esmo preceptorship on advanced non resectable ...€¦ · esmo preceptorship on advanced non...
TRANSCRIPT
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ESMO PRECEPTORSHIP ON ADVANCED NON RESECTABLEHEPATOCELLULAR CARCINOMA,BILIARY AND PANCREATIC CANCER
1st line treatment in advanced BTCs and the continuum
of care
Konstantinos Kamposioras, FRCP, PhD
Department of Medical Oncology
The Christie NHS Foundation Trust
Manchester, UK
Paris, 06/12/2019
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DISCLOSURES
No conflicts of interest
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OVERVIEW
❖ Introduction
❖ Diagnostic Challenges
❖ 1st line Chemotherapy
❖ 2nd line Chemotherapy
❖ Future Perspectives
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BTCs are a group of different diseases which includes iCCA, eCCA,
and gallbladder cancer.
Valle et al. Cancer Discov 2017, Lamarca Current Med Chem 2018
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BTCS – EPIDEMIOLOGY
Rare cancers
◆ Incidence: <6/100,000
Incidence increasing
◆ iCCA
Poor prognosis
◆ 5 year OS (<20%)
◆ Late diagnosis
◆ 70% advanced stages
◆ High relapse rate
Bañales Nat Rev G&H 2018; DeOliveira ML Ann Surg 2007; Valle JW Ann Oncol 2016
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DIAGNOSTIC CHALLENGES
❖ Delayed Diagnosis
❖ Non-specific symptoms
❖ Jaundice/biliary obstruction may present in already advanced stage
(common in eCCA)
❖ No adequate screening - population at risk poorly defined
Forner et al Liver International 2019
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DIAGNOSTIC CHALLENGES
➢ eCCA vs. ampulla vs. head of
pancreas (distal)
➢ iCCA vs. HCC vs. CUP
- Initial arterial rim enhancement
followed by centripetal enhancement
- capsular retraction
- Carcinoma of unknown primary
misdiagnosis (21%)
Forner et al Liver International 2019; Hainsworth et al J Clinic Oncolo 2013
Differential Diagnosis
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DIAGNOSTIC CHALLENGES
HCC: 90% of primary liver cancer
(underlying cirrhosis)
iCCA: 10% (mainly non-cirrhotic liver)
But, Cirrhotic patients may develop iCCA
(may display a vascular pattern similar to
HCC) - Biopsy needed
Combined HCC/CCA rare but it does exist
(1.3%)
Forner et al Liver International 2019; Lleo et al her Adv Med Oncol. 2019; Connell et al Chin Clin Oncol 2016; Moeini et al Clin Cancer Res.2016
Differential Diagnosis
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MANAGEMENT OF BTCS
ESMO GUIDELINES
Valle et al Ann Oncol 2016
Level of
recommendation now
I,A
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LOCALLY-ADVANCED-BTC: INITIAL CONSIDERATIONS
Limited evidence on best approach from large trials
Chemotherapy similar to metastatic disease
• RFA/MWA is feasible for small metastases
Liver-directed strategies
◆ Chemo-embolisation: small studies
Transarterial chemoembolisation (TACE) with
drug-eluting beads (DEB) or with Gem/Ox:
feasible with some activity
◆ Liver radio-embolisation with Y-90 particles
(SIRCCA trial)RFA: Radiofrequency Ablation; MWA: Microwave Ablation
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Liver-directed therapies
Lack of RCTsProspective trials needed
Labib 3t al. Hepat. Oncol. 2017
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ADVANCED-BTC: INITIAL CONSIDERATIONS
Surgery limited role; Chemotherapy-based management◆ Limited benefit with limited response rate (20%)
◆ Expected median OS◆ BSC: 2.5 - 4.5 months
◆ Chemotherapy: 12 months
◆ Around 15% fit for second-line chemotherapy ◆ Rapid clinical deterioration
• Discussion in multidisciplinary team: liver-directed therapies
