dual pathway inhibition anti-thrombotic therapy: …... compass economic analysis • includes all...
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Dual Pathway Inhibition Anti-thrombotic Therapy:
COMPASS, COMPASS Sub-studies and
Secondary Analyses
John Eikelboom
ACC Rockies
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Disclosures
◆ Relationships with commercial interests:
• Grants/Research Support: Bayer, BI, BMS, Daiichi-Sankyo,
Janssen, Pfizer
• Speakers Bureau/Honoraria: Bayer, BI, BMS, Daiichi-Sankyo,
Janssen, Pfizer
◆ Employment:
• Hamilton Health Sciences and McMaster University; I work at an
anticoagulation clinic
◆ Government grants:
• CIHR, HSF, NIF, NHMRC
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Rationale for using a dual pathway approach
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CAD and PAD populations
CAD only
72.7%
(19,918)
CAD yes
90.6% (24,824)
PAD yes
27.3% (7,470)
CAD and PAD
17.9%
(4,906)
PAD
only
9.4%
(2,564)
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MRI lesions at baseline
Patients
N
Patients with lesions
N %
Infarcts 1,760 612 34.8%
Non-lacunar 409 23.2%
Lacunar 315 17.9%
Microbleeds 1,696 497 29.3%
Cortical 307 18.1%
Subcortical 321 18.9%
Sharma M, et al. Manuscript in preparation
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COMPASS trial in patients with CAD or PAD:
Primary outcome
Eikelboom JW, et al. N Engl J Med 2017; 377: 1319-30.
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Stroke: Ischemic and hemorrhagic
Sharma M, et al. Circulation 2019 available on-line
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Prognosis of MALE by randomized treatment
◆ Rivaroxaban plus aspirin ◆ Aspirin only
0
5
10
15
20
25
30
35
40
45
Death Total Amp Mace/Total Amp
Before
After
* HR=0.89; P=0.91
0
5
10
15
20
25
30
35
40
45
Death Total Amp Mace/Total Amp
Before
After
* HR=5.97;
P=<0.0001
* HR=10.2; P=<0.0001
* HR=2.05; P=0.32
Anand SS, et al. J Am Coll Cardiol 2018; 71: 2206-15.
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Eikelboom J, et al. N Engl J Med 2017; 377: 1319-1330. Ettehad D, et al. Lancet 2016;387:957-67. CTT Collaboration. Lancet 2015;385:1397-1405;
Collins R, et al. Lancet 2016;388:2532-61. Dagenais GR, et al. Lancet. 2006; 368:581-8. Schwartz GG, et al. N Engl J Med 2018;379:2097-2107.
Zinman B, et al. N Engl J Med 2015; 373: 2117-2128.
Rivaroxaban
+ aspirin
Lipid-
lowering
(1mmol/L)
BP-
lowering
(10mm Hg)
ACE
SGLT2
inhibitor
(Empagliflozin)
PCSK9
inhibitor
(Alirocumab)
Triple
outcome-24% -21% -20% -18% -14% -14%
Death -18% -9% -13% -14% -32% -15%
Stroke -42% -15% -27% -23% +18% -27%
MI -14%* -24% -17% -18% -13% -12%
COMPASS in context of other proven secondary
prevention therapies
*Not significant
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Health Canada
September 14, 2018
Rivaroxaban 2.5mg BID in combination with 75-100mg
acetylsalicylic acid (ASA) for the prevention of stroke,
myocardial infarction, cardiovascular death, and for the
prevention of acute limb ischemia and mortality in patients
with coronary artery disease (CAD) with or without peripheral
artery disease (PAD)
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Learning Objectives
Following their participation in this activity, physicians will be
in a position to address the following questions:
1. Which patients should I treat with the COMPASS
regimen?
2. Should I be concerned about the risk of bleeding?
3. Is the COMPASS treatment regimen cost-effective?
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Possible approaches to identifying the high risk
patient
1. Effects in subgroups are consistent therefore simply
identify subgroups with the highest control event rates
2. Risk scoring system (REACH) to identify those at highest
risk
3. Regression analyses (CART) to identify those at highest
risk
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Cardiovascular disease: who derives the greatest
benefit from the COMPASS regimen?
• Polyvascular (includes PAD)
• CAD plus heart failure
• CAD plus renal impairment
• CAD plus diabetes
• Multiple risk factors
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Heart Failure: Mild or moderate
HF, aspirin
No HF, aspirin
HF, rivaroxaban + aspirin
No HF, rivaroxaban + aspirin
p=0.28 for interaction
Cu
mu
lati
ve
ha
za
rd
Time (months)
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0 6 12 18 24 30 36
Branch K, et al. Presented at ESC-HF. clinicaltrialresults.org [accessed Aug 2018]
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Heart failure: Commander and COMPASS
Acute Decompensated HF Chronic Stable HF†
2 Year Event Rates*
1 2
24.9
20.7
4.5
2.3
25.3
21.6
5.4
3.4
All-causemortality
CV death
MI
Stroke
Placebo
3.5
1.8
2.0
0.9
4.3
2.3
2.3
1.7
All-causemortality
CV death
MI
Stroke
Aspirin Riva 2.5 BID (+ aspirin)
Zannad F et al. N Engl J Med 2018; 379: 1332-1342; Eikelboom JW et al. N Engl J Med 2017;377:1319–1330.
