Why, When and Where to Report Conditioning Regimens€¦ · BAS05_14.ppt Peripheral Blood Umbilical...
Transcript of Why, When and Where to Report Conditioning Regimens€¦ · BAS05_14.ppt Peripheral Blood Umbilical...
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Training and Development
Why, When and Where to Report
Conditioning Regimens
Marcelo C. Pasquini, MD, MS
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Disclosures
I have no relevant financial conflicts of
interest to disclose.
Acknowledgement:
Janet Brunner, Swati Kulkarni and Sharon
Meiers
2 Training and Development
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Objectives
• Rationale of conditioning or preparative regimen
• Does the type of conditioning regimen matter?
• Types of regimens and different intensities
• Tips and overview of data collection (TED & CRF)
3 Training and Development
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Q#1 What are conditioning regimens
A. A combination of different hair styling
products
B. Chemotherapy or irradiation prior to
transplant used to allow engraftment of
donor cells and/or control a malignant
disease
C. Behavioral modification approaches
D. A new diet
Training and Development 4
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Q#1 What are conditioning regimens
A. A combination of different hair styling
products
B. Chemotherapy or irradiation prior to
transplant used to allow engraftment of
donor cells and/or control a malignant
disease
C. Behavioral modification approaches
D. A new diet
Training and Development 5
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Allogeneic Hematopoietic Stem Cell
Transplantation
Hematopoietic stem cells
Conditioning Regimen
Anticancer
Myeloablative
Immunosuppressive
Post-transplant supportive care
BAS05_9.ppt
Allogeneic
HLA-identical Other Unrelated sibling relative
Graft sources
Bone Peripheral Umbilical marrow Blood cord blood
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Hematopoietic Stem Cell Transplantation
- Classification -
Allogeneic
HLA-identical Other Unrelated sibling relative
Bone marrow
Donor
Graft Source
BAS05_14.ppt
Peripheral Blood Umbilical cord blood
Syngeneic Autologous
Myeloablative Conditioning
Regimen Intensity
Reduced Intensity
Non-meyloablative
Other important considerations: • Degree of HLA matching •CMV serology, patient and donor •ABO compatibility •Graft manipulation
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Graft vs Host Disease/Graft Rejection
GvHD
Rejection
Donor Stem Cells
HLA differences stimulate detrimental immune responses
BAS05_41.ppt
Patient
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Q#2 Conditioning Regimen is an
absolute requirement for
transplantation.
• A. True
• B. False
Training and Development 9
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Q#2 Conditioning Regimen is an
absolute requirement for
transplantation.
• A. True*
• B. False
Training and Development 10
*Exception is in case of stem cell boost….however the patient
has received a transplant already.
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Collection of Conditioning Data
• Weight
• Was a preparative regimen given
• Classification of regimen intensity
• Date of regimen
• Irradiation/Total Doses
• Drugs
• Pharmacokinetics (CRF only)
Training and Development 11
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Collection of Conditioning Regimen
Information: TED vs. CRF (rev4.0)
Training and Development 12
CRID Form
2804 100d
Total
Dose
Weight
Pre-TED
Prescribed
2400
mg/kg
mg/m2
Targeted
AUC
Actual
Weight
Baseline Form
Given
2000
mg
Dosing
Weight
HCT 60d
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Calculation of Dosing Body Weight
(DBW)
DBW = IBW + 0.4(ABW-IBW)
DBW = 150 lbs + 0.4(250-150)
DBW = 150 lbs + 40 lbs
DBW = 190 lbs (or 86.4 kg)
IBW = Ideal Body Weight
13 Training and Development
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Jane’s prep regimen consists of:
• Busulfan 130 mg/m2 daily x 4 doses
• Fludarabine 40 mg/m2 daily x 4 doses
Height = 62 inches
ABW = 65 Kg
DBW = 54 Kg
BSA = 1.53
Patient Scenario #1
14 Training and Development
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Determining Chemotherapy Dose
How is the Busulfan dose calculated?
130 mg/m2 x 4 doses = 520 mg/m2
520 mg/m2 x 1.53 m2 = 796 mg
(or 800 mg)
How is the Fludarabine dose calculated?
40 mg/m2 x 4 doses = 160 mg/m2
160 mg/m2 x 1.53 m2 = 245 mg
(or 240 mg)
15 Training and Development
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Chemotherapy Reporting
Form 2400
• The total prescribed dose to report on F2400 for
Busulfan should be 520 mg/m2 & for
Fludarabine 160 mg/m2
• However, this is what was reported for
Jane……..
