Oral Anticoagulation: 65 Years of Achievement Freek W.A. Verheugt - - PowerPoint PPT Presentation

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Oral Anticoagulation: 65 Years of Achievement Freek W.A. Verheugt - - PowerPoint PPT Presentation

Oral Anticoagulation: 65 Years of Achievement Freek W.A. Verheugt Department of Cardiology, Onze Lieve Vrouwe Gasthuis (OLVG) Amsterdam, The Netherlands D ISCLOSURES FOR F REEK W. A. V ERHEUGT Research support/ Bayer HealthCare, Boehringer


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Oral Anticoagulation: 65 Years of Achievement

Freek W.A. Verheugt

Department of Cardiology, Onze Lieve Vrouwe Gasthuis (OLVG) Amsterdam, The Netherlands

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Research support/ principal investigator Bayer HealthCare, Boehringer Ingelheim, Eli Lilly and Roche Consultant Bayer Healthcare, Eli Lilly, Daiichi-Sankyo, and Merck Speakers’ bureau none Honoraria Bayer Healthcare, Eli Lilly, Daiichi-Sankyo and Merck Scientific advisory board AstraZeneca and Cardialysis B.V.

DISCLOSURES FOR FREEK W. A. VERHEUGT

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SLIDE 3

Alterations of vessel wall

Virchow‘s Triad of Thrombogenesis

Virchow R .Zur pathologischen Physiologie des Blutes. Virch Arch 1847; I::546

Rudolf Virchow – Charité Berlin (1821-1902)

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SLIDE 4

Wisconsin Alumni Research Foundation COUMARIN

“In 1941, Karl Paul Link successfully isolated the anticoagulant factor, which initially found commercial application as a rodent-killer. Warfarin is now one of the most widely prescribed medicines in the world.”

1933 - A dead Cow and Blood that would not Clot

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SLIDE 5

Ann Intern Med 1949;30:80-91

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Ann Intern Med 1949;30:80-91

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SLIDE 7

BMJ 1959 (5125);ii:804-810

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SLIDE 8

BMJ 1964;ii:837-843

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Acta Med Scand 1967;182:549-566

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Acta Med Scand 1967;182:549-566

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Acta Med Scand 1967;182:549-566

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Lancet 1980;ii:989-994

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Lancet 1980;ii:989-994

n = 878

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  • WARIS. N Engl J Med 1990;323:147-152

n = 1,214

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SLIDE 15
  • ASPECT. Lancet 1994;343:499-503

n = 3,404

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primary endpoint (death, reMI, stroke) mortality

ASPECT-2. Lancet 2002:360:109-113

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WARIS-2. N Engl J Med 2002; 347:969-974

n = 3,630

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ESTEEM : death, MI or stroke

2 4 6 8 10 12 14 30 60 90 120 150 180 Days after randomization 7.4 11.1 ximelagatran (alle doses) vs placebo: HR=0.66 (0.48; 0.90), p=0.0105

placebo (n = 638) alle doses ximelagatran (n = 1.245)

Lancet 2003;362:789-797

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SLIDE 19
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ATLAS ACS 2 TIMI 51: A randomized, double-blind, event-driven phase III trial in patients hospitalized with ACS

ASA dose: 75–100 mg, prior stroke excluded

Event-driven study – 983 events

Physician's decision whether or not to add thienopyridine

N=15,526*

Rivaroxaban 2.5 mg bid (n=349) Stratum 1: ASA alone (7%) Stratum 2: ASA + thienopyridine (93%) Placebo (n=355) Rivaroxaban 5 mg bid (n=349) Rivaroxaban 2.5 mg bid (n=4825) Rivaroxaban 5 mg bid (n=4827) Placebo (n=4821) YES NO

N Engl J Med 2012;366:9–19

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ATLAS ACS 2 TIMI 51: Rivaroxaban (combined doses) reduced the primary efficacy endpoint vs placebo

Months after randomization HR=0.84 (95% CI 0.74–0.96) ARR=1.8% mITT p=0.008 ITT p=0.002 NNT=56 10.7% 8.9% 2-year Kaplan–Meier estimate Estimated cumulative rate (%) Rivaroxaban Placebo 12 15 10 8 6 4 2 21 12 9 3 24 Primary efficacy endpoint (CV death/MI/stroke) Combined rivaroxaban doses, both strata 6 18 N Engl J Med 2012;366:9–19

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ATLAS ACS 2 TIMI 51: Rivaroxaban 2.5 mg bid significantly reduced CV events and death

The primary efficacy endpoint reduction was driven by reduced mortality

Cardiovascular death All-cause death CV death/MI/stroke (primary efficacy endpoint)

5 13

Months NNT=71

24

4.1% 2.7% Placebo Rivaroxaban 2.5 mg bid HR=0.66 mITT p=0.002 ITT p=0.005

18 12 6 5

Months 4.5% 2.9%

24

Placebo Rivaroxaban 2.5 mg bid HR=0.68 mITT p=0.002 ITT p=0.004

18 12 6

NNT=63 Months Cumulative incidence (%) HR=0.84 mITT p=0.02 ITT p=0.007 10.7% 9.1% Rivaroxaban 2.5 mg bid Placebo

24 18 12 6

NNT=63 N Engl J Med 2012;366:9–19

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ATLAS ACS 2 TIMI 51: Rivaroxaban did not increase fatal bleeding or fatal ICH versus placebo

*p=0.04 vs placebo; #p=0.005 vs placebo; ‡p<0.001 vs placebo.

