allo stem cell transplantation in relapsed and …...type and the intensity of the conditioning...
TRANSCRIPT
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1
Mantle cell lymphoma Allo stem cell transplantation in relapsed
and refractory patients
Olivier Hermine MD, PhD
Department of Hematology
INSERM and CNRS, Imagine Institute
Necker Hospital
Paris, France
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p=0.0382 (one sided sequential test)
Hazard Ratio 0.68
European MCL Network MCL Younger Trial
O Hermine, ASH 2010 1) When is an alloSCT justified for MCL?
R-DHAP +AutoSCT
R-CHOP +AutoSCT
CHT alone
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Outcome after autoSCT failure
0 20 40 60 80 100 120
0
20
40
60
80
100
Time (months)
Surv
ival
pro
bab
ility
(%
)
Time (months after Relapse)
EBMT Registry Analysis, Ann. Onc. 2014, S. Dietrich
360 patients with relapse after autoSCT
Median observation time 40 months
Median OS after relapse:19 months (rage: 0.4 to 117)
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0 20 40 60 80 100 120
0
20
40
60
80
100
Time (months)
Surv
ival
pro
bab
ility
(%
)
Prognostic factors after autoSCT failure
OS by remission duration after autoSCT
P < 0.0001 HR 0.25
> 12 months
< 12 months
< 12 months
> 12 months
120 (33%)
240 (67%)
Time (months after Relapse)
EBMT Registry Analysis, Ann. Onc. 2014, S. Dietrich
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0 20 40 60 80 100 120
0
20
40
60
80
100
Time (months)
Surv
ival
pro
bab
ility
(%
)
Prognostic factors after autoSCT failure
OS by remission duration after autoSCT
P < 0.0001 HR 0.25
> 12 months
< 12 months
< 12 months
> 12 months
120 (33%)
240 (67%)
Time (months after Relapse)
EBMT Registry Analysis, Ann. Onc. 2014, S. Dietrich
* Low sMIPI >5y / in high sMIPI (>>1/2 cases) 0.9y
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Relapses and Allo SCT
• In relapse, allo SCT is the only curative procedure • However, allo SCT is associated to a significant
NRM and new targeted therapies may improve prognosis and may induce long term response/cure
• Allo SCT in relapse – Which patients ? – Which treatment to bridge to AlloSCT ? – Which conditionning regimen ? – Which type of graft ? – Which follow up ?
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Tam et al. Blood 113:4144 (2009)
Mature results of MDACC MCL transplants: OS
Allo vs Auto at relapse
Auto salvage
(36)
allo salvage
(35)
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MCL: AlloSCT for autoSCT failure
HD/KI/HH 1994-2008 (52 REL after 119
autotransplants)
Overall survival
Dietrich et al, Cancer May 1, 2011
0 50 100 150
100
80
60
40
20
0
Time (months from relapse)
Su
rviv
al p
rob
ab
ility
(%
)
p=0.059 HR 0.49 95% CI 0.24 to 1.02
No allo (32)
allo (20)
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Mantle Cell Lymphoma Relapse
Michael L. Wang, JCO 2016
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Lymphoma Registry: Allo-SCT adults 18-50 yo
0%
5%
10%
15%
20%
25%
30%
35%
100d NRM 6 m NRM 12 m NRM
1994-1998 1999-2003 2004-2008 2009-2013
NRM (%) by period
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Lymphoma Registry: Allo-SCT adults 51-70 yo
0%
5%
10%
15%
20%
25%
100d NRM 6 m NRM 12 m NRM
1999-2003 2004-2008 2009-2013
NRM (%) by period
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Mantle Cell Lymphoma: Relapse
Michael L. Wang, JCO 2016
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0 20 40 60 80 100 120
0
20
40
60
80
100
Time (months)
Surv
ival pro
babili
ty (
%)
SD/PD PR
CR
P < 0.0001
OS by response to 1st salvage therapy
Time (months after Relapse)
EBMT Registry Analysis; ASH 2012, S. Dietrich
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Chemotherapy salvage strategies
No standard/ participation in clinical trials
The salvage regimen used depends upon:
- patient comorbidities
- side effect profile of the selected regimen
- prior therapies
- clinical situation
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CR
PR
44%
8%
48%
CR
PR
41%
Refractory Refractory
31%
27%
CR 31%
PR 27%
Refractory 42%
CR 48%
PR 44%
Refractory 8%
Before 1st autoSCT Salvage after autoSCT-relapse
Response to salvage
chemotherapy
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Chemotherapy
Aracytine
Bendamustine combination
Anthracyclins/alkylating agents
Novel drugs alone or in combinations
PI3K inhibitors
Temsirolimus
Ibrutinib
Lenalidomide
Bortezomib
Venetoclax
Treatment options for relapsed MCL
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48
Mantle cell lymphoma
R-BAC
Visco, JCO 2013
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BTK inhibitor Ibrutinib
Duration of response
median 26.7-month follow-up
KLINIKUM DER UNIVERSITÄT MÜNCHEN®
MEDIZINISCHE KLINIK UND POLIKLINIK III
DIREKTOR PROF. DR. W. HIDDEMANN Wang, NEJM 2013, ASH 2014
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BTK inhibitor Ibrutinib
Duration of response
median 26.7-month follow-up
KLINIKUM DER UNIVERSITÄT MÜNCHEN®
MEDIZINISCHE KLINIK UND POLIKLINIK III
DIREKTOR PROF. DR. W. HIDDEMANN Wang, NEJM 2013, ASH 2014
Allo SCT or long term responders ?
