overview of immune therapeutic strategies · leila khoja, mbchb, phd bianzheng zhang, rn pamela...
TRANSCRIPT
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Overview of Immune
Therapeutic Strategies
Marcus Butler, MD
Personalized Cancer Medicine
February 11, 2014
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Disclosures
Advisory boards for
Bristol-Myers Squib
Merck & Co.
Novartis Pharmaceuticals
Patent (co-inventor)
artificial antigen presenting cell
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Immune Therapy Principles
• Tumors evolve in the context of the
immune system
• Specificity
• Aims to manipulate non-malignant
processes
• Responses may be delayed
• Holds the promise of long-term benefit
and immunologic memory
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Pathways of Tumor Immunity
Mellman, Coukos, Dranoff. Nature 2011;480:480-489
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Copyright © 2011 by Saunders, an imprint of Elsevier Inc.
Abbas, Lichtman, and Pillai. Cellular and Molecular Immunology, 7th edition. Copyright © 2012 by Saunders, an imprint of Elsevier Inc.
Lymphocytic Inflammation in Tumors
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Ovarian Cancer TIL
Zhang et al., N Engl J Med. 2003 Jan 16;348(3):203-
13. 186 patients
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TIL and Ovarian Cancer Zhang L et al. Intratumoral T cells, recurrence, and survival in epithelial
ovarian cancer. N Engl J Med 348, 203-213 (2003).
Sato E et al. Intraepithelial CD8+ tumor-infiltrating lymphocytes and a high
CD8+/regulatory T cell ratio are associated with favorable prognosis in
ovarian cancer. Proc Natl Acad Sci U S A 102, 18538-18543 (2005).
Tomsova M et al. Prognostic significance of CD3+ tumor-infiltrating
lymphocytes in ovarian carcinoma. Gynecol Oncol 108, 415-420 (2008).
Wolf D et al. The expression of the regulatory T cell-specific forkhead box
transcription factor foxp3 is associated with poor prognosis in ovarian
cancer. Clin Cancer Res 11, 8326-8331 (2005).
Hamanishi J et al. Programmed cell death 1 ligand 1 and tumor-infiltrating
CD8+ T lymphocytes are prognostic factors of human ovarian cancer.
Proc Natl Acad Sci U S A 104, 3360-3365 (2007).
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Immunotherapy Balance
• Anti-Cancer
– Dendritic cells
– Lymphocytes
(CD8 T cells)
– Cytokines (IL2,
IFN-g)
• Tumor Promoting
– Suppressive
macrophage
– Lymphocytes (T reg)
– Cytokines (TGF-beta,
IL-10, IDO)
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Specificity
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Tumor Associated Antigens
Tissue associated • MART1, gp100, PSA, CEA, Mesothelin,
CA125, folate receptor-a, HER2/neu
Abnormally expressed • p53, MUC1
Paraneoplastic • cerebellar degeneration-related protein cdr2
Cancer-testis • NY-ESO-1, MAGE family members
Universal • Survivin, hTERT
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MS Lawrence et al. Nature 000, 1-5 (2013) doi:10.1038/nature12213
Somatic mutation frequencies observed in exomes from 3,083 tumor-normal pairs.
Tumor Derived Neoantigens
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Pathways of Antigen Processing
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T cell Recognition of Peptide-MHC
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Goal of Immune Therapy:
Manipulation of Host Response
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Therapeutic Strategies
• Induction of new responses
• Vaccination
• Oncolytic virus/epitope spreading
• Adoptive therapy
• Augmentation of pre-existing responses
• Checkpoint blockade
• TIL therapy
• Immune modulation, cytokines
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Vaccination
Mellman, Coukos, Dranoff. Nature 2011;480:480-489
Whole tumor cell vaccines
Peptide vaccines
Dendritic cell vaccines
Targeting with oncolytic virus
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Sharma P et al. Nat Rev Ca 2011;11:805-812
Clinical Breakthroughs:
Immune Checkpoints, CTLA-4 & PD1/PDL1
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Ipilimumab (Anti-CTLA-4)
Stage IV or
Unresectable Stage III
Melanoma
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Pathways of Tumor Immunity
Mellman, Coukos, Dranoff. Nature 2011;480:480-489
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Adoptive Cell Therapy
Mellman, Coukos, Dranoff. Nature 2011;480:480-489
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Gattinoni et al. Nature Reviews Immunology 6: 383–393, 2006.