16 Training and Development
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Chemotherapy Reporting
• On F2400, the following was reported-
Bu 130 mg/m2
Flu 40 mg/m2
• On F2000, the following was reported-
Bu 800 mg
Flu 240 mg
Training and Development 17
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Chemotherapy Reporting
If Bu 130 mg/m2 was the total
prescribed dose, then the total dose
reported on Form 2000 for Bu
should have been 200 mg instead
of 800 mg based on the patient’s
BSA.
18 Training and Development
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Pre-TED dose reporting affects
Baseline reporting
If the correct total prescribed Bu dose
of 520 mg/m2 had been reported on
the Pre-TED, then 800 mg reported
on the Baseline form is correct.
19 Training and Development
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Conditioning Regimen Intensity
conditioning regimen spectrum
High Intensity
Low Intensity
- Increase immediate anti-tumor effect - Increase toxicity
- Rely on later graft versus disease effect -Decreased regimen related toxicity
Number of candidates for HCT
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Champlin Criteria for Non-myeloablative
Regimens
• Prompt hematopoietic recovery (<28 days)
without stem cell support.
• Mixed chimersim can be detected upon
engraftment following hematopoietic
transplantation.
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A Continuum of
Conditioning Regimen Intensity
GE
NE
TIC
DIS
PA
RIT
Y
CLL / CML LCL AML
LGL MM
AGGRESSIVENESS OF MALIGNANCY
l Cy + ATG + Thymic XRT
Haplo /
T-cell Dep
MUD
Matched
sibling
Myelosuppression
Immunosuppression
l TBI+Cy
TBI+F+TT
l Bu16+Cy
l BEAM
l Bu8+F+ATG
l FluMel l
F+Cy
l TBI 2Gy
l Flag-Ida
F+TBI 2Gy
l
HVD05_13.ppt
l Flu/Bu4
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CIBMTR OPERATIONAL GUIDELINES
CLASSIFICATION OF PREPARATIVE
REGIMENS FOR ANALYSIS PURPOSES
23 Training and Development
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Jargons
• High Intensity: ablative, myeloablative,
traditional myeloablative
• Low Intensity: NST, nonmyeloablative,
reduced intensity, minimally ablative
• Other less desirable: mini, transplant lite.
• Papa bear, mama bear and baby bear….
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Myeloablative (MA) Regimens:
1) TBI >500 cGy (single) or >800 cGy
(fractionated)
2) Cyclophosphamide (Cy) + TBI (TBI >500
cGy (single) or TBI >800 cGy fractionated)
3) Cy + VP16 + TBI (TBI >500 cGy (single) or
TBI >800 cGy fractionated)
25 Training and Development
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MA Regimens (continued)
4) Busulfan (Bu) >7.2 mg/kg IV (or >9.0 mg/kg
po)
5) Bu >300 mg/m2 IV (or 375 mg/m2 po)
6) Bu >7.2 mg/kg IV (or >9.0 mg/kg po) + Cy
7) Bu >7.2 mg/kg IV (or >9.0 mg/kg po) +
Melphalan >150 mg/m2
26 Training and Development
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MA Regimens (continued)
8) Melphalan > 150 mg/m2
9) Thiotepa > 10 mg/kg
10) Treosulfan > 30,000 mg/m2 (or > 30 g/m2)
11) Addition of clofarabine
27 Training and Development
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Reduced Intensity Conditioning &
Non-myeloablative Regimens
1) TBI <500 cGy (single) or TBI <800 cGy
(fractionated)
2) ATG + Cy
3) BEAM
4) Bu <7.2 mg/kg IV or <9.0 mg/kg po
5) Bu <300 mg/m2 IV or <375 mg/m2 po
6) Melphalan <150 mg/m2
28 Training and Development
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RIC/NMA Regimens (continued)
7) Fludarabine + ARA-C
8) Fludarabine + Cy
9) Fludarabine + TBI (TBI <500 cGy (single) or
TBI <800 cGy (fractionated)
10) Thiotepa <10 mg/kg
11) Treosulfan <30,000 mg/m2 (or <30 g/m2)
12) VP16 + Cy
29 Training and Development
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Regimen Definitions and Abbreviations
Operationally Defined
Basis : expected duration of cytopenia & need for HSC support for recovery
MA: irreversible cytopenia & manadatory HSC support
NMA: minimal cytopenia & do not need HSC support
RIC : a regimen that does not fulfill MA or NMA criteria
Bacigalupo et al; BBMT 2009; 15: 1628
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Myeloablative Conditioning Regimen
• Younger patients
• Busulfan based are the currently most
commonly done in the country
• TBI >800cGY – mainly in ALL
• Does it matter?