  • 1. Mega et al, N Engl J Med 2012;366:9–19;
  • 2. Gibson et al, AHA 2011 (www.clinicaltrialresults.org)

Rivaroxaban vs placebo p=NS Rivaroxaban vs placebo p=NS

*

# ‡ ‡

(principal safety outcome)

NNH = 575

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ATLAS ACS 2 TIMI 51: Rivaroxaban significantly reduced stent thrombosis

2-year Kaplan–Meier estimate HR=0.69 (95% CI 0.51–0.93) RRR=31% mITT p=0.02 ITT p=0.008 2.9% 2.3% Months after randomization Rivaroxaban Placebo Estimated cumulative incidence (%) 2 3 6 12 15 24 21 ARC definite/probable: HR=0.65, mITT p=0.02, ITT p=0.01 3 1 18 9 Combined rivaroxaban doses, both strata

Gibson CM . J Am Coll Cardiol 2013;62:286–290

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trial f/u (m) NOAC placebo NNT APPRAISE-2 8 0.9 1.3 250 ATLAS-21 13 2.3 2.9 250 stent thrombosis (%) n 7,392 15,526 RR 95% CI) 0.73 (0.47 - 1.12)* 0.69 (0.51 - 0.93)**

STENT THROMBOSIS WITH NOACS AFTER ACS

reported

1 both doses *

p = 0.15

** p = 0.02

Verheugt FWA. Eur Heart J 2013;34:1618-1620

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All comers ACS with ASA

GEMINI ACS-1

(n = 3,000) primary safety endpoint: TIMI major, TIMI minor, CRNM bleeding in CCU discretion MD clopidogrel ticagrelor

day 1-4

R R

ASA 100mg riva 2.5 mg bid ticagrelor ticagrelor secondary efficacy endpoint: death, MI, stroke + + NCT02293395 follow-up: 6 months ASA 100mg riva 2.5 mg bid clopidogrel clopidogrel + +

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Riva 5 mg bid Riva 2.5 mg bid + ASA 100 mg qd ASA 100 mg qd PPI no PPI PPI no PPI PPI no PPI

CAD without indication for DAPT*,or PAD after 3w ASA run-in

COMPASS

(n = 27,400) primary efficacy endpoint: CV death/MI/ischemic stroke safety endpoint: ISTH major bleeding *previous MI , or *CAG > 1vd, or *PCI > 1 vessel, or *CABG > 1 vessel > 4yr

30d washout 30d washout 30d washout

Substudies: COMPASS CABG (n = 2,000) and COMPASS MIND (n = 1,500)

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SPINAF Relative risk reduction of stroke (95% CI) 100 50

  • 50
  • 100

warfarin worse warfarin better 62% (48% to 72%)

Warfarin vs nil

AFASAK I SPAF BAATAF CAFA EAFT All trials=6

Lip GY. BMJ 2002;325:1022-1025

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Clot

Intrinsic pathway Extrinsic pathway

TF Ca2+

Xa X

II IX XI XII XIIa Fibrin Fibrinogen Xa Va PL Ca2+ IIa VII XIa VIIa VIIIa Ca2+ PL IXa

Adapted from Brouwer MA, Verheugt FWA. Circulation 2002;105:1270-1274

  • ral direct Xa blocker
  • ral direct IIa blocker

direct inhibition by NOACSs formation inhibited by VKA

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ENGAGE AF-TIMI 48 ARISTOTLE ROCKET AF RE-LY Combined Favors NOAC Favors Warfarin 0.88 (0.75 - 1.02) 0.80 (0.67 - 0.95) 0.88 (0.75 - 1.03) 0.66 (0.53 - 0.82) 0.81 (0.73 - 0.91) Risk Ratio (95% CI)

p=<0.0001

0.5 1 2

All NOACS: Stroke or SEE

[Random Effects Model]

N=58,541

Heterogeneity p=0.13 [60 mg] [150 mg] Ruff CT. Lancet 2014;383:955-962

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All-Cause Mortality MI Hemorrhagic Stroke Ischemic Stroke 0.90 (0.85 - 0.95) 0.97 (0.78 - 1.20) 0.49 (0.38 - 0.64) 0.92 (0.83 - 1.02) Risk Ratio (95% CI)

p=0.0003 p=0.77 p<0.0001 p=0.10 Favors NOAC Favors Warfarin 0.2 0.5 1 2

Secondary Efficacy Outcomes

Heterogeneity p=NS for all outcomes Ruff CT. Lancet 2014;383:955-962

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ARISTOTLE ROCKET AF Combined Favors NOAC Favors Warfarin Risk Ratio (95% CI) 0.80 (0.71 - 0.90) 0.71 (0.61 - 0.81) 1.03 (0.90 - 1.18) 0.94 (0.82 - 1.07) 0.86 (0.73 - 1.00) 0.5 1 2

All NOACS: Major Bleeding

[Random Effects Model]

N=58,498

p=0.06

Heterogeneity p=0.001

RE-LY

[150 mg]

ENGAGE AF-TIMI 48

[60 mg] Ruff CT. Lancet 2014;383:955-962

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Conclusions 1

stroke prevention in atrial fibrillation

  • 1. secondary prevention after acute coronary

syndromes 2. In the past 65 years oral anticoagulation has made tremendous progress in fighting thrombosis in

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Conclusions 2 Given their complexity and risks vitamin K antagonists (VKA) are currently replaced by non- vitamin K oral anticoagulants (NOACs) for the indications usually covered by VKA