New Options to Reduce Cardiovascular Events in ASCVD · New Options to Reduce Cardiovascular Events...
Transcript of New Options to Reduce Cardiovascular Events in ASCVD · New Options to Reduce Cardiovascular Events...
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New Options to Reduce Cardiovascular
Events in ASCVD
Online CME Activity
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Table of Contents
Introduction
Michael Miller, MD 3-16
Central Role of Triglyceride-rich Lipoproteins (TGRL) in
CVD Residual Risk beyond Statin Therapy
Børge G. Nordestgaard, MD, DMSc 17-47
Biologic Basis for TGRL Modulation in Reducing Atherosclerosis
R. Preston Mason, PhD 48-100
Reduction of Cardiovascular Events with Icosapent Ethyl–
Intervention Trial (REDUCE-IT)
Deepak L. Bhatt, MD, MPH 101-143
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Michael Miller, MD Professor of Cardiovascular Medicine, Epidemiology & Public Health
University of Maryland School of Medicine
Director, Center for Preventive Cardiology
University of Maryland Medical Center
Baltimore, MD
Introduction
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AHA Scientific Statement: Prevalence of Elevated TG
20+ yrs >150 mg/dL >200 mg/dL >500 mg/dL
Overall 31% 16% 1.1%
Men 35% 20% 1.8%
Women 27% 13% 0.5%
Heritage
Mexican 35% 20% 1.4%
African 16% 8% 0.4%
European 33% 18% 1.1%
Miller M et al. Circulation. 2011;123:2292-333.
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Major Statin Trials: Despite Benefit, Substantial Residual CV Risk Remains
14S Group. Lancet. 1994;344:1383-9. 2LIPID Study Group. N Engl J Med. 1998;339:1349-57. 3Sacks FM et al. N Engl J Med. 1996;335:1001-9. 4HPS Collaborative Group. Lancet. 2002;360:7-22. 5Shepherd J et al. N Engl J Med. 1995;333:1301-7. 6Downs JR et al. JAMA. 1998;279:1615-22. 7Ridker PM et al. N Engl J Med. 2008;359:2195-207.
0
10
20
30
40
4S1 LIPID2 CARE3 HPS4 WOSCOPS5 AFCAPS/
TexCAPS6
JUPITER7
N
Secondary High Risk Primary
PlaceboStatin
19.4
12.310.2
8.7
5.56.8
28.0
15.9
13.2 11.8
Pati
en
ts E
xp
eri
en
cin
g M
ajo
r
CH
D E
ven
ts,
%
7.9
10.9
CHD events occur in patients treated with statins
1.4 0.8
On-treatment
LDL-C (mg/dL) 117 112 97 93 140 115 55
4444 9014 4159 20,536 6595 6605 17,802
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PROVE IT-TIMI 22: Elevated TG Levels Increase Risk of a Coronary Event, Despite LDL-C at Goal
Despite achieving LDL-C <70 mg/dL with a high-dose statin,
patients with TG ≥200 mg/dL have a 67% higher risk of coronary events*
*Death, myocardial infarction, or recurrent acute coronary syndrome†Calculated from adjusted hazard ratio of TG <200 mg/dL (95% CI) = 0.60 (0.45-0.81)
Miller M et al. J Am Coll Cardiol. 2008;51:724-30.
0
5
10
15
20
25
+67%†
P=0.001
≥200 mg/dL <200 mg/dL
(n=603) (n=2796)
On-treatment TG30-d
ay r
isk
of
de
ath
, M
I,
or
rec
urr
en
t A
CS
(%
)
20.3%
13.2%
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On Statin Rx, TG Levels Associate with Short- and Long-term CV Risk
*P for trend=0.03.
ACS=acute coronary syndrome; HTG=hypertriglyceridemia. Schwartz GG et al. J Am Coll Cardiol. 2015;65:2267-75.
N=1501 MIRACL
Atorva 80 mg arm; post-ACS
16 weeks
Fasting TG levels are strongly linked to both short-term and long-term
major CV event risk on background statin therapy, independent of LDL-C
N=15,817 Dal-OUTCOMES
97% statin-treated; post-ACS
Median follow-up 31 months
0.0
0.5
1.0
1.5
2.0
135
Adjusted Analysis*
Ris
k o
f P
rim
ary
En
dp
oin
t E
ve
nt
(Q1
=R
efe
ren
t)
Tertiles of TG at baseline (mg/dL)
>135-195 >195
0.00
0.05
0.10
0.15
Ris
k o
f E
ve
nt
Year of Follow-up
0 1 2 3
Quintile of TG at Baseline (mg/d/L)
>175
>130 to 175
>103 to 130
>80 to 103
≤80
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Elevated TG (TRL): Drivers of CVD Risk
Lipid Based
Non-lipid Based
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VLDL-TG
LDL
CETPTG CE
TGSmall, dense LDL
LDLIDL
LPL/HL
LPL
LDL-TG
TG
HL
IDL-TG
Elevated TG: LDL-TG Partially Drives CVD Risk
LDL
LDL
Vascular Wall Macrophage
LDL
Saeed A et al. J Am Coll Cardiol. 2018;72:156-69. Miller M. J Am Coll Cardiol. 2018;72:170-2.
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Copyright ©2007 American Heart AssociationLibby P. Circ Res. 2007;100:299-301.
Elevated TG: Remnants & APOC3 Partially Drives CVD Risk
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Elevated TG: Non-Lipid Factors Driving CVD Risk
Reiner, Ž. Nat. Rev. Cardiol. 2017;14:401-411.
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Unsuccessful Fibrate Outcome Studies with Statin Use
ARR=absolute risk reduction; NC=not calculated.
Adapted from Handelsman Y, Shapiro MD. Endocr Pract. 2017;23:100-12. Sacks FM et al. N Engl J Med. 2010;363:692-4.
StudyCV Risk Profile
NDailyInter-
vention
Statin Use
Baseline TG
Level
Effect on TG Level
Primary Outcome
Primary Outcome Results
ACCORD
• T2DM
• Age 40-79 yrs
w/ CVD
or
• Age 55-79 yrs
w/ 2 CV risk
factors
5518 Fenofibrate
Open-label simvastatin (mean dose:
22 mg)
162 mg/dL (median)
–26%
• Nonfatal MI or
• Strokeor
• CV death
Mean f/u: 4.7 yrs
• HR=0.92 (95% CI, 0.79-1.08)
• P=0.32• ARR=NC (2.2%
w/ fenofibrate vs 2.4% w/ placebo)
FIELD• Age 50-75 yrs
• T2DM9795
Micronized
fenofibrate
200 mg QD
Added during study in 2547 pts
154 mg/dL (median)
–30% at 1 year
• Nonfatal MI or
• CHD death
Median f/u:5 yrs
• HR=0.89 (95% CI, 0.75-1.05)
• P=0.16• ARR=1.4%
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Boden WE et al. N Engl J Med. 2011;365:2255-67 HPS2-THRIVE Collaborative Group. N Engl J Med. 2014;371:203-12.
Time (years)
Cu
mu
lati
ve
% w
ith
Pri
ma
ry O
utc
om
e
0
10
20
30
40
50
0 1 2 3 4
Monotherapy
Combination Therapy
HR 1.02, 95% CI 0.87–1.21
Log-rank P value=0.79
N at risk
Monotherapy
Combination Therapy
1696
1718
1581
1606
1381
1366
910
903
436
428
16.2%
16.4%
Unsuccessful Niacin Outcome Studies with Statin Use
Years of Follow-up
Pa
tie
nts
Su
fferi
ng
Eve
nts
(%
)
15.0%
0 1 2 3 4 0
5
10
15
20
14.5%
Placebo
ERN / LRPT
Log-rank P=0.29
Risk ratio 0.96 (95% CI 0.90–1.03)
Effect of ERN / LRPT on
Major Vascular Events*
AIM-HIGH (–29% TG) HPS2-THRIVE (–26% TG)
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Successful Outcome Studies with Statin Use (5-15% RRR)
IMPROVE-IT1 FOURIER2 ODYSSEY Outcomes3
CI=confidence interval; Cor Revasc=coronary revascularization; EZ=ezetimibe; HR=hazard ratio; MACE=major adverse cardiovascular events;
MI=myocardial infarction; NNT=number needed to treat; Simva=simvastatin; UA=unstable angina.
1. Cannon CP et al. N Engl J Med. 2015;372:2387-97.
2. Sabatine MS et al. N Engl J Med. 2017;376:1713-22.
3. Steg PG. Evaluation of Cardiovascular Outcomes After an Acute Coronary Syndrome During Treatment With Alirocumab - ODYSSEY OUTCOMES.
March 10, 2018. http://www.acc.org/latest-in-cardiology/clinical-trials/2018/03/09/08/02/odyssey-outcomes.
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JELIS: Successful Outcome Study with Statin Use (19%)
No. at Risk
Control
EPA
0 1 4 5 Years
9319 8931 8671 8433 8192 7958
9326 8929 8658 8389 8153 7924
Cu
mu
lati
ve I
ncid
en
ce o
f
Majo
r C
oro
nary
Even
ts
(%) 4
P=0.011
Statin + EPA 1.8g/day
Statin only3
2
1
0
HR (95% CI): 0.81 (0.69–0.95)
↓
2 3
–19%
N=18,645 Japanese pts with TC ≥251 mg/dL prior to baseline statin Rx. Baseline TG=153 mg/dL.
Statin up-titrated to 20 mg pravastatin or 10 mg simvastatin for LDL-C control.
