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The role of cytoreductive nephrectomy for mRCC in 2020 · TB pleuritis . No meds • Presents with...
Transcript of The role of cytoreductive nephrectomy for mRCC in 2020 · TB pleuritis . No meds • Presents with...
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The role of cytoreductive nephrectomy for mRCC in 2020
Maarten Albersen Dept. of Urology UZ Leuvenwith assistance of: Eduard Roussel Alessandro Larcher
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CASE Male, 55 YOMedical history: 2002 pneumonia & TB pleuritis No meds
• Presents with macroscopichematuria / cloth retention in 04/2019 > large tumor Rt kidneywith Mayo level 1 thrombus.
• Embolisation same night.• Free of symptoms.• CT thorax: multiple pulmonary and
pleural mets, bilateral.• IMDC: (before bleeding: 0 risk
factors)• What would be your advice on
MDT?
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CASE 1. AS2. CN + AS3. Nivolumab (+- deferred CN)4. Nivolumab + Ipilimumab (+- deferred CN)5. Sunitinib (+- deferred CN)6. Axitinib + Pembrolizumab(+- deferred CN)
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What is cytoreductive nephrectomy?Non-curative nephrectomy in mRCC with the goal of decreasing total tumorload.• Often + abdominal metastasectomy/LND• Upfront or delayed.• Goals:
• Tumor self-seeding principle: volume reduction• “abscopal effect” in 2% with metastatic reduction (due to relief of
immune-surpressive effects of primary: immunologic sink)• Better response with systemic therapy• Palliation (symptoms/paraneoplastic s)
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Setting: mRCC
IMDC-Heng criteria Diagnosis-systemic therapy < 1 yearPS <80%Hemoglobin < LLNCalcium > ULNNeutrophils > ULNPlatelets > ULN
0 points: favorable OS = 20 months1 or 2 points = intermediate OS = 10 months>2 points = high risk = 4 months
0 points: favorable OS = 43,2 months1 or 2 points = intermediate OS = 22,5 months>2 points = high risk = 7,8 months
Heng J Clin Oncol 2009Motzer J Clin Oncol 2002
MSKCC-Motzer criteria Diagnosis-systemic therapy < 1 yearPS <80%Hemoglobin < LLNCalcium > ULNLDH > 1.5x ULN
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Historical perspective: IFN era
Flanigan et al. NEJM 2001Mickisch et al. Lancet 2001> Flanigan et al. J Urol 2004
Prospective RCTLow metastatic loadPS: ECOG 0
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TKI era
RetrospectiveInherent selection bias with CN
Choueiri et al. J Urol 2011Heng et al. Eur Urol 2014Hanna et al. JCO 2016
Choueiri 2011 Heng 2014 Hanna 2016
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TKI eraOnly CN for patients with
life expectancy >12 months Max 3 IMDC criteria
Heng et al. Eur Urol 2014
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EAU guidelines 2018
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CARMENA
Primary endpoint: OSDesign: non inferiority (HR OS <1.20)N (powercalc): 576PI: Arnaud Méjean
Key eligibility CriteriamCCRCC Tx naiveMSKCC int/poor riskECOG PS 0-1
Randomization 1:1
N=450CN
Sunitinib50 mg QD 4/2
Subitinib50 mg QD 4/2
CNStratificationMSKCC risk groups
Centre
3-6 weeks
Stable disease: 18%
Mejean et al - NEJM 2018
N=226
N=224
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CARMENA
Mejean et al - NEJM 2018
Major adverse events in favour of CN + Sunitinib (net reduction -10%, p=0.04)
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CARMENA: limitations
Mejean et al - NEJM 2018 / Stewart et al. Eur Urol – 2017 / Motzer NEJM 2018 / Chouieri JCO 2017
Population at high risk:Survival rates poorer than expected (14-18 mos vs 21.8-26 mos in Motzer & Chouieri. 43% poor-risk
Slow accrual: • N= 450/576, accrual 0.7 pts/site/yr• Need to open UK centres: after accrual open in 26
sites around UK, only 14 patients were enrolled• Ideal patients for CN did not consent, underwent CN
outside of study, exlucions at investigators discretion
Sunitinib arm: 11/224 (5%) did not recieve Sunitinib38/213 (18%) underwent CN (median 11 months)
CN+ Sunitinib arm40/226 (18%) did not receive sunitinib16/186 (9%) did not receive CN
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CARMENA: is this the patient we would typically do CN on?
