
─ AstraZeneca
─ BMS
─ Roche (diagnostics)
─ Novartis
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Inleiding
• Welke mutaties bij longkanker zijn er?
• Hoe worden deze getest?
• Welke geneesmiddelen zijn er?
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Casus 1 Dhr T 51jr
• Voorgeschiedenis:
• Hypertensie COPD
• 2014 april: bezoek SEH ivm kortademigheid: drainage pleuravocht rechts
• PA: adenocarcinoom van de long
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Thoracoscopie
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Pathologie verslag
• Biopt dorsale pariëtale pleura rechts: lokalisatie adenocarcinoom
• Mutatie analyse (UMCG): Er is een mutatie aanwezig in exon 19 van het EGFR-gen p.(E746_A750del).
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Mutaties
• Verandering in het DNA
• Punt mutatie
• Insertie
• Deletie
• Translocatie
• Duplicatie
• Etc.
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Mutaties
• Verandering in het DNA
• Punt mutatie
• Insertie
• Deletie
• Translocatie
• Duplicatie
• Etc.
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Mutaties
• Verandering in het DNA
• Punt mutatie
• Insertie
• Deletie
• Translocatie
• Duplicatie
• Etc.
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Moleculaire pathologie:alleen somatische mutaties
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Terug naar de casus
• 1e generatie
─ Erlotinib
─ Gefitinib
• 2e generatie
─ Afatinib
─ Dacomitinib
• 3e generatie
─ Osimertinib
EGFR-TKI’s
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Overall Survival
No. at risk
Afa-Osi 203 203 194 186 153 107 63 23 8 3 2
Afatinib followed
by osimertinibN=203
Events 85
Median time (mo), 90% CI41.3
(36.8-46.3)
80%
Time (months)
0 12 30 42 48 606 2418 36 54
Tre
atm
ent p
rob
abili
ty
1.0
0.8
0.6
0.4
0.2
0
42% maturity
CI = confidence interval.
Hochmair, Future oncology 2019
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FLAURA study design
Stratification by
mutation status
(Ex19del / L858R)
and race
(Asian /
non-Asian)
Crossover was allowed for patients in the
EGFR-TKI comparator arm, who could receive
open-label osimertinib upon EGFR T790M positivity
and central confirmation of progression
Patients with locally advanced or
metastatic NSCLC (N=556)
Key inclusion criteria
•≥18 years (≥20 years in Japan)
•WHO performance status 0 / 1
•Ex19del / L858R (enrollment by locala
or centralb EGFR testing)
•No prior systemic anticancer /
EGFR-TKI therapy
•Stable CNS metastases allowed
Randomized 1:1d
RECIST v1.1 assessment
every
6 weekse until objective
progressive diseaseEGFR-TKI comparatorc
Gefitinib (250 mg orally QD)
or
Erlotinib (150 mg orally QD)
(n=277)
Osimertinib
(80 mg orally QD)
(n=279)Follow-up
for post-
progression
outcomes and OS
every 6 weekse
Endpoints
• Primary endpoint: PFS based on investigator assessment (according to RECIST v1.1)
– The study had a 90% power to detect a hazard ratio of 0.71 (representing an improvement in median PFS from 10 months to 14.1 months) at a two-sided alpha-level
of 5%
• Secondary endpoints: Objective response rate, duration of response, disease control rate, depth of response, overall survival, patient-reported outcomes, safety
• Exploratory endpoint: Post-progression efficacy
FLAURA data cut-off: 12 June 2017; NCT02296125.aWith central laboratory assessment performed for sensitivity; bcobas® EGFR Mutation Test (Roche Molecular Systems); cSites to select either gefitinib or erlotinib as the sole comparator prior to site initiation; dPatients received randomized treatment until objective disease progression or as long as they were continuing to show clinical benefit , as judged by the investigator; eEvery 12 weeks after 18 months. CNS = central nervous system; EGFR = epidermal growth factor receptor; Ex19del = exon 19 deletion; NSCLC = non-small cell lung cancer; OS = overall survival; PFS = progression-free survival; RECIST v1.1 = Response Evaluation Criteria In Solid Tumors version 1.1; TKI = tyrosine kinase inhibitor; WHO = World Health Organization.1. Soria J-C et al. Article and supplementary appendix. N Engl J Med. 2018;378:113-125. 2. Planchard D et al. Presented at: European Lung Cancer Congress; 11-14 April 2018; Geneva, Switzerland. 3. OheY et al. Presented at: European Society for Medical Oncology Asia Congress; 17-19 November 2017; Singapore.