*Primary endpoint: Sudden cardiac death, fatal and non-fatal MI, unstable angina pectoris, angioplasty, stenting, or coronary artery bypass graft.
Yokoyama M et al. Lancet. 2007;369:1090-8.
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Central Role of Triglyceride-rich Lipoproteins
in CVD Residual Risk Beyond Statin Therapy
Børge G Nordestgaard
Professor, Chief Physician, MD, DMSc
University of Copenhagen & Copenhagen University Hospital
Conflict of Interest Disclosure: the Danish tax payerConsultancies or talks sponsored by AstraZeneca, Sanofi, Regeneron, Ionis,
Akcea, Amgen, Kowa, Denka Seiken, Amarin
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From triglyceride-rich lipoproteins to disease
Cholesterol
TriglyceridesAcute pancreatis
Myocardial infarctionFoam cell Atherosclerosis
Free fatty acids Inflammation
Remnant
Nordestgaard 2018
Lipoprotein
lipase
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0
2
2.5
3
3.5
15
1.5
5
10
4
Pla
sm
a C
-re
active p
rote
in,
mg/d
L
0 2 4 6 8 10
Plasma Triglycerides (mmol/L)
Perc
ent
Copenhagen General Population Study+ Copenhagen City Heart Study
N=115,734
Signe Hansen, Madsen, Varbo, Nordestgaard. Clin Chem 2018; in press.
Median
Plasma low-density lipoprotein cholesterol
0
0
2
77
4
155
6
232
8
309
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Acute pancreatitis Myocardial infarction
116,550 individuals from the Copenhagen General Population Study
N=434 N=3,942
Pedersen, Langsted, Nordestgaard JAMA Intern Med 2016; 176: 1834-1842
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LDL
Cholesterol
Remnants
TG
Chylomicrons
TG
No
rde
stg
aa
rd 2
01
5
CVD
Pancreatitis
CVD ( CVD)
( Pancreatitis)
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LDL
Remnants
LDL
Remnants
Plasma Intima
Triglycerides
Cholesterol Chylomicron
Inflammation
Macrophage
Foam cells
LPL LPL
FFA +Monoacylglycerol
Nordestgaard & Varbo, Lancet 2014; 384: 626-635
Anette Varbo
MD PhD
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HDL
Remnants
LDL
Lipoproteins
HDL cholesterol
Remnant
cholesterol
LDL cholesterol
Triglycerides
Lipids
Lp(a)
Lp(a) total mass
Non-HDL
cholesterol
or apoB
Total
cholesterol
Nordestgaard Eur Heart J 2016; 37: 1944-1958 modified
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Clinical focus on lipoproteins for CVD prevention
1980 1990 20102000
100%
0%
50%
Nordestgaard Circ Res 2016; 118: 547-563 modified
2020
LDL
HDLRemnants
TGs
Epidemiology CliniciansTrials”Postprandial”
Epidemiology
Genetics & ”failed” HDL trials4S trial
Nobel prize 85 & statins
Lp(a)
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Nordestgaard, Nicholls, Langsted, Ray & Tybjærg-Hansen. Nat Rev Cardiol 2018; 15: 261-272
Copenhagen General Population Study
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Copenhagen General Population Study (CGPS)
Copenhagen City Heart Study (CCHS)
N=15,000
N=110,000+
41 yrs follow-up
15 yrs follow-up
No losses to follow-up
1977-2018
Copenhagen
Nordestgaard 2018
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Nonfasting triglycerides
27% 46%
27% 0.1%
Frac
tio
n o
f p
op
ula
tio
n
Nordestgaard & Varbo, Lancet 2014; 384: 626-635
mmol/L
mg/dL 0 88 176 264 352 440 880 1,320
Copenhagen General Population Study
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Nonfasting triglyceridesmmol/Lmg/dL
Haz
ard
rat
io (
95
%C
I)
Nordestgaard & Varbo, Lancet 2014; 384: 626-635
Myocardial infarctionN=96,394 (Events = 3,287)
0
1
2
3
4
5
6
1 2 3 4 5 6 7
88 264 528
Copenhagen City Heart Study and Copenhagen General Population Study
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Haz
ard
rat
io (
95
%C
I)
0
1
2
3
4
5
0
1
2
3
4
5
1 2 3 4 5 6 7 1 2 3 4 5 6 7
Nordestgaard & Varbo, Lancet 2014; 384: 626-635
Ischemic strokeN=97,442 (Events = 2,994)
Nonfasting triglyceridesmmol/Lmg/dL88 264 528
Copenhagen City Heart Study and Copenhagen General Population Study
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Copenhagen City Heart Study and Copenhagen General Population Study
Haz
ard
rat
io (
95
%C
I)
All-cause mortalityN=98,515 (Events = 14,547)
0
1
2
3
4
5
1 2 3 4 5 6 7
Nordestgaard & Varbo, Lancet 2014; 384: 626-635
Nonfasting triglyceridesmmol/Lmg/dL88 264 528
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Remnant cholesterol(= cholesterol content of triglyceride-rich lipoproteins)
Calculated: total cholesterol minus LDL-C minus HDL-C
Measured: direct automated assay available
Nordestgaard 2018
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Obesity diabetes metabolic syndrome remnant lipoproteins
US 1970sNordestgaard 2018
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Varbo, Freiberg, Nordestgaard Clin Chem 2018; 64: 219-230
Copenhagen General Population Study
R2 = 12%
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Nordestgaard JACC 2017; 70: 1637-46
Fasting
Nonfasting
Lipoprotein lipase Lipoprotein lipase
Chylomicron Chylomicron
remnant
VLDL IDL
LDL
Triglycerides
Cholesterol
Remnant
cholesterol
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< 1 1 – 2 2 – 3 3 – 4 4 – 5 5
2309 6040 3023 1294 527 477
Women
Triglycerides, mmol/L < 1 1 – 1.99 2 – 2.99 3 – 3.99 4 – 4.99 5
Triglycerides, mg/dL < 89 89 – 176 177 – 265 266 – 353 354 – 442 443
Observations, No. 4564 7355 2298 652 212 141
Cholesterol, mmol/L (mg/dL)
Remnant 0.35 (14) 0.64 (25) 1.08 (42) 1.53 (59) 1.62 (63) 2.33 (90)
LDL 2.95 (114) 3.41 (132) 3.64 (141) 3.70 (143) 3.92 (151) 3.54 (137)
HDL 2.11 (81) 1.86 (72) 1.57 (61) 1.41 (55) 1.32 (51) 1.13 (44)
Lipoprotein cholesterol, mmol/ L
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0L
ipop
rote
in c
hole
stero
l, m
mo
l/L
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Lip
op
rote
in c
hole
stero
l, mg/d
L
0
50
100
150
200
250
*** ***
*** *** *** ***
*** ***
*** ***
*** ***
***
***
***
*** *** ***
***
***
*** ***
*** ***
***
*** *** *** ***
***
Remnant
LDL
HDL
Remnantp < 0.001
LDLp < 0.001
HDLp < 0.001
Trend
N =
Triglycerides(mmol/L)
Men
Freiberg, Nordestgaard 2011
Copenhagen
General
Population
Study
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Randomized trial vs. Mendelian randomization
Randomization methods
Placebo Drug: TG-rich
remnants
Cardiovascular disease
Confounders
evenly distributed
Random distribution of alleles
Confounders
evenly distributed
Cardiovascular disease
Normal
allele
Allele: TG-rich
remnants
Reverse causationNordestgaard & Tybjærg-Hansen Curr Opin Lipidol 2011;22:113-22
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Remnant cholesterol
mg/dL mmol/L
HDL cholesterol
mg/dL mmol/L
Hazard ratio for ischemic heart disease
<15 <0.4
15-23 0.4-0.6
23-27 0.6-0.7
27-42 0.7-1.1
>42 >1.1
>77 >2.0
66-77 1.7-2.0
54-66 1.4-1.7
46-54 1.2-1.4
<46 <1.2
Quintiles1.0 1.5 2.0 2.5
Varbo et al. JACC 2013;61:427-436
Copenhagen City Heart Study and
Copenhagen General Population Study
12,000 IHD
68,000 Individuals
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Remnant cholesterol
Plasma: observational
Genetic: causal
Remnant / HDL-C
Plasma
Genetic
HDL cholesterol
Plasma
Genetic
Hazard ratio for ischemic heart disease per 39 mg/dL = 1 mmol/L change
1.0 2.0 4.0
Selected genetic
variants without
pleotropic effectsLDL cholesterol
Plasma
Genetic
12,000 IHD
68,000 Individuals
Copenhagen City Heart Study and
Copenhagen General Population Study
Varbo et al. JACC 2013;61:427-436
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NEJM 2014 NEJM 2014
NEJM 2016NEJM 2016
2017
NEJM 2017
Other geneticstudies with same
conclusion:
TG-rich remnantscause cardiovascular
disease
- independent of LDL-C and HDL-C
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(TRL-C=remnant cholesterol)
Vallejo-Vaz AJ…..Ray KK. Circulation 2018;138:770-781
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Vallejo-Vaz AJ…..Ray KK. Circulation 2018;138:770-781
(TRL-C=remnant cholesterol)
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Other clinical
studies with
similar data /
conclusion:
TG-rich remnants
explain CV &
mortality residual
risk beyond statin
therapy
- independent of
LDL-C and HDL-CLawler PR et al. J Am Heart Assoc. 2017 6 e007402
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51 years 51 years 60 years
Madsen, Varbo, Nordestgaard Eur Heart J. 2018; 39: 610-619
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Nord
estg
aard
JA
CC
2017;
70:
163
7-4
6
Nordestgaard JACC 2017; 70: 1637-46
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0.0
0.5
1.0
1.5
2.0
Fasting 0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8Time since last meal, hours
mm
ol/
L
Copenhagen General Population StudyN=83,580
Triglycerides
Remnant cholesterol
Nordestgaard JACC 2017; 70: 1637-46
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Nordestgaard JACC 2017; 70: 1637-46Nordestgaard JACC 2017; 70: 1637-46
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HDL
Remnants
LDL
Lp(a)
Nordestgaard 2018
ApoB
containing
lipoproteins
Stableplaques
Inflamed unstable plaques
Thrombosis
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Biologic Basis for TGRL Modulation in Reducing Atherosclerosis
R. Preston Mason, PhD
1
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CV Risk Factors and Common Pathophysiologic Processes
CV
Disease
Jacob RF and Mason RP (2018)
2
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CV Risk Factors and Common Pathophysiologic Processes
CV
Disease
Endothelial Dysfunction
Ross R. N Engl J Med. 1999;340:115-126
Oxidative Stress & Inflammation
Ross R. N Engl J Med. 1999;340:115-126
Jacob RF and Mason RP (2018)
3
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High
Risk
62
75 7578
74 7369
62
4S LIPID CARE PROVE-IT
(Standard)
PROVE-IT
(Aggressive)
HPS WOS AFCAPS
TexCAPS
0
20
40
60
80
100
Eve
nts
(%
)
The Forgotten Majority: Residual Burden of Events in the Statin
“Megatrials”
N: 4444 9014 4159 2063 2099 20538 6696 6605
ΔLDL -36% -25% 28% -10% -42% -29% -26% -27%
Secondary Primary
Libby P. J Am Coll Cardiol. 2005;46:1225-8.
