DLBCL Flashcards

1
Q

What are the components of the IPI score? (APpLES)

A
Age (>60)
Performance status (2-4)
LDH (>1 ULN)
Extra nodal NHL (>1 site)
Stage (III and IV)
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2
Q

What is the aa IPI?

A

Meant for patients 60 years and below

Stage
LDH
PS

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3
Q

How does the IPI correlate with OS?

A
IPI 
Low - CR 80-90%; 5y OS 70%
Low intermediate - CR 60-70%; 5yOS 50%
High intermediate - CR 50-60%; ;5yOS 40%
High - CR 40%; 5y OS 20-30%
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4
Q

Describe the LNH 03-2B study

A

Christian Recher et al, Lancet 2011

Aim = to identify if R-ACVBP is better than RCHOP n terms of survival

Incl criteria:

  • 18-59yo
  • untreated DLBCL
  • aaIPI =1

2 arms:

  • RACVBP vs RCHOP
  • both arms no RT

Results:

  • 3yr EFS: 80% (RACVBP) >70%
  • 3 yr PFS : 87% > 73%
  • OS 90% vs 80%
  • SAE 40% vs 15%
  • FN rate 40% vs 10%
  • Overall RR 90% vs 90%
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5
Q

How is R-ACVBP given?

A

Induction phase of 11 weeks
Consolidation phase of 19 weeks

Induction phase:
- R-ACVBP for 4 cycles Q2weekly. + IT MTX
Consolidation phase:
- Starts with 2 doses of IV MTX as Cycle 5 and 6, separated by 2 weeks
- followed by Rituximab + Ifosfamide+ Etoposide Q2weekly for 4 cycles
- ends with Cytarabine 2 doses separated by 2 weeks

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6
Q

What is R-ACVBP

A
Rituximab
Doxorubicin
Cyclophosphamide
Vin desire
Bleomycin
Prednisone
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7
Q

What is the treatment for young patients with good prognosis DLBCL?
What is the evidence?

A

RCHOP x6

MInT study by Pfreundschuh Lancet Oncoogy 2006

N=800
18-60yo
0-1 risk factors (aaIPI)
Stage II-IV disease or Stage I with bulk

2 arms:
A) RCHOP x6
B) CHOP-like therapy x 6

Bulky and extra nodal sites received RT

Results:

  • 3 yr f/u
  • EFS 80% vs 60%
  • PFS 85% vs 70%
  • OS 90% vs 80%
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8
Q

Describe the NHL-B1 trial

A

Pfreundschuh Blood 2004

Aim:
CHOP-21 was standard then
Wanted to know if CHOP-14 or CHOEP-21/CHOEP-14 can improve results in those 18-60yo with good prognosis

N=700
2x2 factorial study 
Those in Q14days, received GCSF 
\+ RT to bulky disease and Extranodal writes.
A) CHOP-21
B) CHOP-14
C) CHOEP-21
D) CHOEP-14
Results:
CR: CHOEP >CHOP 
- 88% vs 80% 
5y EFS: CHOEP>CHOP
- 70% vs 60% 
OS:
- interval reduction improved OS 
- 75% (CHOP-21); 85% (CHOP-14)
- 83%( CHOEP-21); 85% (CHOEP-14)
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9
Q

Why RCHOP-21 and not RCHOP-14?

A

Cunningham Lancet 2013

CHOP-14>CHOP-21
Aim is to find out if RCHOP-14>RCHOP-21

N=1100
2 arms:
A) 6RCHOP-14 + 2R
B) 8RCHOP-21

Results: (4yr f/u)

  • 2yOS 83% (RCHOP14) vs 81%
  • 2yPFS ~
  • ORR ~

Conclusion:
RCHOP-14 is not superior to RCHOP-21

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10
Q

What are the reasonable options for High Risk DLBCL in young patients?

A

1) RCHOP-21
2) R-EPOCH

3) R-ACVBP for young patients with 1 risk factors
- LNH03-2B by Christian Recher Lancet 2011
- OS 90% vs 80%
- 3y EFS 80% vs 70%
- 3y PFS 87% vs 73%

4) Clinical trial is an option

5) High dose-transplant in selected patients
- aa IPI high risk
- double-hit lymphomas

6) CNS prophylaxis should be considered
- IT vs HD MTX

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11
Q

What are the upfront transplantation trials that suggest benefits?