Biliary obstruction can recur despite adequate stenting◆ Median time to stent-related event 4.4 months (include PDAC patients)
◆ Increased risk if plastic stent in situ: secure metal stent before initiation of chemotherapy
Valle Annals of Oncol 2016; Glimelius Annals of Oncol 1996; Sharma JCO 2010; Valle NEJM 2010; Lamarca WJG 2016; Bridgewater EJC 2013
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FIRST LINE TREATMENT-CHT
Best Supportive Care (no chemo)
• Median OS 2.5 - 4.5 months 1,2
Cisplatin & gemcitabine (CisGem) improves survival (over
Gem alone)
1 Glimelius 1996 Ann Oncol, 2 Sharma 2010 J Clin Oncol, 3 Valle 2010 New Eng J Med, 4 Okusaka 2010 Br J Cancer, 5 Valle 2014 Ann Oncol
Gemcitabine alone5
Cisplatin + gemcitabine5
Hazard ratio = 0.65 95% CI 0.54–0.78P < 0.001
Months
% o
f p
atie
nts
al
ive
STUDY
PFS (months) OS (months)
Gem CisGem Gem CisGem
ABC-023 5.0 8.0 8.1 11.7
BT-224 3.7 5.8 7.7 11.2
Meta-analysis5 6.7 8.8 8.0 11.6
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FIRST LINE TREATMENT-CHT
DFS
Valle 2014 Ann Oncol
OS
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First Line Treatment-QoL
Bridgewater et al Br J Cancer 2016
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Intrahepatic cholangioCa (iCCA)- Seem to have a better prognosis
– 50% liver-predominant disease (better prognosis)
Lamarca JNCI 2019
Subgroup analysis ABC-01/02/03
FIRST LINE TREATMENT - FAVOURABLE SUBGROUP
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FIRST LINE TREATMENT – WHAT’S NEW?
Sakai et al. Annals Of Oncol 2018 Abstr# 1405
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First Line Treatment - ChT
Diarrhea, stomatitis, sensory neuropathy and rash statistically more frequent in GCS arm (p<0.05)
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FIRST LINE CHT-WHAT ELSE?
Phase 3 SWOG 1815: Recruiting
Gemcitabine,Cisplatin
Q3W
Gemcitabine,Cisplatin,
Nab-Paclitaxel
Q3W
Primary endpoint
OS
Secondary endpoints
PFS, ORR, DCR, safety,
Ca199 response
Key inclusion criteria
• Untreated locally advanced,
metastatic BTC
• ECOG PS: 0-1
N=268
Random
ized
2:1
OS:overall survival; PFS: progression-free survival; ORR:overall response rate; DCR: Disease control Rate
clinicaltrials.gov NCT03768414 Accessed 23/11/2019
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First Line Treatment-Biological Agents
1 Malka 2014 Lancet Oncol, 2 Chen 2013 J Clin Oncol, 3 Lee 2012 Lancet Oncol, 4 Leone 2015 Cancer , 5 Moehler Eur J Cancer 2014, 6 Valle et al Lancet Oncol 2015 7Valle 2010 NEJM
RR
(%)
Median PFS
(months)
Median OS
(months)
Study Regimens PhaseChemo
alone
With
biological
Chemo
alone
With
biological
Chemo
alone
With
biological
Malka1 GemOx +/- cetuximab 2 23 23 5.5 6.1 12.4 11.0
Chen2 GemOx +/- cetuximab 2 15 27 4 7.1 8.8 10.3
Lee3 GemOx +/- erlotinib 3 16 30 4.2 5.8 9.5 9.5
Leone4 Gem/Ox +/- panitumumab 2 18 27 4.4 5.3 10.2 9.9
Moehler5 Gemcitabine +/- sorafenib 2 10 14 4.9 3 11.2 8.4
Valle6 CisGem +/- cediranib 2 19 44* 7.4 8 11.9 14.1
ABC-027 CisGem (for reference) 26 8.0 11.7
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Understanding the molecular biology
Nakamura et al. Nature Genetics 2015; 1Ross (ASCO GI) J Clin Oncol 33, 2015
• Multiple pathways investigated
• Variability of mutations across BTCs
• Most promising data: IDH and FGFR (iCCA)
First Line Treatment-What Next?
Intrahepatic cholangiocarcinoma CCA has a different profile to extrahepatic CCA or GBC
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First Line Treatment-What Next?
Rizvi et al. Nat Rev Clin Oncol. 2018
Understanding the molecular biology
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First Line Treatment-What Next?