4
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“Triglycerides on the Rise: Should we Swap Seats on the Seesaw?”
Libby P. Eur Heart J. 2015;36:774-6.
5
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Could Therapeutic Levels of Omega-3 EPA Slow
Atherosclerotic Disease?
6
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Effects of EPA on non-HDL-C and Inflammatory Markers in
Patients with Elevated TGs
Bays HE et al. Am J Cardiovasc Drugs. 2013;13:37-46.
7
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-27.4
-67.9
-2.7
-33.2
-80
-60
-40
-20
0
No Statin With Statin
Median placebo-adjusted change (%)
4 gm/day 2 gm/day
-36.7
-31.4
-13.6
-9.3 -11
-3.8
-40
-20
0
Atorvastatin Rosuvastatin Simvastatin
Median placebo-adjusted change (%)
4 gm/day 2 gm/day
Reductions in hsCRP with EPA Enhanced with Intensive Statin Use
8Bays HE et al. Am J Cardiovasc Drugs. 2013;13:37-46.
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Lipid Therapy has Different Effects on hsCRP
EPA (4g)
Statins
Lipid Therapy
EPA/DHA (4g)
hsCRP Levels
EPA (4g) + Statin
Bays HE et al. Am J Cardiovasc Drugs. 2013;13:37-46; Dunbar RL et al. Lipids Health Dis. 2015:14:98; Ridker PM et al. N Engl J Med. 2008;359:2195-207;
Bohula EA et al. 2015 Circulation. 2015;132:1224-33.
Ezetimibe
Ezetimibe + Statin
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Borow KM, Nelson JR, Mason RP. Atherosclerosis. 2015;242:357-66.
Nemiroff RL. Supplement to Contemporary OB/GYN. 2016
Potential Effects of Omega-3 on Plaque Development
10
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Questions
1. Do Omega-3 FAs (EPA, EPA/DHA) have effects on
atherosclerosis beyond TG reduction?
2. Are these effects of Omega-3 FAs different from
other TG-lowering agents?
3. Are these effects of Omega-3 FAs enhanced with a
statin?
11
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Question 1
What effects do Omega-3 Fatty Acids and other
TG-lowering agents have on oxidation of Apo-B
containing particles (LDL, VLDL, sdLDL)?
12
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LDL Oxidation Triggers Vascular Injury and Inflammation
Normal
LDL
Oxidized
LDL
Modified LDL
(apoB)
Foam-cell formation
Monocyte motility
Endothelial adhesion
Chemoattraction
Free-radical production
Plaque Instability
CV risk factors
LOOHOxidative
Stress
Jacob RF and Mason RP (2018)
13
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Lipid Oxidation Levels Predict CV Events in 634 Patients
with CAD
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
All Vascular
Events and
Procedures
Major Vascular
Procedures
(CABG/PTCA)
Non-fatal
Vascular Events
(Angina/CHF)
HR
P=0.0003
P=0.0140
P<0.0001
oxLipid levels: highest quartile
oxLipid levels: lowest quartile
Walter MF, Mason RP, et al. J Am Coll Cardiol. 2008;51:1196-202.
14
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ApoB Containing Particles are Atherogenic
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Comparative Effects of TG-
lowering Agents on
Lipoprotein Oxidation:
Each agent was tested at 10 µM
Mason RP et al. J Cardiovasc Pharmacol. 2016;68:33-40.
16
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Schematic Illustration of the Protective Effects of EPA on
sdLDL Lipid Oxidation
Adapted from: Mason RP and Jacob RF. Diabetes. 2015;64(Suppl 1):A178-A179.
17
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Comparative Effects of EPA
and DHA on Oxidation in
Different ApoB Particles
18Mason RP et al. J Cardiovasc Pharmacol. 2016;68:33-40.
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Biophysical Analysis: EPA has Stable Extended Conformation in
the Membrane while DHA has Disordering Effect
Sherratt SCR, Mason RP. Chem Phys Lipids 2018; 212:73-9.
19
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DHA Disorders the Membrane Environment while EPA has
no Effect on Membrane Fluidity
*P<0.05 vs control (vehicle) treatment. †P<0.05 vs cognate (equimolar) DHA treatment.
Mason et al. Biochim Biophys Acta. 2016;1858:3131-40.
20
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EPA and DHA have Distinct Roles in Human Physiology
Mediated by Membrane Interactions
Jacob RF and Mason RP (2018)21
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Question 2
What effects do Omega-3 FAs and other TG-
lowering agents have on oxidation of the
membrane, leading to cholesterol crystals?
22
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Cholesterol Crystals Associated with Atherosclerosis and
Cell Death
Kellner-Weibel G, Mason RP, et al. Arterioscler Thromb Vasc Biol. 1999;19:1891-8.23
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Cholesterol
CrystalsNeutrophil
Extracellular Traps Atheroprone Flow Hypoxia
NLRP3
InflammasomeCaspase-1
Pro-IL-1b
Active-IL-1b
Liver
CRPPAI-1
Fibrinogen
IL-6
IL-1b
↑ iNOS, Endothelin-1
↑ Chemokines, Cytokines
↑ Adhesion Molecules
↑ Macrophage Activation
↑ Smooth Muscle Proliferation
↑ Vascular Inflammation
↑ Endothelial Dysfunction
↑ Atherosclerosis
O2SREBP2
Activation
Vascular hsCRP
Risk (mg/L)
High >3
Intermediate 1-3
Low <1
Cholesterol Crystals Trigger IL-1β Formation
24
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Membrane Lipid Oxidation and Cholesterol Domains with
Atherosclerosis
Mason RP and Jacob RF. Circulation. 2003;107:2270-3.25
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Characterizing Membrane Cholesterol Crystalline Domains
by X-ray Diffraction
Mason RP et al. J Biol Chem. 2006;281:9337-45.26
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Effects of TG-lowering Agent on Cholesterol Crystalline
Domains
- Comparison of Vitamin E, EPA,
Fenofibrate, Niacin, and Gemfibrozil
Mason RP and Jacob RF. Biochim Biophys Acta. 2015;1848:502-9.27
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EPA, But Not Other TG-lowering Agents, Inhibit Lipid
Oxidation & Cholesterol Domain Formation
28Adapted from Mason RP and Jacob RF. Biochim Biophys Acta. 2015;1848:502-9.
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EPA Inhibits Membrane Lipid Peroxidation in a Dose-dependent Fashion
**
**
****
†
†
†
§
§
¶
0 1 2.5 5.0 10.00
400
800
1200
1600
2000
2400
EPA Concentration (µM)
Lip
id H
ydro
pero
xid
es (
µM
)
**P<0.001 vs vehicle-treated control. †P<0.001 vs 1.0 µM EPA. §P<0.001 vs 2.5 µM EPA. ¶P<0.05 vs 5.0 µM EPA.
(Student-Newman-Keuls multiple comparisons test; overall ANOVA: P<0.0001, F=561.62). Values are mean ± SD (N=6).
Mason RP and Jacob RF. Biochim Biophys Acta. 2015;1848:502-9.
29
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Effect of Structure on Antioxidant Activity of EPA in
Membranes
*P<0.001 vs vehicle-treated control. †P<0.001 vs glucose-treated control. §P<0.001 vs EA. ¶P<0.001 vs ETE.
(Student-Newman-Keuls multiple comparisons test; overall ANOVA: P<0.0001, F=248.73). Values are mean ± SD (N=6). 30
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Question 3
What effects do Omega-3 Fatty Acids and
statins have on endothelial dysfunction?
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Nitric Oxide Is a Key Mediator of Vascular Protection
Vessel lumen
Subendothelium
Vascular smooth muscle cells
NO
GUANYLATE
CYCLASE
GTP cGMP
NO
NO Platelet
inhibition
Relaxation
Cell growth/proliferation
Matrix formation
Leukocyte migration
Behrendt D and Ganz P. Am J Cardiol. 2002;90(10C):40L-48L.