A

1) Santini et al
- Italian trial 1998
- 2 arms:
» VOCP-B–>DHAP
» VOCP-B–>HDT

2) GELA study by Haioun et al 1997

3) MILAN study by GIanni et al 1997
2arms:
- MACOP-B
- Sequential HDT

4) Milpied et al GOELAMS study 2004
2 arms:
- CHOPx8
- CEEPx2–>MTX+Cytarabine –> BEAM

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12
Q

Describe the Milpied transplant study

A

GOELAMS study NEJM 2004

Aim - to find out what is the efficacy of 1st-line intensive chemo+transplantation of Autologous hematopoietic stem cells in adults with disseminated aggressive lymphoma

2arms:
A) HD therapy + ASCT
B) CHOP

N=200
80% completed treatment
Med f/u 4 years

Results:
- 5y EFS 55% vs 40% (CHOP)
- 5y survival rate in high-intermediate aaIPI group:
» 70% vs 40% (CHOP)

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13
Q

What are the trials that suggest no benefit from upfront transplantation?

A
1) Gisselbrecht et al 2002
2arms:
- ACVBP
- Shortened initial chemo+HDT
Conclusion: 5y EFS and OS higher in conventional arm 
2) EORTC study by Kluin et al 2001 
2arms;
- CHVmP/BV x6
- CHVmP/BVx3 --> HDT
Conclusion: No differences in EFS/OS 
3) Italian study by Martelli et al 2003
2 arms:
- MACOP-B
- Abbreviated MACOP-B --> HDT
Conclusion: No differences in EFS and OS
4) German study by Kaiser et al 1999
2 arms:
- CHEOP
- CHEOP --> HDT
Conclusion = no difference in EFS and OS
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14
Q

What is the PARMA study about?

A

Philip NEJM 1995

Aim: to evaluate efficacy of HD chemo–> ASCT in NHL with relapses

N=200
Relapses of NHL patients all s/p 2 cycles of conventional chemo.
Those with response then randomized to:
A) 4# chemo + RT
B) RT+ intensive chemo + ASCT 

Median f/u 5 years
RR 80% (after ASCT); 40% after chemo w/o transplant
5yEFS 46% in transplant vs 12%
OS 50% vs 30%

Conclusion:
HD Chemo+ ASCT improved EFS and OS

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15
Q

Describe SWOG 9704

A

Stiff et al NEJM 2013

Aim: to test the efficacy of ASCT during 1st remission in patients with NHL (with high-intermediate or high risk) in Rituximab era

N=400
Aa-IPI = high risk or high-intermediate risk

2 arms:
A) 5CHOP
- If response, assigned to:
>> 3CHOP or (Control)
>> 1CHOP+ASCT (transplant)
B) 5RCHOP
- if response, assigned to:
>>3RCHOP (control) or
>>1RCHOP+ASCT (Transplant) 

Results:
2y PFS: 70% (Transplant group) vs 55%
2y OS: 74% vs 71%

Conclusion:
Early ASCT improved PFS in those with high-intermediate-risk or high risk disease who had a response to induction therapy

OS not improved, ?secondary to effectiveness of salvage therapy

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16
Q

What is the evidence to show that Rituximab improves outcomes of DLBCL in older patients?

A

Fisher NEJM 1993
Coiffier NEJM 2002

FIsher NEJM 1993:
4 arms comparable
- CHOP
- m-BACOD
- ProMACE-CytaBOM
- MACOP-B

Coiffier:
- RCHOP >CHOP

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17
Q

Describe the SWOG study by Fisher

A

Fisher NEJM 1993

50-60yo, n=900

4arms:

  • CHOP
  • m- BACOD
  • ProMACE-CytaBOM
  • MACOP-B

OS: ~50%
Fatal Toxic reaction : 1% with CHOP, 5% with m-BACOD, 3% with ProMACE-CytaBom, 6% with MACOP-B

Conclusion= CHOP remains best available to for advanced intermediate-grade or high-grade NHL

m-BACOD = low-dose MTX+Leucovorin, Bleomycin, Doxorubicin, Cyclophosphamide, Vincristine, Dexamethasone

ProMACE-CytaBOM = Prednisone, Doxorubicin, Cyclophosphamide, Etoposide,–> Cytarabine, Bleomycin, Vincristine, MTX+Leucovorin

MACOP-B = MTX with Leucovorin, Doxorubicin, Cyclophosphamide, Vincristine, Prednisone, Bleomycin

18
Q

Describe the Coiffier paper NEJM 2002

A

= LNH-98.5, by GELA group

Aim=to compare CHOP vs RCHOP in elderly patients

60-80yo, untreated DLBCL
2 arms:
A) 8CHOP-21
B) 8RCHOP-21

Results:
CR 75% vs 63%
2y EFS 60% vs 40%
2y OS 70% vs 60%

10y fu:
10y PFS:37% vs 20%
10y OS 44% vs 28%

19
Q

Since we know CHOP is good, and CHOP-14 better in younger patients, how about in elderly?