Training and Development 31
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Xz13_9.ppt
Overall Survival of Recipients of IV-BU Compared to TBI-
based Myeloablative Conditioning for Malignant Diseases
Pro
bability,
%
Months
0 12 24
100
0
20
40
60
80
90
10
30
50
70
0
100
20
40
60
80
90
10
30
50
70
6 18
IV- Bu: 56% (95% CI 53-60%) @ 2y
TBI: 48% (95%CI 43-54%) @2y
P=0.019*
*pointwise p-value at 2 years Bredeson C et al, Blood 2013
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How about timing of transplant?
• The order of how drugs are given may altered
its side effect profile…..
Training and Development 33
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Transplant Outcomes by Cy and TBI Sequence
Years
100
0
20
40
60
80
90
10
30
50
70
0 1 2 6 4 3 5
Progression-free Survival
Years 0 1 2 6 3
0
100
20
40
60
80
90
10
30
50
70
4 5
Overall Survival
Pro
ba
bili
ty, %
TBI->CY (n=821)
CY->TBI (n=939)
TBI->CY (n=817)
CY->TBI (n=948)
TBI->CY (n=817)
Cum
ula
tive
In
cid
en
ce, %
TBI->CY (n=817)
CY->TBI (n=939)
CY->TBI (n=939)
Years
100
0
20
40
60
80
90
10
30
50
70
0 1 2 6 5 3 4
Treatment-related Mortality
Years 0 1 2 6 4 3
0
100
20
40
60
80
90
10
30
50
70
5
Progression/Relapse
Holter-Chakrabarty J et al Tandem 2014
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Conditioning Regimens:
Paradigm Change
OLD
• Engraftment requires marrow ablation
• Conditioning regimen is the mainstay for tumor eradication
• Linear dose-response relationship between cytotoxicity and tumor kill
• Narrow Therapeutic window
NEW
• Host immune suppression &
survival advantage for donor HSC
are key
• Graft versus Tumor Effect is
significant in many diseases
• Traditional conditioning ---
prohibitive toxicity in older
patients & those with co
morbidities
• Wider Therapeutic Index with
lower intensity conditioning
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Low intensity conditioning
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TRANSPLANT-RELATED MORTALITY BY AGE
Standard vs. Reduced Intensity Conditioning
Myeloablative
Reduced
Intensity
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Copyright ©2006 American Society of Hematology. Copyright restrictions may apply.
Martino, R. et al. Blood 2006;108:836-846
NRM and REL cumulative incidence estimates (36-month) from a competing risk model, estimated separately for both
conditioning regimens for MDS
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Leukemia-free survival of patients 40+ years receiving RIC
allogeneic HSCT for AML in CR1, 1995-2005, by age
Pro
bab
ilit
y,
%
Months
0 12 24 60 48 36
100
0
20
40
60
80
90
10
30
50
70
0
100
20
40
60
80
90
10
30
50
70
Tp08_4.ppt
40-54 yrs
55-59 yrs
60-64 yrs 65+ yrs
p=0.71
Luger S. et al Blood 2010
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Overall Survival after HCT for Acute Leukemia with RIC vs.
Myeloablative conditioning regimens
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Caveats of Comparing Populations
According to Regimen Intensity
RIC
Age Comorbidities Previous HCT
+/- +++
yes no
Myeloablative
Eligibility
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Within low intensity regimens
• Not all regimens are created equal
• Concepts
– Disease specific vs. general immunoablative
regimens (FCR vs. low dose TBI in lymphoma)
• Difficult to discern regimen from
regimen/GVHD prophylaxis packages
Training and Development 42
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Comparison of TBI vs. non TBI-based nonmyeloablative
conditioning regimens for lymphoma
Ad
juste
d P
rob
ab
ilit
y,
%
Years
0 1 5
100
0
20
40
60
80
2 3 4
TBI (n=382, 3-yr prob=53%)
No-TBI (n=515, 3-yr prob=58%)
p=0.35
Hong S. et al, BBMT 2014
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Reduced Toxicity Concept
• Newer Regimens with lower extra-medullary
toxicity:
• IV Busulfan/Fludarabine, treosulfan
• Allows for extending the number of eligible
patients.
• The degree of toxicity is also dependent on
the patient-related characteristics (end organ
function, age, number of prior treatments)
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How about ATG?