Vita JA. J Card Fail. 2003;9(5 Suppl Nitric Oxide):S199-S204.
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Combined Effects of EPA and Atorvastatin on Human
Endothelial Function after Treatment with Oxidized LDL
Atorvastatin active metabolite was used in this study. Values are mean ± SD (N=3-6).
*P<0.05 and ***P<0.001 vs oxLDL. †P<0.01 vs oxLDL + EPA. §P<0.001 vs oxLDL + Atorv.
Mason RP et al. Biomed Pharmacother. 2018;203:1231-7.
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Question 4
What effects do Omega-3 Fatty Acids and
other TG-lowering agents have on HDL
function?
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Mason RP and Sherratt SCR. WCIRDC Poster Presentation. Burbank, CA. 2018.
Structure and Benefits of HDL
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• Increased HDL-associated PON1 activity
• Enhanced cholesterol efflux capacity in macrophages
• Reduced VCAM-1 expression in endothelial cells
• Increases resolvin E3 production in endothelial cells
Tanaka N et al. Atherosclerosis. 2014;237:577-83.
Tanaka N et al. Circ J. 2018;82:596-601.
Sherratt SCR and Mason RP. Biochem Biophys Res Comm. 2018;496:335-8.
Effects of EPA on HDL Function
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EPA Inhibits HDL Oxidation as Compared to Fenofibrate or Niacin
**P<0.001 vs vehicle. §P<0.001 vs Fenofibrate or Niacin. (Student-Newman-Keuls multiple comparisons test; overall ANOVA: P<0.0001, F=833.86).
Values are mean ± SD (N=3).
Mason RP et al. European Atherosclerosis Society. 2018.
**§
Vehicle EPA Fenofibrate Niacin0
2
4
6
8
MD
A E
qu
iva
len
ts (
µM
)
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Sherratt SCR and Mason RP. Biochem Biophys Res Comm. 2018;496:335-8.
Effects of EPA and DHA on Oxidation of HDL
0 0.5 1 2 4 6 8 10 14-1
0
1
2
3
4
5
6
7 Vehicle
EPA
DHA
Time Point (hr)
MD
A E
qu
iva
len
ts (
µM
)
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*P<0.05 and ***P<0.001 vs control. †P<0.001 vs vehicle + oxHDL or Fenofibrate + oxHDL.
(Student-Newman-Keuls multiple comparisons test; overall ANOVA: P<0.0001, F=61.063); values are mean ± SD (N=4-6).
Mason RP et al. European Atherosclerosis Society. 2018.
Effect of TG-lowering Agents on HDL Mediated Endothelial Function Following Oxidation
Control Vehicle
+
oxHDL
EPA
+
oxHDL
Fenofibrate
+
oxHDL
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
NO
/ON
OO
- R
ele
ase
Ratio
*
*** ***
†
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CV Risk
CV Risk
Dysfunctional
HDL
Functional
HDL
Past Future
Potential
Future
Approaches
Failed
Approaches
Increase HDL without reducing
inflammation and oxidative stress
Improve HDL quality by reducing
inflammation and oxidative stress
HDL-C as a CV Therapy?
Mason RP et al. European Atherosclerosis Society. 2018.
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Are Fish Oil Dietary Supplements
Appropriate for CV Patients?
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• Leading DS taken by US adults is fish oil1
– 19 million fish oil DS consumed each month1
• ~80% of PharmDs and MDs who recommend fish oil
supplements think, mistakenly, that they are FDA-
approved OTC2
– 30% of PharmDs and 22% of MDs believe Rx and DS are
similar in strength and content2
1. "Omega-3 Supplements: In Depth". NCCIH. N.p., 2009. Web. 7 Apr. 2016.
2. Fairleigh Dickinson University’s Public Mind™ Poll, Omega-3 Physician/Pharmacist Study, March 2013.42
Fish Oil Dietary Supplements
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Dietary FO Supplements Are a By-product of Industrial
Extraction Procedures
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Fatty Acid Content of Leading US Fish Oil Supplement
Mason RP and Sherratt SCR. Biochem Biophys Res Commun. 2017;483:425-9.
EPA
DHA
Saturated Fat
Other Fats
9%
21%34%
36%
44
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Saturated Fatty Acid Content in Fish Oil Supplement Results in Solid Mass following Isolation
Dietary
Supplement
Rx
Omega-3
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Rx DS 1 DS 2 DS 3 EPA
DS
0
20
40
60
80
100
120
TO
TO
X V
alu
e
International threshold for oxidation (US Council for Responsible Nutrition. Voluntary Monograph: Omega-3 DHA, Omega-3 EPA, Omega-3 DHA & EPA (2006). Available at:
http://www.crnusa.org/pdfs/O3FINALMONOGRAPHdoc.pdf. [Date of access: 09/04/2015].
Adapted from: Mason RP and Sherratt SCR. Biochem Biophys Res Commun. 2017;483:425-.9
Supplement Total Oxidation Values Exceed International
Thresholds
Contains Oxidized Lipids
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Achieving a Recommended 4 g Daily Dose of Omega-3 with Common Fish Oil Supplements
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Fish Oil Supplement Claims Are Inaccurate and Overstate Actual Content
Albert BB et al. Sci Rep. 2015;5:7928.
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Oxidized Fish Oil Negatively Impacts Key Lipid Factors
VLDL
Cholesterol
Remnant
Cholesterol
LDL
Cholesterol
HDL
Cholesterol
Non-HDL
Cholesterol
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
Non-HDL
Chol.
HDL
Chol.
LDL
Chol.
Remnant
Chol.
*
*
*
HQ FO HOSO
m
mol/l
Ox FO
VLDL
Chol.
PV of 18 mEq/kg and TOTOX 45.Statistical Indicator: *P<0.05. (Values are mean ± SD.)
Source: Rundblad A et al. Br J Nutr. 2017;117:1291-8.
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Environmental and Processing Contaminants Found in Supplements Are Harmful to Humans
•Heavy metals
–Mercury, Lead
•Dioxins, dibenzofurans, dioxin-like polychlorinated
biphenyls (PCBs)
“Fish oils extracted from captured marine fish species did
not meet the requirements for human
consumption…regarding the sum of dioxin and dl-PCB.”1
1Merkle S et al. Food Control. 2017;73(Part B):1379-87.
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1. US Food and Drug Administration. www.fda.gov/Food/DietarySupplements/default.htm. Updated April 4, 2016. Accessed Nov. 4, 2018. 2. Hilleman D and Smer A. Manag Care.
2016;25:46-52. 3. Mason RP and Sherratt SCR. Biochem Biophys Res Commun. 2017;483:425-9. 4. Albert BB et al. Sci Rep. 2015;5:7928. 5. Kleiner AC et al. J Sci Food Agric.
2015;95:1260-7. 6. Ritter JC et al. J Sci Food Agric. 2013:93:1935-9. 7. Jackowski SA et al. J Nutr Sci. 2015;4:e30. 8. Rundblad A et al. Br J Nutr. 2017;117:1291-8.
FDA Product Classification1 Food
Clinical Trials/FDA
Pre-Approval1Not Required
Content & Purity2-8
Difficult to achieve AHA recommended OM-3 levels
Contain high levels of saturated fats
Advertised omega-3 content overstated
Contain oxidized lipids leading to
dyslipidemia and increased CV risk
Contain PCBs and dioxins at levels
known to be harmful for humans
Summary of Fish Oil Dietary Supplements:Right for CV Patients?
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Conclusion
• Inflammation, oxidative stress, and endothelial dysfunction are causally related to atherosclerosis;
• Omega-3 FA (EPA) interferes with mechanisms of atherosclerosis at therapeutic concentrations as compared to other TG-lowering agents or omega-3 FA formulations. This may contribute to clinical benefits as seen in REDUCE-IT;
• Dietary supplements are not an appropriate substitute for FDA-approved and tested omega-3 fatty acids in patients.
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Reduction of Cardiovascular Events with Icosapent Ethyl–Intervention Trial
Deepak L Bhatt, MD, MPH, Ph. Gabriel Steg, MD, Michael Miller, MD,
Eliot A. Brinton, MD, Terry A. Jacobson, MD, Steven B. Ketchum, PhD,
Ralph T. Doyle, Jr., BA, Rebecca A. Juliano, PhD, Lixia Jiao, PhD,
Craig Granowitz, MD, PhD, Jean-Claude Tardif, MD, Christie M. Ballantyne, MD,
on Behalf of the REDUCE-IT Investigators
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Triglycerides a Causal Risk Factor?
Adapted with permission from Libby P. Triglycerides on the rise: should we swap seats on the seesaw? Eur Heart J. 2015;36:774-776.
Causal risk factors?
Bystanders?
Triglyceride-richlipoproteins
ApoC3
HDL-CApoA1
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ASCEND trial design
Eligibility: Age ≥ 40 years; any DIABETES;
no prior cardiovascular disease
Participants: 15,480 UK patients
Randomization: Omega-3 fatty acids 1 g capsule/day vs placebo
(and aspirin 100 mg daily vs placebo)
Follow-up: Mean 7.4 years; >99% complete for morbidity & mortality
Adherence: Average adherence to omega-3 capsules 77%
ASCEND Study Collaborative Group. Trials 2016;17:286 / Am Heart J 2018;198:135-144
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Effect of omega-3 FA supplements on
serious vascular events
0 1 2 3 4 5 6 7 8 90
5
10
15
20
Years of Follow-up
Par
tici
pan
ts w
ith
Eve
nt
(%)
Placebo
Omega-3 FA
Rate ratio 0.97 (0.87-1.08)
P=0.55
Placebo
712 (9.2%)
Omega-3 FA)
689 (8.9%)
1-g capsules containing either n-3 fatty acids (fatty acid group)
ASCEND Study Collaborative Group, et al. N Engl J Med. 2018;379(16):1540-1550.