How about the addition of Etoposide?

A

Pfreundschuh DSHNHL group, NHL-B2 trial

N=700
61-75yo

4 arms:
A) 6CHOP-21
B) 6CHOP-14
C) 6CHOEP-21
D) 6CHOEP-14
2-weekly regimen patients received GCSF
RT to bulky disease or extra nodal sites
Results: 
CHOP-21 did the worst.
CHOP-14 did the best
CHOEP-21>CHOP-21, 10% increase for CR rate, 5yEFS and 5yOS
CHOEP-14 did not do better than CHOP-14
20
Q

How about in the Rituximab era?

and how many cycles of ? 6 or 8

A

Pfreundschuh RICOVER-60 Lancet Onco 2008

Aim = assess if 6 or 8 cycles better, in Rituximab era

N=1200 61-80yo

4arms:
A) 6CHOP-14
B) 8CHOP-14
C) 6RCHOP-14
D) 8RCHOP-14
RT to sites of initial bulky disease +/- sites of Extranodal disease 

Results:

  • 6RCHOP-14 did the best
  • 8CHOP-14 did the worst
  • Addition of R to CHOP-14 improved EFS by 20% from 47 to 67% and improved OS by 10% from 68% to 78%. Also improved CR rate by 10% from 68% to 78%
21
Q

Then why do we use RCHOP-21 and not RCHOP-14? Esp in elderly patients?

A

Delarue LNH03-6B study

Aim = Ascertain if RCHOP-14 >RCHOP-21

N=600, 60-80yo
Untreated DLBCL, at least 1 adverse prognostic factor

2 arms:
A) RCHOP-14
B) RCHOP-21

Results:
RCHOP-14 did not improve efficacy
Toxic side-effects similar but R-CHOP14 a/w increased need for Red cell transfusion
3yEFS ~60%
5yOS ~60%
ORR 85%
G3/4 neutropenia rate 65% (RCHOP21) vs 74% (RCHOP14)

22
Q

Since LNH03-6B showed that RCHOP-21 is preferred over RCHOP-14 in elderly, how about other age groups?

A

Cunningham Lancet 2013

Aim = to investigate if the survival benefit from dose intensification persists in the presence of Rituximab in all age groups

N=1000
4y f/u

Results:

  • 2y OS 83% (RCHOP-14) vs 81% (RCHOP-21)
  • 2yPFS similar 75%

Conclusion: RCHOP21 remains SOC

23
Q

How about those >80yo with DLBCL?

A

R-mini-CHOP
Peyrade et al

N=150, median age 83 yo
70% PS0/1
75% Stage III/IV
IPI 3-5 70% 
50% with limitation in iADL

F/u 2 years
Med OS 29m, 2yOS 60%
Med PFS 21m, 2yPFS 50%

12 deaths attributed to toxicity of treatment

24
Q

Any other options besides R-mini-CHOP in >80yo?

A

R-Bendamustine

Weidmann

Phase II study, n=14 median age 85yo
Stage III/IV 40% 
60% IPI 0/1
ECOG 1-2 80%
80% DLBCL, 40% with extra-nodal involvement 

54% with CR, 15% PR, 31% PD

Med OS 8m, med PFS 8m

25
Q

How about localized intermediate and high grade NHL?

A

Miller paper, NEJM 1998

Clinically localized, intermediate or high grade NHL

2 arms:
A) 8#CHOP
B) 3#CHOP+IFRT

Results:
5yPFS: 80% (CHOP+RT) vs 60% (CHOP)
5yOS: 80% (CHOP+RT) vs 70% (CHOP)

But no R!

26
Q

What inhibits the BTK receptor?

A

Ibrutinib

Dasatinib

27
Q

What are the 3 molecular subtypes for DLBCL?

A

ABC DLBCL
GCB DLBCL
Unclassified DLBCL

28
Q

What are the different markers between GCB and non-GCB DLBCL?

A

Hans et al Blood 2004

GCB:

  • CD 10+
  • CD10-,BCL6+,MUM1-

Non-GCB:

  • CD10-, BCL6-
  • CD10-, BCL6+, MUM1+
29
Q

Based on the aaIPI, what is the score like?