• Is it part of the conditioning or GVHD prophylaxis?
• ATG is considered in-vivo T-cell depletion
• Tip:
– Report as conditioning: if the intent is to allow engraftment, usually given at lower dose at the start of the conditioning.
– Report as GVHD prophylaxis: if the intent is such, usually given at high doses close to stem cell infusion.
Training and Development 45
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Autologous HCT Conditioning
Regimen
• High dose therapy with stem cell rescue
– This is true for malignant diseases
– Intent is to escalate the intensity to maximize
disease control
• Does the concept of reduced intensity exist in
autologous HCT?
Yes, mainly in autoimmune diseases, where
immunoablation is the main focus.
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Comparison of Conditioning Regimens
prior to AutoHCT for Follicular Lymphoma
Chen Y. et al BBMT 2015 47
100
0
20
40
60
80
Pro
ba
bil
ity,
%
Years
BEAM
0 2 5 4 3 1
CBV High TBI
CBV High BuCy
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Comparison of Conditioning Regimens prior to
AutoHCT for Diffuse Large Cell Lymphoma
Chen Y. et al BBMT 2015 48
100
0
20
40
60
80
Pro
ba
bil
ity,
%
Years
Beam
0 2 5 4 3 1
CBV Low
BuCy TBI CBV High
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Comparison of Conditioning Regimens prior to
AutoHCT for Mantle Cell Lymphoma
Chen Y. et al BBMT 2015 49
100
0
20
40
60
80
Pro
ba
bil
ity,
%
Years
Beam
0 2 5 4 3 1
CBV Low
CBV High
BuCy
TBI
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Comparison of Conditioning Regimens prior to
AutoHCT for Hodgkin Disease
Chen Y. et al BBMT 2015 50
100
0
20
40
60
80
Pro
ba
bil
ity,
%
Years
Beam
0 2 5 4 3 1
CBV Low
CBV High
TBI
BuCy
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Pro
bability,
%
Years
0 1 3
100
0
20
40
60
80 NHL- BEAM (n=466); 55% @ 2y
2
HD - BEAM (n=253); 59% @ 2y
Shorter PFS among patients with HL after BuCyE
conditioning compared with BEAM
HD - BuCyE (n=64); 33% @ 2y
NHL –BuCyE (n=119); 60% @2y p=0.40
p<0.001
Pasquini MC et al, BMT Tandem 2014
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Patient Scenario #2
A 65 yo female with IgG kappa myeloma is being
admitted for an autologous HCT. The written
chemotherapy orders state Melphalan 70 mg/m2 IV
daily x 2 days.
• The height of the patient is 159 cm
• Actual body weight (ABW) = 72 kg
• Dosing body weight (DBW) = 59 kg
• BSA = 1.6 m2
52 Training and Development
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Chemotherapy Reporting
Form 2400
What is the total prescribed cumulative
Melphalan dose to report on Form 2400 Q252
for the preparative regimen?
A) 70 mg/kg
B) 70 mg/m2
C) 140 mg/kg
D) 140 mg/m2
53 Training and Development
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Chemotherapy Reporting
Form 2000
• The actual Melphalan dose the
patient received would be
found in the chemotherapy
administration records.
• Form 2000 – The dose would
have been calculated using the
patient’s BSA.
54
Training and Development
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Chemotherapy Reporting
Form 2000
70 mg/m2 x 1.6 m2 = 112 mg daily
Daily dose x BSA
What is the total dose given?
112 mg x 2 days = 224 mg
Total Melphalan dose given
55 Training and Development
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Chemotherapy Reporting
Form 2000 - Patient Scenario # 2
What is the total Melphalan
dose actually given that
would be reported on Form
2000 Q192?
A) 70 mg
B) 112 mg
C) 140 mg
D) 224 mg
56 Training and Development
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Conditioning Regimens
• Vital component of HCT
• Many varieties of combination and intensities
• Data collection attempts to capture the exact
intent, dose planned and given.
• Updated classification on conditioning
regimen types, incorporating current
practices such as PK are needed.
Training and Development 57
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Questions
58 Training and Development
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ESTIMATED NUMBERS OF POTENTIAL
TRANSPLANT CANDIDATES vs. TRANSPLANT
RECIPIENTS IN U.S.
0
10k
20k
30k
40k
50k
NU
MB
ER
S IN
TH
OU
SA
ND
S
Allografts
Autografts
NHL
55,000
15,000
4,500 4,000
11,000 8,000
60k
MM AML HD CML ALL
65y
7,500
CLL
JUO04_34.ppt