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Effect of omega-3 FA supplementsFigure 1: Effects of dietary supplementation with omega-3
fatty acids on major vascular events
k:/v ep/jim/OMEGA-3/march2013/f igures/OMEGA3_META_endpoints1.R 27MAR2013 14:22
0.5 1.0 2.099% CI
95% CI
99% CI
95% CI
Number of events (%)Treatment Control RR (CI)
Treatment
better
Control
better
Coronary Heart Disease
Non-fatal MI 863 (2.8) 867 (2.9) 0.99 (0.87- 1.12)
Coronary death 365 (1.3) 443 (1.5) 0.82 (0.68- 0.99)
Any CHD 1125 (3.9) 1214 (4.2) 0.92 (0.85- 1.00)
p = 0.06
Stroke
Ischaemic 536 (1.9) 524 (1.8) 1.02 (0.87- 1.20)
Haemorrhagic 114 (0.4) 108 (0.4) 1.05 (0.74- 1.49)
Unclassified/Other 99 (0.3) 104 (0.4) 0.95 (0.66- 1.36)
Any stroke 805 (2.6) 787 (2.6) 1.02 (0.92- 1.13)
p = 0.7
Revascularisation
Coronary 2982 (9.8) 2985 (9.8) 1.00 (0.93- 1.07)
Non-Coronary 305 (2.7) 330 (2.9) 0.92 (0.75- 1.13)
Any revascularisation 3228 (10.6) 3258 (10.7) 0.99 (0.94- 1.04)
p = 0.6
Major Vascular Events
Any 4584 (15.0) 4681 (15.4) 0.97 (0.92- 1.01)
p = 0.15
Tabular meta-analysis of large
randomized trials
(>500 participants for at least 1 year)
10 trials including 77,917 participants
28,722 (37% with diabetes)
Mean follow-up 4.4 years
ASCEND: 15,480 participants with DM
7.4 years mean follow-up
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Fish oil supplements are widely used
• Estimated global market for omega-3 products was $31 billion in 2015
• In a large UK prospective study, 31% of adults reported taking fish oils
• Estimates suggest 7.8% of US population (19 million people) take fish oil
supplements
• Benefits claimed on the: heart, brain, weight, vision, inflammation, skin,
pregnancy and early life, liver fat, depression, childhood behaviour,
mental decline, allergies, bones…
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Summary: Omega-3 FA supplementation
in diabetes
• ASCEND is the largest and longest duration placebo-controlled
randomized trial of omega-3 FA supplementation
• No effect on primary outcome of serious vascular events
• No effect on cancer, total or cause-specific mortality
• No safety concerns
• Guideline recommendations should be reconsidered
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The VITamin D and OmegA-3 TriaL (VITAL): Principal Results for Vitamin D and Omega-3 Fatty Acid Supplementation in the Primary Prevention of Cardiovascular Disease and Cancer
• 25,871 participants (primary prevention)
• Median follow-up of 5.3 years
• Major cardiovascular event occurred in 386 participants in the n−3 group and in 419 in the placebo group• hazard ratio, 0.92; P=0.24
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JELIS Suggests CV Risk Reduction with EPA in Japanese Hypercholesterolemic Patients
Total Population
Adapted with permission from Yokoyama M, Origasa H, Matsuzaki M, et al. Effects of eicosapentaenoic acid on major coronary events in hypercholesterolaemic
patients (JELIS): a randomised open-label, blinded endpoint analysis. Lancet. 2007;369:1090-1098.
Kaplan-Meier Estimates of Incidence of Coronary Events
Secondary Prevention CohortPrimary Prevention Cohort
7478 7204 7103 6841 6678 6508
7503 7210 7020 6823 6649 6482
1841 1727 1658 1592 1514 1450
1823 1719 1638 1566 1504 1442
Hazard ratio: 0.81 (0.657–0.998)
p=0.048
Hazard ratio: 0.82 (0.63–1.06)
p=0.132
9319 8931 8671 8433 8192 7958
9326 8929 8658 8389 8153 7924
Numbers at risk
Control group
Treatment group
Majo
r coro
nary
events
(%
)
Hazard ratio: 0.81 (0.69–0.95)
p=0.011
Years
Control
1
2
3
4
01 50 2 3 4
Years
0.5
1.0
1.5
2.0
01 50 2 3 4
4.0
8.0
01 50 2 3 4
Years
EPA*
Control
EPA*
Control
EPA*
*1.8 g/day
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EPA and DHA Have Differing Effects on Cellular Membranes
Reprinted with permission* from Sherratt SCR, Mason RP. Eicosapentaenoic acid and docosahexaenoic acid have distinct membrane locations and lipid interactions as determined by X-ray diffraction. Chem Phys Lipids. 2018;212:73-79. [*https://creativecommons.org/licenses.org/by-nc/4.0/]
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REDUCE-IT Design
Adapted with permissionǂ from Bhatt DL, Steg PG, Brinton EA, et al; on behalf of the REDUCE-IT Investigators. Rationale and design of REDUCE-IT: Reduction of
Cardiovascular Events with Icosapent Ethyl–Intervention Trial. Clin Cardiol. 2017;40:138-148. REDUCE-IT ClinicalTrials.gov number, NCT01492361.
[ǂhttps://creativecommons.org/licenses/by-nc/4.0/]
4 months,12 months,
annually
Randomization End of Study
Screening Period Double-Blind Treatment/Follow-up Period
1:1Randomization
withcontinuation of
stable statintherapy
(N=8179)
Lead-in
•
•
•
Key Inclusion Criteria
• Statin-treated menand women ≥45 yrs
Established CVD(~70% of patients) orDM + ≥1 risk factor
TG ≥150 mg/dL and<500 mg/dL*
LDL-C >40 mg/dL and≤100 mg/dL
•
•
•
IcosapentEthyl4 g/day
(n=4089)
Placebo(n=4090)
Lab values Screening Baseline
Visit 1 2 3 4 5 6 7 Final Visit8 9
Months -1 Month 0 4 Every 12 months12
Up to 6.2 years†Year 0
Primary Endpoint
Time fromrandomization to the
first occurrence ofcomposite of CV death,nonfatal MI, nonfatal
stroke, coronaryrevascularization,unstable angina
requiring hospitalization
4 months,12 months,
annually
End-of-studyfollow-up
visit
End-of-studyfollow-up
visit
*
†
Due to the variability of triglycerides, a 10% allowance existed in the initial protocol, which permitted patients to be enrolled with qualifying triglycerides ≥135 mg/dL.Protocol amendment 1 (May 2013) changed the lower limit of acceptable triglycerides from 150 mg/dL to 200 mg/dL, with no variability allowance.
Median trial follow-up duration was 4.9 years (minimum 0.0, maximum 6.2 years).
Statinstabilization
Medicationwashout
Lipidqualification
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1. Age ≥45 years with established CVD (Secondary Prevention
Cohort) or ≥50 years with diabetes with ≥1 additional risk factor
for CVD (Primary Prevention Cohort)
2. Fasting TG levels ≥150 mg/dL and <500 mg/dL*
3. LDL-C >40 mg/dL and ≤100 mg/dL and on stable statin therapy
(± ezetimibe) for ≥4 weeks prior to qualifying measurements for
randomization
*Due to the variability of triglycerides, a 10% allowance existing in the initial protocol, which permitted patients to be enrolled with qualifying triglycerides ≥135 mg/dL.
protocol amendment 1 (May 2013) changed the lower limit of acceptable triglycerides from 150 mg/dL to 200 mg/dL, with no variability allowance.