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Chronic Kidney Disease
R + A
(N=9152)
%
Aspirin alone
(N=9126)
%
R + A vs. Aspirin alone
RRR P (int.) ARR
CV death, stroke, MI
eGFR <60 ml/min 6.4 8.4 25%0.95
2%
eGFR ≥60 ml/min 3.5 4.5 24% 1%
Major bleeding
eGFR <60 ml/min 3.9 2.7 -47%0.30
-1.2%
eGFR ≥60 ml/min 2.9 1.6 -81% -1.3%
Net clinical benefit
eGFR <60 ml/min 7.2 8.9 21%0.89
1.7%
eGFR ≥60 ml/min 4.0 4.9 19% 0.9%
Fox KAA, et al. J Am Coll Cardiol 2019 in press
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Diabetes
R + A
(N=9152)
%
Aspirin alone
(N=9126)
%
R + A vs. Aspirin alone
RRR P (int.) ARR
CV death, stroke, MI
Diabetes 5.2 6.9 23%0.95
1.7%
No diabetes 3.5 4.5 26% 1.0%
Death
Diabetes 4.3 5.2 190.82
0.9%
No diabetes 2.9 3.5 16 0.6%
Major bleeding
Diabetes 3.2 1.9 -70%0.30
-1.2%
No diabetes 3.1 1.9 -69% -1.3%
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Cardiovascular risk factors at baseline
BP control (y/n), cholesterol control (y/n), BMI elevated (y/n),
Physical Activity (y/n), Smoking (y/n), Diabetes (y/n)
Vanassche T, et al. Manuscript in preparation
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Post MI patients (n=16,992)
Outcome Relative risk reduction
Primary endpoint 26%
CV Death 32%
MI 15%NS
Stroke 39%
Major bleeding 61%
Mortality 27%
Connolly SJ, et al. Lancet 2018; 391: 205-18.
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Learning Objectives
Following their participation in this activity, physicians will be
in a position to address the following questions:
1. Which patients should I treat with the COMPASS
regimen?
2. Should I be concerned about the risk of bleeding?
3. Is the COMPASS treatment regimen cost-effective?
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Sites of major bleeding
1.5
0.3 0.3 0.2 0.2 0.1 0.10.3
0.7
0.30.1 0.1 0.1 0.2
0.10.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Gastrointestinal ICH Skin/injectionsite
Eye Nasal Urinary Respiratory Other
Incid
en
ce (
%)
Rivaroxaban 2.5 mg bid + aspirin Aspirin
Eikelboom JW, et al. Manuscript in preparation
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Association between GI bleeding and GI cancer
PopulationTotal
N
New GI cancers
(n=307) HR
(95% CI)P value
N %
GI bleeding
After bleeding 901* 70 7.8 12.9
(9.77-17.0)<0.0001
No prior bleeding 27,395 237 0.9
Non-GI bleeding
After bleeding 1,898* 29 1.5 1.77
(1.20-2.61)0.004
No prior bleeding 27,395 278 1.0
*Excludes patients with bleeding who were diagnosed with cancer before the bleeding event
Eikelboom JW, et al. Manuscript in preparation
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Summary of bleeding
• Front loaded (mainly in the first year)
• Gastrointestinal (no increase in intracranial or fatal)
• Treated the same as bleeding on aspirin (proportion of
those needing blood or platelets was no different)
• One in 13 patients with any gastrointestinal bleeding were
diagnosed with a new cancer
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Learning Objectives
Following their participation in this activity, physicians will be
in a position to address the following questions:
1. Which patients should I treat with the COMPASS
regimen?
2. Should I be concerned about the risk of bleeding?
3. Is the COMPASS treatment regimen cost-effective?
![Page 25: Dual Pathway Inhibition Anti-thrombotic Therapy: …... COMPASS economic analysis • Includes all cardiovascular events (excludes non-cardiovascular events) • Costs are direct medical](https://reader030.vdocuments.site/reader030/viewer/2022040717/5e24e89fa6853476931e8108/html5/thumbnails/25.jpg)
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COMPASS economic analysis
• Includes all cardiovascular events (excludes non-
cardiovascular events)
• Costs are direct medical costs consumed in hospital
• Events and procedures (DRG approach)
• Strokes and limb amputations incur costs beyond the event itself
(1 year perspective)
• Unit costs from the following countries:
• Canada, France, Germany
• Events and resources from all patients are applied to each
country using their specific unit costs
Lamy A, et al. Presented at American Heart Association meeting. Anaheim, California, November 2017.
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COMPASS economic analysis
• All costs converted to US dollars ($USD)
• Costs of rivaroxaban:
➢ Canada: $2.39 USD/day
➢ France: $3.18 USD/day
➢ Germany $3.18 USD/day
Lamy A, et al. Presented at American Heart Association meeting. Anaheim, California, November 2017.
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Life-time cost-effectiveness: overall and subgroups
Lamy A, et al. Presented at American Heart Association meeting. Anaheim, California, November 2017.
Canada France Germany
COMPASS All Patients $4,438 $8,216 $8,189
CAD only $6,222 $9,908 $9,995
PAD Only $2,822 $3,989 $3,551
PAD DOMINANT $3,108 $2,795
Previous MI & diabetes $5,427 $9,227 $9,276
Previous MI & HF $3,605 $7,070 $7,151
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Summary
• In patients with chronic CAD or PAD, rivaroxaban plus
aspirin compared with aspirin:
• Reduces CV death, stroke, or MI by about one-quarter
• Reduces MALE, the most feared complication of PAD by about
one-half
• Greatest benefit is patients with polyvascular disease; CAD
with mild/mod heart failure, diabetes, or CKD; and those
with multiple CV risk factors
• Increased bleeding is mostly GI, front-loaded, and
unmasks underlying GI cancers