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Phase III Osimertinib vs Pt-Pemetrexedin first line EGFR TKI resistant EGFRmut NSCLC
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Putting OS into context
• 1st Gen TKIs: 22-28 months (limited osimertinib usage)1-4
• Afatinib: 32-38 months (limited osimertinib usage)5
• Dacomitinib: 34-37 months (limited osimertinib usage, excl. brain mets)6
• Osimertinib: 34-41 months7
• Afatinib – osimertinib: 36-46 months (T790M+ only)8
Combinations:
• Gefitinib + chemotherapy: 52 months (Japanese data)9
• Erlotinib + bevacizumab: 47 months (Japanese data, excl. brain mets)10
• Erlotinib + ramucirumab: immature11
1. Fukuoka et al. J Clin Oncol. 2011;29:2866; 2. Inoue et al. Ann Oncol. 2013;24:54; 3. Leon et al. Ann Oncol 2014 25(suppl_4):iv426 (poster presentation); 4. Wu et al. Ann
Oncol. 2015;26:1883; 5. Yang et al. Lancet Oncol. 2015;16:141; 6. Mok et al. J Clin Oncol. 2018;36(22):2244 (oral presentation); 7. Ramalingham et al. Presented at ESMO 2019.
Abstract LBA5_PR (oral presentation); 8. Hochmair et al. Future Oncol. 2019;15:2905; 9. Nakamura et al. J Clin Oncol. 2018;36(suppl):9005 (oral presentation); 10. Yamamoto et
al. J Clin Oncol. 2018; 36(suppl): 9007 (oral presentation); 11. Nakagawa et al. J Clin Oncol. 2019;37(suppl):9000 (oral presentation).
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Mutatieanalyse
• AKT
• ALK
• AMELY
• BRAF
• EGFR
• ERBB2
• ESR1
• GNA11
• GNAQ
• GNAS
• H3F3A
• H3F3B
• HRAS
• IDH1
• IDH2
• JAK2
• KIT
• KRAS
• MAP2K1
• MET
• NRAS
• PDGFRA
• PIK3CA
• POLE
• ROS1
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Translocaties
• ALK
• ROS1
• RET
• NTRK
• MET
• NRG1
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ALK
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Beste volgorde van TKI’s bij ALK
Adapted from De Langen AJ. Translational Cancer Research 2017. * Nog niet geregistreerd door de EMA
Crizotinib (10.9 mo)
Crizotinib (10.9 mo)
Crizotinib 10.9 (mo)
Ceritinib (5.4 mo)
Alectinib (8.5 mo)
Brigatinib (12.9 mo)
Alectinib (not yet reached)
Ceritinib (16.6 mo)
Chemotherapy, radiotherapy, surgery, (immunotherapy)
entrectinib*, ensartinib*
Brigatinib (not yet reached)
Lorlatinib 12.5 (mo)
Lorlatinib 12.5 (mo)
Lorlatinib 12.5 (mo)
Lorlatinib 12.5 (mo)
Lorlatinib 12.5 (mo)
Lorlatinib 12.5 (mo)
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ROS1
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First data of repotrectinib (TPX0005)
Drilon, Cancer Discov 2018/WCLC 2018
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NTRK
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A Drilon et al. N Engl J Med 2018;378:731-739.
Efficacy of larotrectinib in NTRK fusions
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MET
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RET
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NRG1
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Gay et al. J Thorac Oncol 2017 12, e107-e110DOI: (10.1016/j.jtho.2017.04.025).
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Moleculaire tumor board
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Moleculaire tumor board (MTB)Opgericht oktober 2014
Aanbeveling:
• Klinische trial
• Off-label behandeling
• Standaard therapie
Moleculaire uitslag
samen met:
• Klinische gegevens
• PA verslag
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Welke behandeling is mogelijk?
Chua B, AMSJ.org
gefitinib of erlotinib
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Chua B, AMSJ.org
osimertinib
Welke behandeling is mogelijk?
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Centra zeldzame mutaties
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Take home message
• Bij longcarcinoom anders dan plaveiselceltype
─ >> mutatieanalyse: EGFR, BRAF, KRAS, HER2
─ >> translocatieanalyse: ALK, ROS1, RET, MET, NTRK, NRG1
• Bij zeldzame mutaties behandeling in centra; daar zijn ook de studies te vinden.
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cancercenter.umcg.nl
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