Adapted with permissionǂ from: Bhatt DL, Steg PG, Brinton EA, et al; on behalf of the REDUCE-IT Investigators. Rationale and design of REDUCE-IT: Reduction of
Cardiovascular Events with Icosapent Ethyl–Intervention Trial. Clin Cardiol. 2017;40:138-148. [ǂhttps://creativecommons.org/licenses/by-nc/4.0/]
Key Inclusion Criteria – REDUCE-IT
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One or more of the following:
1. Documented coronary artery disease
Multi vessel CAD (≥50% stenosis in ≥2 major epicardial coronary arteries – with or without
antecedent revascularization
Prior MI
Hospitalization for high-risk non-ST-segment elevation acute coronary syndrome with
ST-segment deviation or biomarker positivity
2. Documented cerebrovascular or carotid disease
Prior ischemic stroke
Symptomatic carotid artery disease with ≥50% carotid arterial stenosis
Asymptomatic carotid artery disease with ≥70% carotid arterial stenosis
History of carotid revascularization
3. Documented peripheral artery disease
Ankle-brachial index <0.9 with symptoms of intermittent claudication
History of aorto-iliac or peripheral artery intervention
Inclusion Criteria for Secondary Prevention Cohort
Adapted with permissionǂ from: Bhatt DL, Steg PG, Brinton EA, et al; on behalf of the REDUCE-IT Investigators. Rationale and design of REDUCE-IT: Reduction of
Cardiovascular Events with Icosapent Ethyl–Intervention Trial. Clin Cardiol. 2017;40:138-148. [ǂhttps://creativecommons.org/licenses/by-nc/4.0/]
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1. Diabetes mellitus requiring medication AND
2. ≥50 years of age AND
3. ≥1 additional risk factor for CVD
Men ≥55 years and women ≥65 years
Cigarette smoker or stopped smoking within 3 months
Hypertension (≥140 mmHg systolic OR ≥90 mmHg diastolic) or on antihypertensive medication;
HDL-C ≤40 mg/dL for men or ≤50 mg/dL for women
hsCRP >3.0 mg/L
Renal dysfunction: Creatinine clearance >30 and <60 mL/min
Retinopathy
Micro- or macroalbuminuria
ABI <0.9 without symptoms of intermittent claudication
Inclusion Criteria for Primary Prevention Cohort
Adapted with permissionǂ from: Bhatt DL, Steg PG, Brinton EA, et al; on behalf of the REDUCE-IT Investigators. Rationale and design of REDUCE-IT: Reduction of
Cardiovascular Events with Icosapent Ethyl–Intervention Trial. Clin Cardiol. 2017;40:138-148. [ǂhttps://creativecommons.org/licenses/by-nc/4.0/]
Patients with diabetes and CVD are counted under Secondary Prevention Cohort
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Key Exclusion Criteria
1. Severe (NYHA class IV) heart failure
2. Severe liver disease
3. History of pancreatitis
4. Hypersensitivity to fish and/or shellfish
Adapted with permissionǂ from: Bhatt DL, Steg PG, Brinton EA, et al; on behalf of the REDUCE-IT Investigators. Rationale and design of REDUCE-IT: Reduction of
Cardiovascular Events with Icosapent Ethyl–Intervention Trial. Clin Cardiol. 2017;40:138-148. [ǂhttps://creativecommons.org/licenses/by-nc/4.0/]
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CONSORT DiagramScreened
N=19,212
Randomized
N=8179
(43% of screened)
Icosapent Ethyl
N=4089 (100%)
Placebo
N=4090 (100%)
Completed Study N=3684 (90.1%) Completed Study N=3630 (88.8%)
Countries 11
Sites 473
Incl./Excl. criteria not met 10,429
Withdrawal of consent 340
Adverse event 13
Primary Prevention category closed 4
Death 5
Lost to follow-up 108
Enrollment closed 3
Other 135
Early Discontinuation from Study N=405 (9.9%)
Actual vs. potential total follow-up time (%) 93.6%
Known vital status 4083 (99.9%)
Early Discontinuation from Study N=460 (11.2%)
Actual vs. potential total follow-up time (%) 92.9%
Known vital status 4077 (99.7%)
Screen Fails N=11,033*
*4 patients presented 2 screen failure reasons.
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018. Median trial follow up duration was 4.9 years.
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REDUCE-IT Study PI and Committees
Global Principal Investigator and Steering Committee Chair
Deepak L. Bhatt MD, MPH, Professor of Medicine at Harvard Medical School, Executive Director of Interventional
Cardiovascular Programs at Brigham and Women's Hospital Heart & Vascular Center, and the Global Principal
Investigator and Steering Committee Chair of REDUCE-IT
Steering Committee
Deepak L. Bhatt MD, MPH (Chair and Global Principal Investigator), Christie M. Ballantyne MD, Eliot A. Brinton MD,
Terry A. Jacobson MD, Michael Miller MD, Ph. Gabriel Steg MD, Jean‐Claude Tardif MD
Data Monitoring Committee
Brian Olshansky MD (Chair), Mina Chung MD, Al Hallstrom PhD, Lesly A. Pearce MS (non‐voting independent
statistician)
Independent Statistical Center Support for Data Monitoring Committee: Cyrus Mehta PhD, Rajat Mukherjee PhD
Clinical Endpoint Committee
C. Michael Gibson MD, MS (Chair), Anjan K. Chakrabarti MD, MPH, Eli V. Gelfand MD, Robert P. Giugliano MD, SM,
Megan Carroll Leary MD, Duane S. Pinto MD, MPH, Yuri B. Pride MD
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Key Baseline CharacteristicsIcosapent Ethyl
(N=4089)
Placebo
(N=4090)
Age (years), Median (Q1-Q3) 64.0 (57.0 - 69.0) 64.0 (57.0 - 69.0)
Female, n (%) 1162 (28.4%) 1195 (29.2%)
Non-White, n (%) 398 (9.7%) 401 (9.8%)
Westernized Region, n (%) 2906 (71.1%) 2905 (71.0%)
CV Risk Category, n (%)
Secondary Prevention Cohort 2892 (70.7%) 2893 (70.7%)
Primary Prevention Cohort 1197 (29.3%) 1197 (29.3%)
Ezetimibe Use, n (%) 262 (6.4%) 262 (6.4%)
Statin Intensity, n (%)
Low 254 (6.2%) 267 (6.5%)
Moderate 2533 (61.9%) 2575 (63.0%)
High 1290 (31.5%) 1226 (30.0%)
Type 2 Diabetes, n (%) 2367 (57.9%) 2363 (57.8%)
Triglycerides (mg/dL), Median (Q1-Q3) 216.5 (176.5 - 272.0) 216.0 (175.5 - 274.0)
HDL-C (mg/dL), Median (Q1-Q3) 40.0 (34.5 - 46.0) 40.0 (35.0 - 46.0)
LDL-C (mg/dL), Median (Q1-Q3) 74.0 (61.5 - 88.0) 76.0 (63.0 - 89.0)
Triglycerides Category
<150 mg/dL 412 (10.1%) 429 (10.5%)
150 to <200 mg/dL 1193 (29.2%) 1191 (29.1%)
≥200 mg/dL 2481 (60.7%) 2469 (60.4%)
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Biomarker*
Icosapent Ethyl
(N=4089)
Median
Placebo
(N=4090)
Median
Median Between Group Difference
at Year 1
Baseline Year 1 Baseline Year 1
Absolute
Change from
Baseline
% Change
from
Baseline
% Change
P-value
Triglycerides (mg/dL) 216.5 175.0 216.0 221.0 -44.5 -19.7 <0.0001
Non-HDL-C (mg/dL) 118.0 113.0 118.5 130.0 -15.5 -13.1 <0.0001
LDL-C (mg/dL) 74.0 77.0 76.0 84.0 -5.0 -6.6 <0.0001
HDL-C (mg/dL) 40.0 39.0 40.0 42.0 -2.5 -6.3 <0.0001
Apo B (mg/dL) 82.0 80.0 83.0 89.0 -8.0 -9.7 <0.0001
hsCRP (mg/L) 2.2 1.8 2.1 2.8 -0.9 -39.9 <0.0001
Log hsCRP (mg/L) 0.8 0.6 0.8 1.0 -0.4 -22.5 <0.0001
EPA (µg/mL) 26.1 144.0 26.1 23.3 +114.9 +358.8 <0.0001
Effects on Biomarkers from Baseline to Year 1
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
*Apo B and hsCRP were measured at Year 2.
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Primary End Point:CV Death, MI, Stroke, Coronary Revasc, Unstable Angina
Icosapent Ethyl
23.0%Placebo
28.3%
Years since Randomization
Pa
tie
nts
wit
h a
n E
ve
nt
(%)
0 1 2 3 4 5
0
10
20
30
P=0.00000001
RRR = 24.8%
ARR = 4.8%
NNT = 21 (95% CI, 15–33)
Hazard Ratio, 0.75(95% CI, 0.68–0.83)
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018. Bhatt DL. AHA 2018, Chicago.
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20.0%
16.2%
Icosapent Ethyl
Placebo
Key Secondary End Point:CV Death, MI, Stroke
Hazard Ratio, 0.74(95% CI, 0.65–0.83)
RRR = 26.5%
ARR = 3.6%
NNT = 28 (95% CI, 20–47)
P=0.0000006
Years since Randomization
Pa
tie
nts
wit
h a
n E
ve
nt
(%)
0 1 2 3 4 5
0
10
20
30
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018. Bhatt DL. AHA 2018, Chicago.