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Mantle Cell Lymphoma: Relapse
Michael L. Wang, JCO 2016
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Adjusted for year of SCT, remission, performance status
P<0.001
Donors for alloSCT in Lymphoma %
OS
Dietrich et al, Leukemia 2016 2) Which benefit provides an alloSCT ?
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Donor Choice
(A pooled analysis of MCL, DLBCL, FL, TCL)
EBMT Registry Analysis 40
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Mantle Cell Lymphoma: Relapse
Michael L. Wang, JCO 2016
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Study Design n Conditioning 2y-NRM 2y-DFS 2y-OS
___________________________________________________________________
Khouri phase-II; 16 TBI/Cy 6 of 16 55% (3y) 55% (3y)
Laudi phase-II 17 TBI/Cy 29% 50% 49%
Ganti retrospective 17 TBI/Cy 19% (3m) 53% 58%
__________________________________________________________________________
Maris phase-II; 33 TBI2/F 24% 60% 65%
Khouri phase-II 35 FC-R +/- CD52 9% 50% (4y) 54% (4y)
Morris phase-II 10 F/Mel/CD52 20% 50% (3y) 60% (3y)_____________________________________________________________________________
MAC vs. RIC alloSCT in MCL
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THE IMPACT OF GRAFT VERSUS HOST DISEASE ON RELAPSE RATE IN
PATIENTS WITH LYMPHOMA DEPENDS ON THE HISTOLOGICAL SUB-
TYPE AND THE INTENSITY OF THE CONDITIONING REGIMEN
Biol Blood Marrow Transplant. 2015
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THE IMPACT OF GRAFT VERSUS HOST DISEASE ON RELAPSE RATE IN
PATIENTS WITH LYMPHOMA DEPENDS ON THE HISTOLOGICAL SUB-
TYPE AND THE INTENSITY OF THE CONDITIONING REGIMEN
Biol Blood Marrow Transplant. 2015
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0,00
0,20
0,40
0,60
0,80
1,00
0 12 24 36 48 60
Months after RIST
Cu
mu
lati
ve
Inci
den
ce o
f re
lap
se CAMPATH
No CAMPATH
Is there a Graft versus MCL (GV-MCL)?
0 6 12 18 24 30 36
Months after RIST
Chronic GVHD
No Chronic GVHD
T-Cells Immun-Effect
S. Robinson, EBMT Registry 2) Which benefit provides an alloSCT ?
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Non-myeloablative Allogeneic Hematopoietic Stem Cell
Transplantation for Adults with Relapsed and
Refractory Mantle Cell Lymphoma: A Single Center
Analysis in the Rituximab Era
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PFS
OS
Response prior to RIC-Allo and role of cGvH
p=0.006
p=0.001
PFS
PFS
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Failure after ASCT 366 EBMT pts with MCL relapsed after ASCT (first line 64%; prior rituximab
68%; prior HD-ARAC 49%; 12% refractory to autoSCT). Salvage therapy: alloSCT in 23% and 2nd ASCT in 2%. Median f-up: 37 months.
Diethich S, et al. Abstract #474 ASH 2012
OS for patients who received a 2nd ASCT was very poor. AlloSCT performed for late relapse (>12 mo after ASCT) was associated with
superior OS. Donor source, T-cell depletion or conditioning intensity did not affect OS.
interval ASCT-relapse OS after alloSCT
Median OS 20 mths
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Reduce TRM vs early relapses
Monitor Response and
apply pre-emptive therapies
(Ritux, Ibrutinib,mTOR ?)
DLI++
Long term survivors
Maintenance therapy ?
How to improve these results?
Le Gouill, ICML 2013
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How to improve these results?
Le Gouill, ICML 2013
New drugs to bridge or
after Allo SCT ?
Haploidentical early
relapses ?
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Lymphoma Registry: SCT 2005-2014
Allo-SCT: Proportion of Haploidentical SCT
0%
20%
40%
60%
80%
100%
2 7 21 31 37 57 81 121 156 205
1012 1126 1178 1244 1414 1480 1537 1510 1709 1577
Haploidentical SCT Allo SCT (including haplo)
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Haematologica: Tischer, J
Haplo-identical transplantation for MCL
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Haplo-identical transplantation for MCL
Haematologica: Tischer, J
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Allogeneous Stem Transplantation in MCL
• GVL effect occurs (DLI)
• Curative procedure
• In relapsing setting in responding
patients (CR or PR)
• Role of a new targeted therapies
remains to be define (before to bridge
and after) ?
• Haploidentical (sequential ?) in R/R pts
?
• CAR-T cells ?
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Relapse Therapy For MCL
Patient
(Age,
PS,
Comor
bid)
Induction
Therapy
(Cytarabin
e +
Rituximab
Based)
Consoln
(HDT +
AutoSC
T)
Relapse
Patients relapsing after an autoSCT
should be considered for an allogeneic
stem cell transplant following
reinduction therapy.
Re-
Induction
Therapy
Allogenei
c
SCT
Patients undergoing an allogeneic
SCT should receive reduced intensity
conditioning regimens
Patients undergoing alloSCT should be
monitored for MRD post transplant
Patients with evidence of MRD
should, in the absence of graft
versus host disease, be
considered for rapid withdrawal
of immunesuppression and
DLI