◆ A Phase 3, Open-Label, Randomized, Active-Controlled, Multicenter Study to Evaluate the Efficacy and Safety of
Pemigatinib Versus Gemcitabine Plus Cisplatin Chemotherapy in First-Line Treatment of Participants With
Unresectable or Metastatic Cholangiocarcinoma With FGFR2 Rearrangement (FIGHT-302)
Gemcitabine,Cisplatin
Q3W
Pemigatinib 13.5mg QD,
Continuous dosing
Primary endpoint
PFS
Secondary endpoints
OS, ORR, DOR, DCR
TEAEs. QoL
Key inclusion criteria
• Patient with unresectable/metastatic
CCA with FGFR2 rearrangement
N=432
Random
ized
1:1
OS:overall survival; PFS: progression-free survival; ORR:overall response rate; DOR: Duration of response; DCR: Disease control Rate; TEAEs; Number of treatment-emergent adverse events
clinicaltrials.gov NCT03656536 Accessed 23/11/2019
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First Line Treatment-What Next?
◆ A Phase 3 Multicenter, Open-Label, Randomized, Controlled Study of Oral Infigratinib Versus Gemcitabine With
Cisplatin in Subjects With Advanced/Metastatic or Inoperable Cholangiocarcinoma With FGFR2 Gene
Fusions/Translocations: The PROOF Trial
Gemcitabine,Cisplatin
Q3W
Infigratinib 125 mg OD; 3
weeks on, 1 week off.
Primary endpoint
PFS; independent
assessment
Secondary endpoints
OS, PFS investigator
assessment
Key inclusion criteria
• Patient with unresectable/metastatic
CCA with FGFR2 gene fusions/
translocationst
N=350
Random
ized
1:1
OS:overall survival; PFS: progression-free survival; ORR:overall response rate; DOR: Duration of response; DCR: Disease control Rate; TEAEs; Number of treatment-emergent adverse events
clinicaltrials.gov NCT03773302 Accessed 23/11/2019
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SECOND-LINE TREATMENT
CHALLENGING SCENARIO FOR CLINICAL TRIALS
Second-line chemotherapy has been used historically based on retrospective and small phase II
evidence
Due to aggressive behaviour of CCA, few patients are considered to be fit enough for second-
line chemotherapy after progression to first-line (approx. 15%)
Good HPB medicine is still of relevance in this setting
◆ Active symptoms control: early detection and management of biliary tract obstruction and
cancer-related symptoms
◆ Pro-active medical management
Bridgewatter EJC 2013
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SECOND LINE TREATMENT
Till Recently - No standard of care in second-line treatment
Lamarca Annals of Oncol 2014
➢ 25 studies (14 phase II), 761 patients
➢ Variety of schedules tested with limited benefit
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Precision Medicine in BTCs
Verlingue Eur J Cancer 2017
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*determined from first-line CisGem: sensitive (progression after three months (90 days) of day 1 of the last cycle of 1st-line CisGem), refractory (progression during 1st line CisGem), resistant (progression within the first three months (90 days) after completion of day 1 of the last cycle of 1st line CisGem)
Inclusion criteria• Histo/cytologically verified
advanced BTC
• ECOG performance score 0-1
• Progression after 1st-line CisGem
• Max 6 weeks progression to randomisation
• Adequate haematological, renal & hepatic function
ABC-06: Phase III, randomised, open-label clinical trial
Platinum sensitivity (yes vs. no; determined from first-line CisGem*)Serum albumin (<35 vs. ≥35 g/L)Stage (locally advanced vs. metastatic disease)
Stratification factors
1:1
R
Arm A: Active Symptom Control (ASC)• May include: biliary drainage, antibiotics,
analgesia, steroids, anti-emetics etc• 4-weekly clinical review
Arm B: Active Symptom Control + mFOLFOX• Chemotherapy every 14 days for up to 12 cycles• Day 1: Oxaliplatin 85mg/m2, L-folinic acid 175
mg (or folinic acid 350 mg), 5 FU 400 mg/m2
(bolus), 5 FU 2400 mg/m2 46 hours continuous infusion