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Primary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
Baseline Diabetes
Diabetes
No Diabetes0.77 (0.68–0.87)
0.73 (0.62–0.85)
0.56
536/2393 (22.4%)
365/1694 (21.5%)
433/2394 (18.1%)
272/1695 (16.0%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort0.73 (0.65–0.81)
0.88 (0.70–1.10)
0.14738/2893 (25.5%)
163/1197 (13.6%)
559/2892 (19.3%)
146/1197 (12.2%)
End Point/Subgroup
Subgroup
Primary Composite End Point (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
HR (95% CI)
0.75 (0.68–0.83)
0.74 (0.66–0.83)
0.84 (0.67–1.05)
0.49 (0.24–1.02)
0.75 (0.67–0.83)
0.82 (0.57–1.16)
0.65 (0.56–0.75)
0.87 (0.76–1.00)
0.69 (0.58–0.82)
0.76 (0.67–0.86)
1.12 (0.74–1.69)
0.62 (0.51–0.77)
0.79 (0.71–0.88)
0.73 (0.64–0.83)
0.79 (0.67–0.93)
0.68 (0.58–0.79)
0.81 (0.71–0.93)
0.77 (0.69–0.85)
0.60 (0.43–0.83)
0.71 (0.59–0.85)
0.80 (0.70–0.92)
0.70 (0.56–0.89)
0.72 (0.61–0.85)
0.81 (0.68–0.96)
0.74 (0.62–0.89)
Int P Val
0.30
0.64
0.004
0.12
0.04
0.45
0.07
0.18
0.41
0.62
n/N (%)
Placebo
901/4090 (22.0%)
713/2905 (24.5%)
167/1053 (15.9%)
21/132 (15.9%)
834/3828 (21.8%)
67/262 (25.6%)
460/2184 (21.1%)
441/1906 (23.1%)
310/1226 (25.3%)
543/2575 (21.1%)
45/267 (16.9%)
214/794 (27.0%)
687/3293 (20.9%)
559/2469 (22.6%)
342/1620 (21.1%)
407/1942 (21.0%)
494/2147 (23.0%)
812/3688 (22.0%)
89/401 (22.2%)
263/911 (28.9%)
468/2238 (20.9%)
170/939 (18.1%)
302/1386 (21.8%)
307/1364 (22.5%)
292/1339 (21.8%)
Icosapent Ethyl
n/N (%)
705/4089 (17.2%)
551/2906 (19.0%)
143/1053 (13.6%)
11/130 (8.5%)
649/3827 (17.0%)
56/262 (21.4%)
322/2232 (14.4%)
383/1857 (20.6%)
232/1290 (18.0%)
424/2533 (16.7%)
48/254 (18.9%)
149/823 (18.1%)
554/3258 (17.0%)
430/2481 (17.3%)
275/1605 (17.1%)
288/1919 (15.0%)
417/2167 (19.2%)
646/3691 ( 17.5%)
59/398 (14.8%)
197/905 (21.8%)
380/2217 (17.1%)
128/963 (13.3%)
244/1481 (16.5%)
248/1347 (18.4%)
213/1258 (16.9%)
Hazard Ratio (95% CI)
Sex
Male
Female
0.73 (0.65–0.82)
0.82 (0.66–1.01)
0.33
715/2895 (24.7%)
186/1195 (15.6%)
551/2927 (18.8%)
154/1162 (13.3%)
US vs Non-US
US
Non-US0.69 (0.59–0.80)
0.80 (0.71–0.91)
0.14
394/1598 (24.7%)
507/2492 (20.3%)
281/1548 (18.2%)
424/2541 (16.7%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL0.75 (0.68–0.83)
0.79 (0.57–1.09)
0.83
811/3660 (22.2%)
90/429 (21.0%)
640/3674 (17.4%)
65/412 (15.8%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
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Key Secondary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
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Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.41361/2892 (12.5%)
98/1197 (8.2%)
0.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
Subgroup HR (95% CI) Int
P Val
Placebo
n/N (%)
Icosapent Ethyl
n/N (%)
Hazard Ratio
(95% CI)
Key Secondary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
Sex
Male
Female
0.44353/2927 (12.1%)
106/1162 (9.1%)
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
Subgroup HR (95% CI) Int
P Val
Placebo
n/N (%)
Icosapent Ethyl
n/N (%)
Hazard Ratio
(95% CI)
Key Secondary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
US vs Non-US
US
Non-US
0.38187/1548 (12.1%)
272/2541 (10.7%)
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
Subgroup HR (95% CI) Int
P Val
Placebo
n/N (%)
Icosapent Ethyl
n/N (%)
Hazard Ratio
(95% CI)
Key Secondary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
Baseline Diabetes
Diabetes
No Diabetes
0.29286/2394 (11.9%)
173/1695 (10.2%)
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
Subgroup HR (95% CI) Int
P Val
Placebo
n/N (%)
Icosapent Ethyl
n/N (%)
Hazard Ratio
(95% CI)
Key Secondary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62290/2481 (11.7%)
169/1605 (10.5%)
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
Subgroup HR (95% CI) Int
P Val
Placebo
n/N (%)
Icosapent Ethyl
n/N (%)
Hazard Ratio
(95% CI)
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
Key Secondary End Point in Subgroups
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Subgroup
Key Secondary Composite Endpoint (ITT)
Region
Western
Eastern
Asia Pacific
Ezetimibe Use
No
Yes
Age Group
<65 Years
≥65 Years
Baseline Statin Intensity
High
Moderate
Low
Baseline Triglycerides ≥200 and HDL-C ≤35 mg/dL
Yes
No
Baseline hsCRP ≤2 vs >2 mg/L
≤2 mg/L
>2 mg/L
White vs Non-White
White
Non-White
Baseline eGFR
<60 mL/min/1.73m2
60-<90 mL/min/1.73m2
≥90 mL/min/1.73m2
Baseline LDL-C (Derived) by Tertiles
≤67 mg/dL
>67-≤84 mg/dL
>84 mg/dL
0.54
0.46
0.06
0.10
0.50
0.97
0.13
0.77
0.97
0.74 (0.65–0.83)
0.73 (0.64–0.84)
0.78 (0.59–1.02)
0.47 (0.20–1.10)
0.73 (0.64–0.82)
0.87 (0.54–1.39)
0.65 (0.54–0.78)
0.82 (0.70–0.97)
0.66 (0.54–0.82)
0.74 (0.63–0.87)
1.20 (0.74–1.93)
0.68 (0.53–0.88)
0.75 (0.65–0.86)
0.73 (0.61–0.89)
0.73 (0.63–0.86)
0.76 (0.67–0.86)
0.55 (0.38–0.82)
0.71 (0.57–0.88)
0.77 (0.64–0.91)
0.70 (0.52–0.94)
0.73 (0.59–0.90)
0.75 (0.61–0.93)
0.74 (0.60–0.91)
606/4090 (14.8%)
473/2905 (16.3%)
117/1053 (11.1%)
16/132 (12.1%)
569/3828 (14.9%)
37/262 (14.1%)
290/2184 (13.3%)
316/1906 (16.6%)
210/1226 (17.1%)
361/2575 (14.0%)
32/267 (12.0%)
136/794 (17.1%)
470/3293 (14.3%)
245/1942 (12.6%)
361/2147 (16.8%)
538/3688 (14.6%)
68/401 (17.0%)
205/911 (22.5%)
296/2238 (13.2%)
105/939 (11.2%)
196/1386 (14.1%)
208/1364 (15.2%)
202/1339 (15.1%)
459/4089 (11.2%)
358/2906 (12.3%)
93/1053 (8.8%)
8/130 (6.2%)
426/3827 (11.1%)
33/262 (12.6%)
200/2232 (9.0%)
259/1857 (13.9%)
151/1290 (11.7%)
270/2533 (10.7%)
37/254 (14.6%)
101/823 (12.3%)
356/3258 (10.9%)
183/1919 (9.5%)
276/2167 (12.7%)
418/3691 (11.3%)
41/398 (10.3%)
152/905 (16.8%)
229/2217 (10.3%)
78/963 (8.1%)
157/1481 (10.6%)
157/1347 (11.7%)
145/1258 (11.5%)
End Point/Subgroup Hazard Ratio (95% CI) HR (95% CI)* Int P Val
n/N (%)
PlaceboIcosapent Ethyl
n/N (%)
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
421/3674 (11.5%)
38/412 (9.2%)
Baseline Triglycerides ≥200 vs <200 mg/dL
Triglycerides ≥200 mg/dL
Triglycerides <200 mg/dL
0.62
0.75 (0.65–0.88)
0.71 (0.58–0.86)
371/2469 (15.0%)
235/1620 (14.5%)
290/2481 (11.7%)
169/1605 (10.5%)
Baseline Diabetes
Diabetes
No Diabetes
0.29
0.70 (0.60–0.81)
0.80 (0.65–0.98)
391/2393 (16.3%)
215/1694 (12.7%)
286/2394 (11.9%)
173/1695 (10.2%)
US vs Non-US
US
Non-US
0.38
0.69 (0.57–0.83)
0.77 (0.66–0.91)
266/1598 (16.6%)
340/2492 (13.6%)
187/1548 (12.1%)
272/2541 (10.7%)
Sex
Male
Female
0.44
0.72 (0.62–0.82)
0.80 (0.62–1.03)
474/2895 (16.4%)
132/1195 (11.0%)
353/2927 (12.1%)
106/1162 (9.1%)
Risk Category
Secondary Prevention Cohort
Primary Prevention Cohort
0.410.72 (0.63–0.82)
0.81 (0.62–1.06)
489/2893 (16.9%)
117/1197 (9.8%)
361/2892 (12.5%)
98/1197 (8.2%)
0.2 0.6 1.0 1.4 1.8
Icosapent Ethyl Better Placebo Better
Baseline Triglycerides ≥150 vs <150 mg/dL
Triglycerides ≥150 mg/dL
Triglycerides <150 mg/dL
0.68421/3674 (11.5%)
38/412 (9.2%)
0.74 (0.65–0.84)
0.66 (0.44–0.99)
546/3660 (14.9%)
60/429 (14.0%)
Subgroup HR (95% CI) Int
P Val
Placebo
n/N (%)
Icosapent Ethyl
n/N (%)
Hazard Ratio
(95% CI)
Key Secondary End Point in Subgroups
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Endpoint
Primary Composite (ITT)
Key Secondary Composite (ITT)
Cardiovascular Death orNonfatal Myocardial Infarction
Fatal or Nonfatal Myocardial Infarction
Urgent or Emergent Revascularization
Cardiovascular Death
Hospitalization for Unstable Angina
Fatal or Nonfatal Stroke
Total Mortality, Nonfatal MyocardialInfarction, or Nonfatal Stroke
Placebo
n/N (%)
901/4090 (22.0%)
606/4090 (14.8%)
507/4090 (12.4%)
355/4090 (8.7%)
321/4090 (7.8%)
213/4090 (5.2%)
157/4090 (3.8%)
134/4090 (3.3%)
690/4090 (16.9%)
Icosapent Ethyl
n/N (%)
705/4089 (17.2%)
459/4089 (11.2%)
392/4089 (9.6%)
250/4089 (6.1%)
216/4089 (5.3%)
174/4089 (4.3%)
108/4089 (2.6%)
98/4089 (2.4%)
549/4089 (13.4%)
Hazard Ratio (95% CI)
0.75 (0.68–0.83)
0.74 (0.65–0.83)
0.75 (0.66–0.86)
0.69 (0.58–0.81)
0.65 (0.55–0.78)
0.80 (0.66–0.98)
0.68 (0.53–0.87)
0.72 (0.55–0.93)
0.77 (0.69–0.86)
P-value
<0.001
<0.001
<0.001
<0.001
<0.001
0.03
0.002
0.01
<0.001
Hazard Ratio
(95% CI)
1.4
Icosapent Ethyl Better Placebo Better
0.4 1.0
Prespecified Hierarchical TestingRRR
RRR denotes relative risk reduction
23%
28%
32%
20%
35%
31%
25%
26%
25%
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.Bhatt DL. AHA 2018, Chicago.