Adoptive Cell Therapy (ACT) with TIL
NCI Experience •Highly selected TIL
•Rapid expansion protocol
•Lymphodepletion
-Increase IL2, IL7, IL15
-Reduce regulatory T cells
•High dose IL-2
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22
Adoptive Immunotherapy with TIL
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20+ Years of ACT at the NIH
(All receive High Dose IL-2)
Regimen Cells Response Rate Toxicity
No lymphodepletion (1980’s)
LAK Melanoma: 22% (6/27) All enrolled: 28% (24/85)
↑↑
No lymphodepletion (1988-1992)
TIL 34% (29/86) ↑↑
•Cytoxan: 60 mg/kg/d x 2
•Fludarabine: 25 mg/m2/d x 5
Selected
TIL 49% (21/43) ↑↑↑
•Cytoxan: 60 mg/kg/d x 2
•Fludarabine: 25 mg/m2/d x 5
•TBI: 2-12 Gy
Selected
TIL
2 Gy: 52% (13/25) 12 Gy: 72%(18/25)
↑↑↑↑
Rosenberg, S.A. et al. JNCI; 86: 1159-66, 1994.
Dudley, M. E. et al. J Clin Oncol; 26: 5233-9, 2008.
Rosenberg, S.A. et al. JNCI; 85: 622-32, 1993.
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Adapted from Restifo, Dudley and Rosenberg, Nature Reviews Immunology 2012
4) Cyclophosphamide, fludarabine ->
TILs ->
LOWER DOSE IL-2 therapy
Adoptive Cell Therapy with
Tumor infiltrating lymphocytes (TILs)
1) Tumor sample
2) Initial expansion of TILs
(+ interleukin-2)
3) Rapid expansion of TILs
(OKT3, feeder cells, IL-2 (LOWER DOSE)
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Pretreatment 2 Months
PR (78% decrease in hilar nodule @ 2 months)
Princess Margaret TIL Patient #1
Non-measurable non-index lesions @ 2 months:
Pulmonary nodules - stable
Right hilar nodes – absent
Subcutaneous lesion - absent
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Immune Therapy:
Delayed and Repeated Responses
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Screening
Week 96: Durable & ongoing response
without signs of IRAEs
Harmankaya K, et al: Presented at EADO 7th World Congress of Melanoma 2009, Vienna, Austria
Delayed responses to ipilimumab;
paradoxical interim increases
Week 12:
Initial increase in
total tumor burden
(mWHO PD)
Week 16:
Responding
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Metastatic cancer lesions are made up mainly of cancer cells and stromal cells, with a very limited immune and inflammatory infiltrate by lymphocytes and macrophages.
Ribas A et al. Clin Cancer Res 2009;15:7116-7118 ©2009 by American Association for Cancer Research
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Ovarian Cancer Response Associated with
Anti-NY-ESO-1 Immunity
Ipilimumab
Hodi FS, Butler MO et al. PNAS; 105, 3005-10, 2008.
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OV65 (82 yo): Autologous Ovarian
GVAX Followed by Ipilimumab
GVAX
Maintenance on ipilimumab:
8 years
CA
12
5
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Long-term Disease Control and
Memory
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Ipilimumab Can Produce Durable Benefit
Stage IV or
Unresectable Stage III
Melanoma
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Pooled OS Analysis Including EAP Data: 4846 Patients
Patients at Risk
Ipilimumab 4846 1786 612 392 200 170 120 26 15 5 0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0 12 24 36 48 60 72 84 96 108 120
Ipilimumab
CENSORED
Median OS, months (95% CI): 9.5 (9.0–10.0)
3-year OS rate, % (95% CI): 21 (20–22)
Pro
po
rtio
n A
live
Months
Schadendorf, Hodi FS, Robert et al. ESMO 2013
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Adoptive Transfer of T Cells
Kandalaft L E et al. JCO 2011;29:925-933
©2011 by American Society of Clinical Oncology
aAPC
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• K562 erythroleukemia cell line
• Engineered to express CD80, CD83, HLA-A2
• Able to present peptide
• CTL generated from purified CD8
• Low dose IL-2 and IL-15
• No feeder cells
Artificial APC for the Generation of
CTL for Adoptive Immunotherapy
TCR/CD3
CD28/CTLA-4 CD80
CD83
HLA-A2
LFA-3
ICAM-1
IL-2
IL-15
K562-based
Artificial
APC
CD8+
T Cell
CD2
LFA-1
CD83L
CD8
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• Target: MART1/Melan-A, a melanoma-associated antigen
• No lymphodepletion, IL-2, anti-CTLA-4, or vaccine
• 35 day cycles with 2 CTL infusions
A Pilot Study of the Adoptive Transfer of MART1/Melan-
A CTL for Metastatic Melanoma
Leukapheresis 1 Infusion 1
CTL Generation 1 CTL Generation 2
Day -21 Day 0 Day 14 Day 35 Day 70
Infusion 2 Leukapheresis 2 Leukapheresis 3
Day -21 0 14 35 70
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Anti-Tumor Activity of Infused MART1 CTL
Patient 5:
complete
response
54+
months
Patient 3:
mixed
response
Pre-Infusion Post-Infusion
day 67 day 107
day 74 day 140
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CTL Induce Anti-tumor Immune Response
(Patient 5 Tumor Biopsy)
Pre-infusion
Post-infusion day 5
CD8
Foxp3 CD4
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Long-term Persistence of Infused MART1 T Cells
MA
RT
1 p
en
tam
er+
T c
ell
s
(% C
D8)
MA
RT
1 p
en
tam
er+
T c
ell
s
(fo
ld i
ncre
ase i
n %
CD
8)
Day 56
(n=9)
Days 102-358
(n=6)
Patient #
Pre-
infusion
Day
14
Day
49
Patient 7
Butler MO et al. Sci Trans Med 3: 80ra34, 2011.
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No. Age/
sex Stage
Notable Comorbid
Conditions
Best
Response
Overall
Time to
next therapy
1 74M
M1c:
liver, adrenal,
spleen, lung, skin
high blood pressure, history of
bowel obstruction
Died on
day 51 --
2 69M M1b:
lung, skin
deep vein thrombosis, on
warfarin
Progressive
disease Day 103
3 49F M1c:
lung, adrenal -
Mixed
response Day 146
4 68M
M1c:
muscle, lung,
mediastinum, cardiac
asbestosis, cardiac metastasis Stable Day 140
5 66M
M1a:
multiple
lymph nodes
diabetes, high blood pressure,
coronary artery disease (MI) Complete Response 54+ months
6 55M M1b:
lung high blood pressure Stable Day 287
7 70F M1b:
lung, skin
diabetes, coronary artery
disease (MI)
Progressive
disease Day 335
8 80M
M1b:
lung,
mediastinal nodes
coronary artery disease (MI),
s/p CABG, pacemaker Stable Day 372
9 64M
M1b:
lung,
mediastinal nodes
High blood pressure Progressive
disease Day 146
Patient Status
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CTLA-4 Blockade: MART1 T Cells with Memory
Phenotype Expand (Patient 2)
α-CTLA-4
Pre-Infusion Post-Infusion
day 74 day 167 day 224 day 537
Anti-CTLA-4
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No. Age/
sex
Time to
further
therapy
CTLA-4
Blockade Outcome
Duration of
response
(months)
Survival
(months)
2 69M Day 103 Ipilimumab
(10 mg/kg)
Partial
response 16 18
3 49F Day 146 Ipilimumab
(10 mg/kg)
Partial
response 60+ 60+
7 70F Day 335 Ipilimumab
(3 mg/kg) Stable 6 14
8 80M Day 372 Ipilimumab
(3 mg/kg) Stable 5 13
9 64M Day 146
Ipilimumab
(10 mg/kg)
+ bevacizumab
Partial
response 42+ 42+
Patient Response to Subsequent Ipilimumab
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Conclusion
• Tumors develop in immune context
• Goal of immunotherapy
• Modulate individual immune reactivity
• Induction of tumor-specific response
• Vaccination (direct or indirect)
• Adoptive transfer
• Induce long-term responses,
immunologic memory, and cures
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Acknowledgements
DFCI Protocols
Philip Friedlander, MD, PhD
F. Stephen Hodi, MD
Linda Drury, PA
Martin Mihm, MD
Lisa Brennan, RN
Kristen Stevenson
Donna Neuberg, PhD
Lee M. Nadler, MD
Naoto Hirano, MD, PhD
Princess Margaret
Anthony Joshua, BSc(Med),
MBBS, PhD, FRACP
David Hogg, MD, FRCPC
Leila Khoja, MBChB, PhD
Bianzheng Zhang, RN
Pamela Ohashi, PhD
Linh Nguyen, PhD
DFCI Cell Manipulation
Heather Daley
Jeffrey Cram
Sharon Helm
Darlys Schott
Myriam Armant, PhD
Grace Kao, MD
Olive Sturtevant
Leslie Silberstein, MD
Jerome Ritz, MD
Princess Margaret
Shlomit Boguslavsky, PhD
Shinya Tanaka, PhD
Diana Gray
Valentin Sotov
Naoto Hirano, MD, PhD
Support
S. Craig Lindner Fund for
Cancer Research
Rudolf E. Rupert Foundation for
Cancer Research
Cancer Research Institute
TAKARA
Madeleine Franchi Ovarian
Cancer Research Fund
Center for Human Cell Therapy,
Boston
NIH/NCI
Dana-Farber Cancer Institute