A
0 = low risk
1 = low Intermediate risk
2 = High intermediate risk 
3 = high risk
30
Q

What are the 3 studies that proved RCHOP-21 > CHOP-21?

A

GELA LNH 98.5

  • Coiffier NEJM 2002, 10-yr update Blood 2010
  • 60-80yo patients,
  • 10y PFS 40% vs 30%
  • CR rate 75% vs 63%

ECOG 4494

  • Haberman JCO 2006
  • 1st randomization to CHOP vs RCHOP, those who responded, got randomized again into maintenance R vs observation
  • -> R as induction/maintenance with CHOP chemo prolonged FFS in older patients
  • -> After RCHOP, no benefit was provided by MR.

MInT

  • Pfreundschuh Lancet Oncol 2006
  • 800 18-60yo , aaIPI 0 or 1
  • 6CHOP vs 6RCHOP
  • 3y EFS 80% vs 60%
  • 3y OS 90% vs 80%
  • 3y PFS 85% vs 70%
31
Q

What are the studies supporting RCHOP-14>CHOP-14?

A

RICOVER-60

1200 patients, 61-80yo
2aims:
- 6# or 8#
- Whether R better or not

6CHOP-14
6RCHOP-14
8CHOP-14
8RCHOP-14

Pref: RCHOP-14

Results:

  • 3y OS: 6RCHOP-14 78%, 8RCHOP14 73%; 6CHOP14 68% and 8RCHOP14 66%
  • CR rate 6RCHOP14 78%
32
Q

What is the evidence to say CHOP-14 > CHOP-21?

A

DSHNHL NHL-B2 study
- Pfreundschuh Blood 2004
- 2 aims: Whether added Etoposide better and if -14 better than -21.
- CHOEP-14 comparable to CHOP-14, lesser toxicities
» CR 76% (CHOP-14) vs 72%; 5y OS 50%~, 5y EFS 40% ~
- CHOEP-14 or CHOEP-21 > CR 76% vs 60%, 5y OS 50% vs 40%, 5y EFS 40% vs 30%

33
Q

Why RCHOP-21 > R-CHOP-14?

A

GELA LNH 03-6B study

  • Delarue study
  • 600 patients 60-80, aa IPI 1 and above
  • RCHOP-14 did not improve efficacy cf to RCHOP-21
  • 3y EFS 56%(RCHOP-14) vs 60%
  • G3/4 neutropenia rate and FN rates higher as well
UK NCRI trial 
- Cunningham Lancet 2013
- n=1000 
- 60%>60yo
- 2 arms: 8RCHOP-21 vs 6RCHOP14 +2R
- 65% Stage III/IV , 40% bulky, 40% B symptoms 
- Results:
>> No difference in RR, ORR both 90% 
>> No diff in PFS/OS
34
Q

What is the diagnostic criteria for DLBCL?

A
CD20+
CD10 +/-
CD5+/-
BCL2 mostly +
BCL6 mostly +

CD43-

Ki67>40%

35
Q

Is scrotal RT needed?

A

Yes, in testicular lymphoma, after completion of chemo.

25-30Gy

36
Q

How can CNS prophylaxis be given?

A
4-8 doses of IT MTX and/or Cytarabine 
Or
Systemic MTX (3-3.5g/m2) 

During course of treatment

37
Q

Tell me about the NCCN-IPI score

A

Published in Blood, Zhou et al 2014.

4 risk groups:

  • Low : 0-1
  • Low-intermediate: 2-3
  • High-intermediate: 4-5
  • High 6 and above
Age 
- >40 up to 60 years: 1
- >60 to 1 up to 3 - 1
- >3 2
Stage III/IV disease
EN disease
38
Q

Do you know of any prognostic model to assess risk of CNS disease ?

A

Schmitz et al In hematol Oncol 2013
Savage et al in Blood 2014:

Prognostic model to assess risk of CNS disease

  • .60yo
  • LDH>normal
  • PS>1
  • Stage III/IV
  • EN involvement >1 site
  • Kidney or adrenal gland involvement
39
Q

In CNS Disease in DLBCL, which is more common, leptomeningeal or parenchyma?

A

Parenchyma 60%

Leptomeningeal 40%

40
Q

In CNS Disease in DLBCL, which is more common, leptomeningeal or parenchyma?

A

Parenchyma 60%

Leptomeningeal 40%

41
Q

What are the possible strategies for CNS prophylaxis?

A

1) Intrathecal therapy
- MTX via LP
- MTX via Ommaya
- Liposomal Cytarabine
- ?Rituximab
2) Systemic CNS penetrating therapy
- High Dose IV MTX
3) RT