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Total Mortality 0.87 (0.74–1.02) 0.09
Endpoint
Primary Composite (ITT)
Key Secondary Composite (ITT)
Cardiovascular Death orNonfatal Myocardial Infarction
Fatal or Nonfatal Myocardial Infarction
Urgent or Emergent Revascularization
Cardiovascular Death
Hospitalization for Unstable Angina
Fatal or Nonfatal Stroke
Total Mortality, Nonfatal MyocardialInfarction, or Nonfatal Stroke
310/4090 (7.6%)
Placebo
n/N (%)
901/4090 (22.0%)
606/4090 (14.8%)
507/4090 (12.4%)
355/4090 (8.7%)
321/4090 (7.8%)
213/4090 (5.2%)
157/4090 (3.8%)
134/4090 (3.3%)
690/4090 (16.9%)
274/4089 (6.7%)
Icosapent Ethyl
n/N (%)
705/4089 (17.2%)
459/4089 (11.2%)
392/4089 (9.6%)
250/4089 (6.1%)
216/4089 (5.3%)
174/4089 (4.3%)
108/4089 (2.6%)
98/4089 (2.4%)
549/4089 (13.4%)
Hazard Ratio (95% CI)
0.75 (0.68–0.83)
0.74 (0.65–0.83)
0.75 (0.66–0.86)
0.69 (0.58–0.81)
0.65 (0.55–0.78)
0.80 (0.66–0.98)
0.68 (0.53–0.87)
0.72 (0.55–0.93)
0.77 (0.69–0.86)
P-value
<0.001
<0.001
<0.001
<0.001
<0.001
0.03
0.002
0.01
<0.001
Hazard Ratio
(95% CI)
1.4
Icosapent Ethyl Better Placebo Better
0.4 1.0
Prespecified Hierarchical TestingRRR
RRR denotes relative risk reduction
23%
28%
32%
20%
35%
31%
25%
26%
25%
13%
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REDUCE-IT Tertiary Revasc Endpoints
Revascularization Endpoint
Icosapent Ethyl n/N (%) Placebo n/N (%) Hazard Ratio (95% CI)
Coronary 376/4089 (9.2%) 544/4090 (13.3%) 0.66 (0.58, 0.76)
Emergent 41/4089 (1.0%) 65/4090 (1.6%) 0.62 (0.42, 0.92)
Urgent 181/4089 (4.4%) 268/4090 (6.6%) 0.66 (0.54, 0.79)
Elective 194/4089 (4.7%) 278/4090 (6.8%) 0.68 (0.57, 0.82)
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REDUCE-IT Tertiary Endpoints: Cardiac Arrest, SCD
Endpoint Icosapent Ethyl n/N (%) Placebo n/N (%) Hazard Ratio (95% CI)
Cardiac Arrest 22/4089 (0.5%) 42/4090 (1.0%) 0.52 (0.31, 0.86)
Sudden Cardiac
Death 61/4089 (1.5%) 87/4090 (2.1%) 0.69 (0.50, 0.96)
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018. Bhatt DL. AHA 2018, Chicago.
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Treatment-Emergent Adverse Events
Icosapent Ethyl
(N=4089)
Placebo
(N=4090) P-value
Subjects with at Least One TEAE, n (%) 3343 (81.8%) 3326 (81.3%) 0.63
Serious TEAE 1252 (30.6%) 1254 (30.7%) 0.98
TEAE Leading to Withdrawal of Study
Drug321 (7.9%) 335 (8.2%) 0.60
Serious TEAE Leading to Withdrawal of
Study Drug88 (2.2%) 88 (2.2%) 1.00
Serious TEAE Leading to Death 94 (2.3%) 102 (2.5%) 0.61
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Treatment-Emergent Adverse Eventof Interest: Serious Bleeding
Icosapent Ethyl
(N=4089)
Placebo
(N=4090) P-value
Bleeding related disorders 111 (2.7%) 85 (2.1%) 0.06
Gastrointestinal bleeding 62 (1.5%) 47 (1.1%) 0.15
Central nervous system bleeding 14 (0.3%) 10 (0.2%) 0.42
Other bleeding 41 (1.0%) 30 (0.7%) 0.19
• No fatal bleeding events in either group
• Adjudicated hemorrhagic stroke - no significant difference between treatments
(13 icosapent ethyl versus 10 placebo; P=0.55)
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Most Frequent Treatment-Emergent Adverse Events: ≥5% in Either Treatment Group and Significantly Different
Preferred Term
Icosapent Ethyl
(N=4089)
Placebo
(N=4090) P-value
Diarrhea 367 (9.0%) 453 (11.1%) 0.002
Peripheral edema 267 (6.5%) 203 (5.0%) 0.002
Constipation 221 (5.4%) 149 (3.6%) <0.001
Atrial fibrillation 215 (5.3%) 159 (3.9%) 0.003
Anemia 191 (4.7%) 236 (5.8%) 0.03
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Adjudicated Events: Hospitalization for Atrial Fibrillation or Atrial Flutter
Primary System Organ Class
Preferred Term
Icosapent
Ethyl
(N=4089)
Placebo
(N=4090) P-value
Positively Adjudicated Atrial
Fibrillation/Flutter[1] 127 (3.1%) 84 (2.1%) 0.004
Note: Percentages are based on the number of subjects randomized to each treatment group in the Safety population (N).
All adverse events are coded using the Medical Dictionary for Regulatory Activities (MedDRA Version 20.1).
[1] Includes positively adjudicated Atrial Fibrillation/Flutter clinical events by the Clinical Endpoint Committee (CEC). P value was based
on stratified log-rank test.
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Achieved Triglyceride Levels: <150 mg/dL and ≥150 mg/dL
A Primary End Point by Achieved Triglyceride Level at 1 Year
0.70 (0.60–0.81)
0.71 (0.63–0.79)
0.99 (0.84–1.16)
Hazard Ratio (95% CI):
Years since Randomization
Pati
en
ts w
ith
an
Ev
en
t (%
)
Placebo
Icosapent Ethyl Triglyceride ≥150 mg/dL
Icosapent Ethyl Triglyceride <150 mg/dL
Icosapent Ethyl Triglyceride <150 mg/dL vs Placebo
Icosapent Ethyl Triglyceride ≥150 mg/dL vs Placebo
Icosapent Ethyl Triglyceride <150 vs ≥150 mg/dL
0 1 2 3 4 5
0
20
40
60
80
90
70
50
30
10
100
B Key Secondary End Point by Achieved Triglyceride Level at 1 Year
0.66 (0.57–0.77)
0.67 (0.56–0.80)
1.00 (0.82–1.23)
Hazard Ratio (95% CI):
Years since Randomization
Pati
en
ts w
ith
an
Ev
en
t (%
)
Placebo
Icosapent Ethyl Triglyceride ≥150 mg/dL
Icosapent Ethyl Triglyceride <150 mg/dL
Icosapent Ethyl Triglyceride <150 mg/dL vs Placebo
Icosapent Ethyl Triglyceride ≥150 mg/dL vs Placebo
Icosapent Ethyl Triglyceride <150 vs ≥150 mg/dL
0 1 2 3 4 5
0
20
40
60
80
90
70
50
30
10
100
Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2018.
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Limitations
Few patients on ezetimibe
• Though data appeared consistent in that subgroup
Concomitant PCSK9 inhibitors prohibited
• Though no reason to think they are not additive
Small difference (5 mg/dL) in LDL-C between groups
• Cannot tell from this study if due to drug or placebo
• Would not account for 25% RRR
• JELIS saw 19% RRR in open label design, no placebo
• Consistent benefit in patients with LDL-C ↑ vs no LDL-C ↑
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Pending Questions
Cannot comment on mechanisms of benefit from this study
• Consistent reduction across triglyceride range (135-500)
• Similar benefit by 1-year triglycerides < or > 150 mg/dL
• Detailed biomarker and genetic analyses are planned
Cannot comment on cost-effectiveness
• Though with NNT of 21, likely cost-effective
• Formal cost-effectiveness analyses planned
• Full benefits not captured with only first events, await
recurrent and total events analyses
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Conclusions
Compared with placebo, icosapent ethyl 4g/day significantly
reduced important CV events by 25%, including:
• 20% reduction in death due to cardiovascular causes
• 31% reduction in heart attack
• 28% reduction in stroke
Low rate of adverse effects, including:
• Small but significant increase in atrial fibrillation/flutter
• Non-statistically significant increase in serious bleeding
Consistent efficacy across multiple subgroups
• Including baseline triglycerides from 135-500 mg/dL
• Including secondary and primary prevention cohorts
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L-MARCL-MARC
We thank the investigators, the study coordinators, and especially the 8,179 patients in REDUCE-IT!
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Article available at https://www.nejm.orgSlides available for download at https://professional.heart.org
or at https://www.ACC.org