Optimising management with combotherapy · 0.019 TNF a!blockers!+ immunomodulators! All!infecons!...
Transcript of Optimising management with combotherapy · 0.019 TNF a!blockers!+ immunomodulators! All!infecons!...
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Optimising management with combotherapy
Simon Travis DPhil FRCP Translational Gastroenterology Unit and Linacre College,
Oxford
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Combotherapy
• Is it a double buggy?
• Or a tandem cycle?
• Or even a pushmepullu?
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Combotherapy
• Like any marriage, some are made in heaven
and some…
3
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Donald Rumsfeld
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Colombel JF et al. N Engl J Med 2010;362:1383-95
51/170 75/169 96/169
Week 26
18/109 28/93 41/107
16.5
30.1 43.9
30
44.4 56.8
P=0.009 P=0.022
P<0.001
P=0.023 P=0.055
P<0.001
Crohn’s disease naïve to azathioprine and anti-TNF
SONIC: AZA vs IFX vs AZA+IFX for early CD
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Absence of active disease: steroid-free remission at wk 26 by baseline endoscopy (SONIC)
Colombel JF et al. N Engl J Med 2010;362:1383‒95
Lesions (n=325)
0
20
40
60
80
100
Prop
ortio
n of
pat
ient
s (%
)
No lesions (n=39)
35/115 50/99 68/111
30.4
50.5 61.3
AZA + placebo (n=170) IFX + placebo (n=169) IFX + AZA (n=169)
11/27 12/36 12/30
40.7 33.3
40.0
6/28 13/34 16/28
21.4
38.2
57.1
No endoscopy or UTD* (n=90)
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COMMIT: IFX +/- MTX: treatment success
0 10 20 30 40 50 60 70 80 90
100
Week 14 Week 50
MTX Placebo
Steroid-free remission
n = 126 p = 0.83 No relapse over 50w
n = 59 p = 0.86
% S
ucce
ss
76% 78%
56% 57%
• Highest induction rates ever • No minimum CDAI (30% <150) • 1o = SF-remission (CDAI <150)@w14 • High dose steroid induction
Feagan BG, et al. Gastroenterology 2014;146: 681–8
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Comparative effectiveness combo vs mono RCTs in CD
Gut ePub 26 June 2014
8
SONIC vs COMMIT for Crohn’s disease comparing mono-‐ vs combo-‐
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Meta-analysis 2013
• Impact of combo in RCTs • Overall ‘no’ • IFX ‘yes’ for combo • ADA/CZP ‘no’ • Abstract only Jones et al
Gastroenterology 2013:144: S179
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EffecIveness in UC-‐SUCCESS comparing mono-‐ vs combo-‐
Comparative effectiveness combo vs mono RCTs in UC
Gut ePub 26 June 2014
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Other trials, clinical remission combo vs mono in CD
Clinical remission for Crohn’s disease with mono-‐ vs combo-‐ cohorts
ACCENT: IFX PRECISE: CZP CLASSIC: ADA
Gut ePub 26 June 2014
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Other trials, clinical remission combo vs mono in UC
Clinical remission for UC with mono-‐ vs combo-‐ cohorts
ACT 1/2: IFX PURSUIT: GOL ULTRA: ADA unavailable
Gut ePub 26 June 2014
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Donald Rumsfeld
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Known unknowns
• Should you allow IMDs to take effect before starUng biologicals?
• If you do start mono-‐ and lose response, does combo-‐ then help?
• Is the risk of infecIon really increased by combotherapy?
• What is the real risk of malignancy on mono-‐ vs combotherapy?
• Can you safely re-‐start combo-‐ aYer serious infecUon or malignancy?
• Do risks resolve when combotherapy stops?
• Is it best to stop combo-‐ aOer 1-‐2 years, or best to conUnue?
• Can you stop biologics and maintain with IMDs in some paUents?
• What about combo-‐ with biosimilars, golimumab, or vedo?
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Combo in real life: IFX
• 121 paUents on IFX for at least 1 year with at least 6 months’ combo with IMD • Outcomes assessed in 6 month semesters (excluding first 6 months) • No difference if azathioprine-‐naïve or refractory at start of IFX • 62 paUents had colonoscopy during study
• Mucosal healing (no ulcers): combo 75% vs mono 50% (OR 0.33, CI 0.12‒0.93; p=0.03)
+/-‐ IMD p-‐value Yes
(n=265) No
(n=319)
IBD flare (%) 51 (19%) 102 (32%)
0.003
Switch to ADA (%) 3 (1.1) 17 (5.3) 0.003
CRP (mean±SE) 8.7±1.1 10.9±0.8 0.001
IFX g/kg/semester (mean±SE)
16.0±0.3 17.2±0.3 <0.001
Sokol H et al. Gut 2010;59:1363‒8
Semester
IBD flare (%
)
45 40 35 30 25 20 15 10 5 0
+ IMM -‐ IMM
1 2 3 4 5‒10
85 36 65
48
45
52
30
49
40
134
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28
14
36
72
86
64
0 10 20 30 40 50 60 70 80 90
100
All ADA combo ADA mono
Flare + Flare -
58
Flares in patients on combo with ADA in first semester, or not
45 patients, 147 semesters
% fl
are
sem
este
rs
41 8 33 106 48
p=0.02
Combo: combination therapy (ADA with AZA/MP/MTX
Effect of early combo for ADA
Reenaers C, et al. Aliment Pharmacol Ther 2012;36:1040–8
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Mono- vs combo for ADA?
• Concomitant ADA and IMD at baseline did not affect treatment outcome, p=0.45
• However, Ume to dose escalaUon was longer with ADA combo
Karmiris K et al. Gastroenterol 2009;137:1628–40
p=0.008
Time to dose escalaIon
(w
eeks)
0
5
10
15
20
(+) IMM
17
12
(-‐) IMM
25
30
Bars represent 95% confidence intervals
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Incremental odds of serious infecUons with pharmacotherapy in IBD
aCompared to control drugs; bCompared to preceding monotherapy; cCompared to preceding dual combination therapy
TNF-α inhibitor monotherapy
OR 1.95 (1.06 – 3.59)a
TNF-α inhibitor + corticosteroid
OR 1.21 (0.79 – 1.87)b
TNF-α inhibitor + immunomodulator +
corticosteroid OR 1.21 (0.79 – 1.87)c
TNF-α inhibitor + immunomodulator
OR 0.37 (0.05 – 2.80)b
TNF-α inhibitor + immunomodulator +
corticosteroid OR 0.91 (0.50 – 1.66)c
Immunomodulator + corticosteroid
OR 0.56 (0.05 – 6.33)b
TNF-α inhibitor + immunomodulator +
corticosteroid OR 0.60 (0.14 – 2.61)c
Immunomodulator monotherapy
OR 9.99 (1.28 – 78.16)a
Deepak P, et al. Gastrointestin Liver Dis 2013;22:269-276
Serious infections, anti-TNF & IMDs: mono- vs combo
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Serious Infections, anti-TNF & IMDs: Mono- vs Combo
aNumber of reports; bFisher’s exact test; cInfections resulting in hospitalizations and/or death
InfecIonsa Control
ReacIonsa OR Lower CI
Upper CI
P Valueb
TNF-‐a blocker monotherapy
All infecUons Serious infecUonsc
3724 1596
253 112
2.17 1.95
1.32 1.06
3.57 3.59
0.003 0.046
Immunomodulators monotherapy
All infecUons Serious infecUons
97 73
2 1
7.14 9.99
1.62 1.25
31.41 78.16
0.002 0.009
TNF-‐a blockers + corUcosteroids
All infecUons Serious infecUons
717 466
55 27
1.92 2.36
1.10 1.18
3.34 4.75
0.03 0.019
TNF-‐a blockers + immunomodulators
All infecUons Serious infecUons
992 625
47 23
3.11 3.72
1.77 1.82
5.46 7.59
<0.001 <0.001
Immunomodulators + corUcosteroids
All infecUons Serious infecUons
101 82
3 2
4.96 5.61
1.43 1.23
17.23 25.60
0.006 0.014
TNF-‐a blockers + immunomodulators + corUcosteroids
All infecUons Serious infecUons
667 517
27 21
3.64 3.37
1.96 1.63
6.74 6.96
<0.001 0.002
Control drugs All infecUons Serious infecUons
129 95
19 13
Risk of infections with drug therapies in IBD in FDA adverse event reporting system (Jan 2003 – June 2011)
Deepak P, et al. Gastrointestin Liver Dis 2013;22:269-276
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Either serious infections or malignancy: combo vs mono
DESIGN
• Meta-‐analysis: Medline, Embase and Web of Science (1980 – 2008)
• 11 RCTs with idenUfied pts with luminal and/or fistulizing CD
OBJECTIVE
• Compared safety and efficacy of combo-‐ vs anU-‐TNF mono in RCT
• Serious adverse events (SAE) = serious infecUon, malignancy, or death
OUTCOMES
• Overall, combo was NOT associated with increased SAE vs anU-‐TNF mono
• OR 1.11 (95%CI 0.56–2.20)
• Included anU-‐TNF agents: • adalimumab • infliximab • Certolizumab pegol
Jones J, et al. Gastroenterology. 2013;144:S-179
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T-Cell Non-Hodgkin’s Lymphoma: REFURBISH
Odds raUos (with 95% CI) of T-‐cell non-‐Hodgkin’s lymphoma (T-‐NHL) or Hepatosplenic T-‐cell lymphoma for TNF-‐α inhibitors alone, thiopurines alone, or in combinaUon with each other vs other therapies for paUents with IBD
0.01 0.1 1 10 OR with 95% CI
100 1000 10000
TNF-α inhib. + Thiopurines (T-NHL)
TNF-α inhib. monotherapy (T-NHL)
Thiopurine monotherapy (T-NHL)
TNF-α inhib. +Thiopurines (HSTCL)
TNF-α inhib. monothrapy (HSTCL)
Thiopurine monotherapy (HSTCL)
P<0.0001
P=1.00
P<0.0001
P<0.0001
P=1.00
P<0.0001
Deepak P, et al. Am J Gastroenterol. 2013;108:99-105.
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Risk synopsis
• Thiopurines are the main culprit
• Thiopurine monotherapy increases the risk of • Serious infecUons by ten-‐fold (OR 9.99, 95 %CI 1.25 – 78.16) • Lymphoma by around 3-‐fold
• AnI-‐TNF monotherapy increases the risk of • Serious infecUons doubles (OR 1.95; 95% CI 1.06-‐3.59) • Lymphoma NOT significantly
• Combotherapy appears NOT to increase the overall risk • OR 1.11 (95%CI 0.56–2.20) • But serious infecUons treble+ (OR 3.72; 95% CI 1.82-‐7.59) • Lymphoma similar to thiopurine monotherapy
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Known unknowns
• Should you allow IMDs to take effect before starUng biologicals?
• If you do start mono-‐ and lose response, does combo-‐ then help?
• Is the risk of infecUon really increased by combotherapy?
• What is the real risk of malignancy on mono-‐ vs combotherapy?
• Can you safely re-‐start combo-‐ aYer serious infecUon or malignancy?
• Do risks resolve when combotherapy stops?
• Is it best to stop combo-‐ aYer 1-‐2 years, or best to conUnue?
• Can you stop biologics and maintain with IMDs in some paUents?
• What about combo-‐ with golimumab, biosimilars, or vedo?
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Exposure to thiopurines and lymphomas in IBD
Beaugerie L et al., Lancet 2009;374:1617-25
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Primary intestinal lymphomas and thiopurines
Patient-years 3060110 49713 16659 9981 23073
0
0.05
0.1
0.15
0.2
0.25
0.3 In
cide
nce
rate
per
100
0 pa
tient
-yea
rs Reference population
All IBD patients Thiopurines continued Thiopurines discontinued Thiopurines never received
Patient-years 3060110 49713 16659 9981 23073
0.005
0.12
0.24
0.10
0.04
Sokol et al. Inflamm Bowel Dis 2012
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Known unknowns
• Should you allow IMDs to take effect before starUng biologicals?
• If you do start mono-‐ and lose response, does combo-‐ then help?
• Is the risk of infecUon really increased by combotherapy?
• What is the real risk of malignancy on mono-‐ vs combotherapy?
• Can you safely re-‐start combo-‐ aYer serious infecUon or malignancy?
• Do risks resolve when combotherapy stops?
• Is it best to stop combo-‐ aYer 1-‐2 years, or best to conUnue?
• Can you stop biologics and maintain with IMDs in some paUents?
• What about combo-‐ with golimumab, biosimilars, or vedo?
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Withdrawal of immunosuppression in CD with scheduled IFX maintenance
OUTCOMES
Van Assche G, et al. Gastroenterology 2008;134:1861-1868.
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Maintenance of remission in CD on IMD after IFX stopped (STORI)
Louis E, et al. Gastroenterology 2012;142:63-70
OUTCOMES
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Predictors of IFX failure after AZA withdrawal in CD on comboherapy
Oussalah A, et al. Am J Gastroenterol 2010;105:1142-1149
P=0.004
P=0.001
P=0.001
OUTCOMES • Survival analysis using Cox proportional-
hazards regression with respect to the 3 independent predictive factors for infliximab failure: (A) “infliximab-azathioprine exposure duration until azathioprine withdrawal (days) ≤811”; (B) “C-reactive protein (mg/L) >5; and (C) “Platelet count (109/L) >298. P=0.001
P=0.001
P=0.004
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Predictors of relapse in CD in remission after 1 yr of biological therapy (RASH study)
Molnár T, et al. Aliment Pharmacol Ther 2013;37:225-233
OUTCOMES • Multivariate logistic regression: predictive factors for restarting
biological therapy in Crohn’s disease
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Donald Rumsfeld
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Conclusions
• Always use combo-‐ with IFX
• Combo-‐ at the start of ADA may be of benefit
• Combo-‐ doesn’t increase the overall risk of infecIon or malignancy compared to mon
• But either biological or IMD mono-‐ increases the risk to start with – in more seriously affected paUents
• Biosimilars must be assumed to need combo-‐
• In the meanIme…..
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Inflammatory Bowel Diseases 2015
• CCIB Barcelona, Spain • EACCME approved • Register online at www.ecco-ibd.eu
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• Back up slides
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T-Cell Non-Hodgkin’s Lymphoma: REFURBISH DESIGN
• RetrospecUve analysis; all lymphoma cases FDA AE ReporUng System; all approved indicaUons and for thiopurines for IBD pts
• Medline search -‐ addiUonal reports
• Subtypes of T-‐cell NHL reported with anU-‐TNF-‐α agents compared to SEER data
• Risk with anU-‐TNF-‐α agents, thiopurines, or concomitant use; calculated using 5-‐ASA as a control drug
OBJECTIVE
• Evaluate risk T-‐cell NHL with anU-‐TNF-‐α agents in comparison to thiopurines in IBD
Deepak P, et al. Am J Gastroenterol 2013;108:99-105
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T-Cell Non-Hodgkin’s Lymphoma: (REFURBISH)
aAzathioprine, 6-mercaptopurine, methotrexate, leflunomide, or cyclosporine. bCases subdivided into the total number of cases reported with each approved primary indication for TNF a inhibitor usage. cAzathioprine, 6-mercaptopurine, methotrexate, leflunomide, or cyclosporine. dFive cases of cutaneous lymphomas reported in literature, not in AERS. eOne case of SPLTCL reported in literature, not in AERS. fOne case of anaplastic large cell lymphoma reported in literature, not in AERS. gOne case of HSTCL reported in literature, not in AERS. hOne case of T cell NHL, NOS reported in literature, not in AERS.
Deepak P, et al. Am J Gastroenterol. 2013;108:99-105.
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T-Cell Non-Hodgkin’s Lymphoma: REFURBISH
Deepak P, et al. Am J Gastroenterol. 2013;108:99-105.
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All malignancies: Infliximab ± Immunomodulators
Lichtenstein GR, et al. Am J Gastroenterol. 2012;107:1051-1063
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Osterman MT, et al. Gastroenterology 2014;146:941-949.
All malignancies: Adalimumab ± Immunomodulators