• 4-weekly clinical review after chemotherapy • 3-monthly radiological assessment
Follow up
• Primary end-point: Overall Survival (OS)
(ITT, adjusted for stratification factors)
• Secondary end-points: PFS, response rate, QoL, HealthEcon
Second-line – FOLFOX (ABC-06)
Lamarca ASCO 2019
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29
Second-line – FOLFOX (ABC-06)
Enro
llme
nt
Allo
cati
on
Follo
w-u
pA
nal
ysis
Excluded (n=24)• Ineligible (n=21)•Withdrew consent (n=2)•Patient died (n=1)
Analysed (n=81)Intention-to-treat analysis
Randomised (n=162)
Consented (n=186)
Excluded (n=104)•Declined (n=52)• Ineligible (n=38)•Patient died (n=5)•Not specified (n=9)
Assessed for eligibility (n=290)
Lost to follow-up (patient decision) n=2; lost to follow-up with <3 months of follow-up
Lost to follow-up (patient uncontactable) n=1; lost to follow-up after 13.3 months
Allocated to Arm B (n=81)• Received allocated intervention (n=75)
; =1 cycle (n=9)• No chemotherapy (n=6)
Allocated to Arm A (n=81)• Received off-study
chemotherapy (n=9)
Analysed (n=81)Intention-to-treat analysis
◆ Baseline characteristics
were balanced between
treatment arms except
platinum sensitivity
◆ CCA: 70% (Arm A) and
74% (Arm B)
◆ Molecular profiling was not
routinely available for
patients
Lamarca ASCO 2019
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% o
f p
atie
nts
aliv
e
100
Months from randomisation0
80
60
40
20
0
12 15 18 21 24 27 30
Number at riskASC alone
ASC + mFOLFOX
3 6 9
8181
6664
2841
1429
921
79
56
34
13
12
10
Arm A (ASC alone)
Arm B (ASC +
mFOLFOX)
Adjusted* HazardRatio
0.69 (95% CI 0.50-0.97) p=0.031
Overall survival by trial arm
Second-line – FOLFOX (ABC-06)
Primary end-point: Overall Survival (ITT)
FOLFOX improved OS after progression to CisGemwith:
• A clinically meaningful reduction in risk of death (HR 0.69 (95% CI 0.50-0.97; p=0.031)
*adjusted for platinum sensitivity, albumin and stageLamarca ASCO 2019
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31
% o
f p
atie
nts
aliv
e
100
Months from randomisation0
80
60
40
20
0
12 15 18 21 24 27 30
Number at riskASC alone
ASC + mFOLFOX
3 6 9
8181
6664
2841
1429
921
79
56
34
13
12
10
Arm A (ASC alone)
Arm B (ASC +
mFOLFOX)
Adjusted* HazardRatio
0.69 (95% CI 0.50-0.97) p=0.031
Median OS 5.3 months 6.2 months
Overall survival by trial arm
Lamarca ASCO 2019 *adjusted for platinum sensitivity, albumin and stage
FOLFOX improved OS after progression to CisGemwith:
• A clinically meaningful reduction in risk of death (HR 0.69 (95% CI 0.50-0.97; p=0.031)
• Survival with active symptom control was greater than anticipated (5.3 vs 4 months)
Primary end-point: Overall Survival (ITT)
Second-line – FOLFOX (ABC-06)
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% o
f p
atie
nts
aliv
e
100
Months from randomisation0
80
60
40
20
0
12 15 18 21 24 27 30
Number at riskASC alone
ASC + mFOLFOX
3 6 9
8181
6664
2841
1429
921
79
56
34
13
12
10
Arm A (ASC alone)
Arm B (ASC +
mFOLFOX)
Adjusted* HazardRatio
0.69 (95% CI 0.50-0.97) p=0.031
Median OS 5.3 months 6.2 months
6-month survival-rate 35.5% 50.6%
Overall survival by trial arm
*adjusted for platinum sensitivity, albumin and stage
FOLFOX improved OS after progression to CisGemwith:
• A clinically meaningful reduction in risk of death (HR 0.69 (95% CI 0.50-0.97; p=0.031)
• Survival with active symptom control was greater than anticipated (5.3 vs 4 months)
• A clinically meaningful increase on OS rate :
• at 6 months (+15%)
Second-line – FOLFOX (ABC-06)
Primary end-point: Overall Survival (ITT)
Lamarca ASCO 2019
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% o
f p
atie
nts
aliv
e
100
Months from randomisation0
80
60
40
20
0
12 15 18 21 24 27 30
Number at riskASC alone
ASC + mFOLFOX
3 6 9
8181
6664
2841
1429
921
79
56
34
13
12
10
Arm A (ASC alone)
Arm B (ASC +
mFOLFOX)
Adjusted* HazardRatio
0.69 (95% CI 0.50-0.97) p=0.031
Median OS 5.3 months 6.2 months
6-month survival-rate 35.5% 50.6%
12-month survival-rate
11.4% 25.9%
Overall survival by trial arm
*adjusted for platinum sensitivity, albumin and stage
FOLFOX improved OS after progression to CisGemwith:
• A clinically meaningful reduction in risk of death (HR 0.69 (95% CI 0.50-0.97; p=0.031)
• Survival with active symptom control was greater than anticipated (5.3 vs 4 months)
• A clinically meaningful increase on OS rate :
• at 6 months (+15%)
• at 12 months (+15%)
Primary end-point: Overall Survival (ITT)
Second-line – FOLFOX (ABC-06)
Lamarca ASCO 2019
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% o
f p
atie
nts
aliv
e
100
Months from randomisation0
80
60
40
20
0
12 15 18 21 24 27 30
Number at riskASC alone
ASC + mFOLFOX
3 6 9
8181
6664
2841
1429
921
79
56
34
13
12
10
Arm A (ASC alone)
Arm B (ASC +
mFOLFOX)
Adjusted* HazardRatio
0.69 (95% CI 0.50-0.97) p=0.031
Median OS 5.3 months 6.2 months
6-month survival-rate 35.5% 50.6%
12-month survival-rate
11.4% 25.9%
Overall survival by trial arm
Second-line – FOLFOX (ABC-06)Primary end-point: Overall Survival (ITT)
*adjusted for platinum sensitivity, albumin and stage
FOLFOX improved OS after progression to CisGemwith:
• A clinically meaningful reduction in risk of death (HR 0.69 (95% CI 0.50-0.97; p=0.031)
• Survival with active symptom control was greater than anticipated (5.3 vs 4 months)
• A clinically meaningful increase on OS rate :
• at 6 months (+15%)
• at 12 months (+15%)
FOLFOX + ASC new standard of care
Lamarca ASCO 2019
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Exploratory subgroup analysis
The benefit of chemotherapy was
consistent across the exploratory subgroups
Subgroups with poorer prognosis seemed to
benefit the most from mFOLFOX
◆ Platinum resistant/refractory
◆ Low albumin
◆ Metastatic disease
*HRs are adjusted for platinum sensitivity, albumin and stage
Second-line – FOLFOX (ABC-06)
Lamarca ASCO 2019
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Impact of platinum-sensitivity (subgroup analysis)
• Trend towards better OS for patients with platinum sensitive disease [HR 0.71 (95% CI 0.49-1.001); p-value 0.050; adjusted for trial arm, albumin and stage in the whole population]
• The effect of mFOLFOX was apparent in both platinum sensitive and refractory/resistant patients
27 21 15 12 11 5 3 2 1 1 0ASC + mFOLFOX34 30 15 7 6 5 4 3 1 1 1ASC alone
Number at risk
0 3 6 9 12 15 18 21 24 27 30
Months from randomisation
54 43 26 17 10 4 3 2 2 1 0ASC + mFOLFOX47 36 13 7 3 2 1 0 0 0 0ASC alone
Number at risk
0
20
40
60
80
100
% o
f p
atie
nts
aliv
e
0
20
40
60
80
100
% o
f p
atie
nts
aliv
e
0 3 6 9 12 15 18 21 24 27 30
Months from randomisation
Platinum resistant/ refractory casesPlatinum sensitive casesArm A
(ASC alone)
Arm B (ASC +
mFOLFOX)
Hazard ratio* 0.81 (95% CI 0.47-1.4)
Median OS 5.7 months
(95% CI 3.9-7.0)6.6 months
(95% CI 3.5-14.6)
Arm A (ASC alone)
Arm B (ASC +
mFOLFOX)
Hazard ratio* 0.63 (95% CI 0.41-0.96)
Median OS 4.8 months
(95% CI 3.9-5.7)5.8 months
(95% CI 5.1-7.6)
Second-line – FOLFOX (ABC-06)
*adjusted for platinum sensitivity, albumin and stageLamarca ASCO 2019
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Lamarca Cancer Treat Rev 2018
(ABC-06)
MANAGEMENT OVERVIEW – THE CONTINUUM OF CARE
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➢ Diagnosis of BTCs can be challenging
➢ Different clinical and molecular subgroups identified with potentially prognostic/predictive implications
➢ Well established first line chemotherapy with minimal improvement over the last decades
➢ Second-line chemotherapy with FOLFOX has confirmed OS benefit in the second-line setting
➢ Good HPB medicine remains of huge relevance
➢ Targeted treatments seem promising; trials on 1st line setting are awaited
TAKE HOME MESSAGES