Arora et al. Eur Urol - 2018
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5 - 18 months survivaladvantage followingCN
Larcher et al - Eur Urol Oncol 2019
No survival advantageCARMENA
retrospective
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Bhindi et al - Eur Urol 2019
CARMENA in current literature
ccRCC
nccRCC
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CARMENA: subanalyses: delayed CN (OS)
Mejean et al ASCO 2019
48.5 mo15.7 mo
Response as a Litmus test
SURTIME
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SURTIME
Primary endpoint: PFS ITT (sec:OS)N (powercalc): 458PI: Axel BexSponsor: EORTC
Key eligibility CriteriamCCRCC Tx naiveECOG PS 0-1
Randomization 1:1
N=99CN
Sunitinib50 mg QD 4/2
3 cycles
Subitinib50 mg QD 4/2
CN Sunitinib50 mg QD 4/2
Not eligble for CN due to progression: 29%
N=50
N=49
Bex et al. Jama Oncology 2018
StratificationWHO performance status
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SURTIME
Bex et al. Jama Oncology 2018
Patients who:
Progress under TKIDo not benefit from CN
Safety: no increase of peri-operative outcomes in deferred CN
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Safety of CN: YAU and Leuven cohorts
Neurologic: 3,4%
Wound/Skin: 3,4%
Gastrointestinal: 9,3%
Cardiopulmonary: 4,7%
Vascular/Lymphatic: 16,3%
Infectious/Metabolic: 17,4%
Postoperative complications CDC (1-5): 42%• High-grade postoperative complications CDC (3-5): 2,3%• Surgery-related mortality: 0%
Predictors for High-grade postoperative morbidity• Estimated intraoperative blood loss: HR 2.93 (1.20-7.15)
• CN case load: HR 0.13 (0.03-0.59)
Neurologic: 1,0%
Wound/Skin: 1,8%
Gastrointestinal: 4,5%
Cardiopulmonary: 5,3%
Vascular/Lymphatic: 9,1%
Infectious/Metabolic: 8,8%
Postoperative complications CDC (1-5): 29,5%• High-grade postoperative complications CDC (3-5): 6,1%• Surgery-related mortality: 1,4%
YAU (n=736) Leuven (n=86)
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CARMENA: subanalyses: 1 IMDC risk factor
Mejean et al ASCO 2019
Median OS (months) ARM A: CN + Sunitinib (n=127)
ARM B: Sunitinib alone (n=139)
HR (95% CI) P-value
IMDC 1 risk factor 31.4 (17.3-45.5) 25.2 (19.6-35.4) 1.29 (0.85-1.98) 0.232
IMDC 2 risk factors 17.6 (13.7-21.5) 31.2 (20.5-40.4) 0.63 (0.44-0.97) 0.033
HR (95% CI) 1.68 (1.10-2.57) 0.88 (0.59-1.30)
P-value 0.015 0.515
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UZ Leuven experience (E. Roussel & A. Verbiest)
CARMENA TKI (26)CARMENA CN-TKI (44)
TOO GOOD FOR CARMENACN+AS (49)
CARMENA practice changing: intermediate/poor risk with need for immediate TKI
There is still a population likely benefitting from CN
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UZ Leuven experience (E. Roussel & A. Verbiest)
Patients with:
Lung only metsSingle site metsOligometastasis<3 IMDC criteria
May still benefit from CN
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However, all these numbers are OUTDATED (2020)
New backbone in all risk groups:(TKI+) IO
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IMDC analysis on CN in IO era (ASCO-GU20)inverse probability treatment weighted propensity scored analysis
Which patients got CN in IO era?
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IMDC analysis on CN in IO era (ASCO-GU20)inverse probability treatment weighted propensity scored analysis
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IMDC analysis on CN in IO era (ASCO-GU20)inverse probability treatment weighted propensity scored analysis
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Perspective:
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SummaryYES, the role of CN has drastically changed after CARMENA• No more upfront CN in intermediate (2 IMDC) and poor risk patients.• Deferred CN has become a valid option with response as litmus test.
Upfront CN still is recommended• In symptomatic patients• In IMDC 0-1 favourable/intermediate risk• In oligometastatic patients• In patients in which all tumor can be surgically resected• Probably in the same population combined with IO/IO-TKI
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CASE Male, 56 YOMedical history: 2002 pneumonia & TB pleuritis No meds
10 months post-CN:Regression of lung mets (CR)
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2 factors 1 factor
Response
Primary mCCRCC
MDT
Not immediately requiring IO/TKI
Oligometastasis
CN
AS Metastasis directed Tx
Progressive disease
Axi-Pembro
Ipi-Nivo / Axi-Pembro CN
IMDC poor IMDC intermediate
Deferred CN
IMDC intermediate / poor
IMDC favorable
Requiring and eligible for IO/TKI
Adapted from: Kuusk et al. Ther Adv Med Oncol 2019
Take home: