Inflammation as A Target for Therapy Focus on Residual Inflammatory - - PowerPoint PPT Presentation

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Inflammation as A Target for Therapy Focus on Residual Inflammatory - - PowerPoint PPT Presentation

ESC Rome Monday August 29, 2016 Inflammation as A Target for Therapy Focus on Residual Inflammatory Risk Paul M Ridker, MD Eugene Braunwald Professor of Medicine Harvard Medical School Director, Center for Cardiovascular Disease


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Inflammation as A Target for Therapy Focus on “Residual Inflammatory Risk”

Paul M Ridker, MD Eugene Braunwald Professor of Medicine Harvard Medical School Director, Center for Cardiovascular Disease Prevention Brigham and Women’s Hospital, Boston MA

ESC Rome Monday August 29, 2016

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Additional LDL Reduction Known Cardiovascular Disease LDL 150 mg/dL hsCRP 4.5mg/L Additional Inflammation Reduction High Intensity Statin LDL 45 mg/dL hsCRP 3.8 mg/L LDL 110 mg/dL hsCRP 1.8 mg/L

“Residual Cholesterol Risk” “Residual Inflammatory Risk”

EHJ 2016;37:1720-22

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Can Targeted Anti-Inflammatory Therapy Reduce Cardiovascular Event Rates and Prolong Life?

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hsCRP (mg/L) Relative Risk of Future CV Events

Lower Risk Moderate Risk Higher Risk 1 mg/L 3 mg/L 10 mg/L Possible Acute Phase Response Repeat in 2 to 3 weeks hsCRP

Ridker PM. JACC 2016;16:67:712-23

High Sensitivity C-Reactive Protein (hsCRP) : A Test In Context

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Coronary Heart Disease

3.0 2.5 2.0 1.5 1.0

hsCRP concentration (mg/L) Risk ratio (95% CI) All Vascular Deaths

3.0 2.5 2.0 1.5 1.0 0.5 1.0 2.0 4.0 8.0

Meta-analysis of 54 Prospective Cohort Studies hsCRP concentration and risk of cardiovascular events : 2010

Emerging Risk Factor Collaborators, Lancet January 2010

0.5 1.0 2.0 4.0 8.0

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Inflammation is a Strong and Consistent Predictor of CV Risk

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CR-6 Emerging Risk Factor Collaborators, Lancet January 2010

0.5 1.0 1.2 1.4 1.8

hsCRP Systolic BP Total cholesterol Non-HDLC 1.37 (1.27-1.48) 1.35 (1.25-1.45) 1.16 (1.06-1.28) 1.28 (1.16-1.40) Risk Ratio (95%CI)

The magnitude of independent risk associated with inflammation is at least as large, if not larger, than that of BP and cholesterol

Risk Ratio (95%CI) per 1-SD higher usual values

Adjusted for age, gender, smoking, diabetes, BMI, triglycerides, alcohol, lipid levels, and hsCRP

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1 2 3 4 5 6 7 Follow-Up (Years)

0.00 0.10 0.20 0.30 0.40 0.00 0.025 0.05 0.075 0.10

Recurrent Vascular Events (%) Recurrent Vascular Events (%) 2.5 1.0 2.0 0.5 1.5 6 1 3 4 2 5 Years

PROVE-IT IMPROVE-IT

LDL >70 mg/dL hsCRP > 2mg/L LDL <70 mg/dL hsCRP > 2mg/L LDL > 70 mg/dL hsCRP < 2mg/L LDL <70 mg/dL hsCRP < 2mg/L

Neither Goal Achieved LDL Goal Achieved hsCRP Goal Achieved Dual Goals Achieved Ridker et al, NEJM 2005;352:20-8 Bohula et al, Circulation 2015;132:1224-33 Ridker et al, Eur Heart J 2016;37:1729-22

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Ridker PM, Luscher T. Eur Heart Journal 2014;35:1782-91

Targeting Inflammatory Pathways for the Treatment of Cardiovascular Disease

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  • 5
  • 10
  • 15
  • 20

1/1 1/2 2/2 CRP Reduction (%) C/C C/T T/T

1.00 0.95 0.90

CRP Reduction (%) Hazard Ratio CHD Hazard Ratio for CHD

rs2228145 rs7529229

Effects of Polymorphism in the IL-6 Receptor Signaling Pathway On Downstream CRP Levels and Risks of Coronary Heart Disease

Swerdlow et al, Lancet 2012;379;1214-24 Sawar N et al, Lancet 2012;379;1205-13

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Ridker PM. Circ Res 2016;118:145-156.

From CRP to IL-6 to IL-1: Moving Upstream to Identify novel Targets for Atheroprotection

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Cohort Group HR* (95 % CI) Endpoint Exposure Wichita RA 0.4 (0.2 - 0.8) Total Mortality LDM

Choi 2002

0.3 (0.2 - 0.7) CV Mortality LDM 0.4 (0.3 – 0.8) CV Mortality LDM < 15 mg/wk Netherlands RA 0.3 (0.1 – 0.7) CVD LDM only

van Helm 2006

0.2 (0.1 – 0.5) CVD LDM + SSZ 0.2 (0.1 – 1.2) CVD LDM + HCQ 0.2 (0.1 – 0.5) CVD LDM + SSZ + HCQ Miami VA PsA 0.7 (0.6 – 0.9) CVD LDM

Pradanovich 2005

0.5 (0.3 – 0.8) CVD LDM < 15 mg/wk RA 0.8 (0.7 – 1.0) CVD LDM 0.6 (0.5 – 0.8) CVD LDM < 15 mg/wk CORRONA RA 0.6 (0.3 – 1.2) CVD LDM

Solomon 2008

0.4 (0.2 – 0.8) CVD TNF-inhibitor QUEST-RA RA 0.85 (0.8 – 0.9) CVD LDM

Narango 2008

0.82 (0.7 – 0.9) MI LDM 0.89 (0.8 - 1.0) Stroke LDM UK Norfolk RA, PsA 0.6 (0.4 – 1.0) Total Mortality LDM

2008

0.5 (0.3 – 1.1) CV Mortality LDM

LDM and CVD: Observational Evidence

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MTX Control Bulgarelli et al, J Cardiovasc Pharmacol 2012;59:308-14

H & E Anti-VSMC Anti-rabbit macrophage Anti-rabbit MMP-9

MTX Control

Methotrexate Inhibits Atherogenesis in Cholesterol-fed Rabbits

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  • To directly test the

inflammatory hypothesis of atherothrombosis

  • To evaluate in a randomized,

double-blind, placebo- controlled trial whether MTX given at a target dose of 20 mg po weekly over a three year period will reduce rates

  • f recurrent myocardial

infarction, stroke, or cardiovascular death among patients with a prior history of myocardial infarction and either type 2 diabetes or metabolic syndrome.

Cardiovascular Inflammation Reduction Trial (CIRT) Primary Aims

N = 7,000 NHLBI-Sponsored 350 US and Canadian Sites

Stable CAD (post MI) On Statin, ACE/ARB, BB, ASA Persistent Evidence of Inflammation Diabetes or Metabolic Syndrome MTX 15-20 mg Weekly Placebo Nonfatal MI, Nonfatal Stroke, Cardiovascular Death

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The Balance of IL-1 and IL-1Ra : Key Regulatory Proteins for Innate Immunity

IL-1Ra IL-1R

Pro-Inflammatory Anti-Inflammatory

IL-1a IL-1b

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Drenth JPH, et al, NEJM 2006; 355:730-732

NLRP3 Cryopyrin Inflammasome, Caspase-1, and IL-1B Maturation Endogenous Danger Signals in Vascular Biology?

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NLRP3 Inflammasome, Caspase-1, and IL-1b Maturation Role of Cholesterol Crystals

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Canakinumab (Ilaris, Novartis)

  • high-affinity human monoclonal anti-human

interleukin-1b (IL-1b) antibody currently indicated for the treatment of IL-1b driven inflammatory diseases (Cryopyrin-Associated Period Syndrome [CAPS], Muckle-Wells Syndrome)

  • designed to bind to human IL-1b and

functionally neutralize the bioactivity of this pro-inflammatory cytokine

  • long half-life (4-8 weeks) with CRP and IL-6

reduction for up to 3 months

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5 15

  • 70
  • 60
  • 50
  • 40
  • 30
  • 20
  • 10

50 100 150

Canakinumab Dose (mg/month)

Median Reduction (%) Fibrinogen Interleukin-6 C-reactive Protein

  • 64.6 %

Ridker et al, Circulation 2012; 126:2739-2748

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Stable CAD (post MI) On Statin, ACE/ARB, BB, ASA Persistent Elevation

  • f hsCRP (> 2 mg/L)

Randomized Canakinumab 150 mg SC q 3 months Randomized Placebo SC q 3 months

Primary Endpoint: Nonfatal MI, Nonfatal Stroke, Cardiovascular Death

Randomized Canakinumab 300 mg SC q 3 months

Canakinumab Anti-inflammatory Thrombosis Outcomes Study (CANTOS)

Secondary Endpoints: Total Mortality, New Onset Diabetes, Other Vascular Events Exploratory Endpoints: DVT/PE; SVT; hospitalizations for CHF; PCI/CABG; biomarkers

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Randomized Canakinumab 50 mg SC q 3 months

N = 10,064 Novartis

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Nidorf, SM, et al; JACC 2013; 61:404-10.

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What About inflammation Inhibition in Acute Coronary Syndromes?

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N = 117 Tnt effect in PCI subgroup only

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Van Hout, GPJ, et al; Eur Heart J. 2016 Jul 17. pii: ehw247. [Epub ahead of print]

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O’Donoghue, ML., et al; JAMA 2016.

Effect of Losmapimod (Map-Kinase Inhibition) on CV Outcomes Following Acute MI

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Waiting For CANTOS (1997 – 2017) A Twenty Year Clinical Journey from CRP to IL-6 to IL-1

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Additional LDL Reduction Known Cardiovascular Disease LDL 150 mg/dL hsCRP 4.5mg/L TG 240 mg/dL Additional Inflammation Reduction High Intensity Statin LDL 60 mg/dL hsCRP 3.8 mg/L TG 180 mg/dL LDL 110 mg/dL hsCRP 1.8 mg/L TG 180 mg/dL

Residual Cholesterol Risk Residual Inflammatory Risk

Additional TG Reduction LDL 60 mg/dL hsCRP 1.8 mg/L TG 220 mg/dL

Residual Triglyceride Risk