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Deepak L. Bhatt, MD, MPH, Ph. Gabriel Steg, MD, Michael Miller, MD,

Effects of Icosapent Ethyl on Total Ischemic Events – Further Insights from the Redu ction of C ardiovascular E vents with Icosapent Ethyl– I ntervention T rial. Deepak L. Bhatt, MD, MPH, Ph. Gabriel Steg, MD, Michael Miller, MD,

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Deepak L. Bhatt, MD, MPH, Ph. Gabriel Steg, MD, Michael Miller, MD,

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  1. Effects of Icosapent Ethyl on Total Ischemic Events – Further Insights from the 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, John Gregson, PhD, Stuart J. Pocock, PhD, Christie M. Ballantyne, MD, on Behalf of the REDUCE-IT Investigators

  2. Disclosures • Dr. Christie M. Ballantyne discloses the following relationships: Consulting fees from AstraZeneca, Eli Lilly, MatinasBioPharma, Merck, Boehringer Ingelheim, Novo Nordisk, DenkaSeiken, and Gilead; grant support (paid to his institution) and consulting fees from Amarin, Amgen, Esperion, Novartis, Regeneron, Sanofi-Synthelabo, and Akcea. • This presentation includes off-label and/or investigational uses of drugs. • REDUCE IT was sponsored by Amarin Pharma, Inc.

  3. 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 (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 Independent Academic Statistical Analysis Stuart J. Pocock PhD, John Gregson PhD

  4. REDUCE-IT Design Screened N=19,212 Randomized N=8179 (43% of screened) Median trial follow up duration was 4.9 years Icosapent Ethyl 4 grams/day N=4089 Placebo N=4090 Known vital status 4083 (99.9%) Known vital status 4077 (99.7%) Primary Endpoint Events: CV death, nonfatal MI, nonfatal stroke, coronary revasc, hospitalization for unstable angina Key Secondary Endpoint Events: CV death, nonfatal MI, nonfatal stroke Double-blind study; Events adjudicated by CEC that was blinded to treatment during adjudication Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2019; 380:11-22.

  5. REDUCE-IT Design Screened N=19,212 Randomized N=8179 (43% of screened) Median trial follow up duration was 4.9 years Icosapent Ethyl 4 grams/day N=4089 Placebo N=4090 Known vital status 4083 (99.9%) Known vital status 4077 (99.7%) Primary Endpoint Events: CV death, nonfatal MI, nonfatal stroke, coronary revasc, hospitalization for unstable angina Key Secondary Endpoint Events: CV death, nonfatal MI, nonfatal stroke Double-blind study; Events adjudicated by CEC that was blinded to treatment during adjudication Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2019; 380:11-22.

  6. Primary End Point:CV Death, MI, Stroke, Coronary Revasc, Unstable Angina 30 28.3% Hazard Ratio, 0.75 (95% CI, 0.68–0.83) RRR = 24.8% 20 Placebo 23.0% ARR = 4.8% Patients with an Event (%) NNT = 21 (95% CI, 15–33) P=0.00000001 Icosapent Ethyl 10 0 0 1 2 3 4 5 Years since Randomization Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2019; 380:11-22. Bhatt DL. AHA 2018, Chicago.

  7. Key Secondary End Point:CV Death, MI, Stroke 30 Hazard Ratio, 0.74 (95% CI, 0.65–0.83) 20.0% RRR = 26.5% 20 ARR = 3.6% Placebo Patients with an Event (%) NNT = 28 (95% CI, 20–47) P=0.0000006 16.2% 10 Icosapent Ethyl 0 0 1 2 3 4 5 Years since Randomization Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2019; 380:11-22. Bhatt DL. AHA 2018, Chicago.

  8. Prespecified Hierarchical Testing Endpoint Icosapent Ethyl Placebo Hazard Ratio (95% CI) P-value RRR Hazard Ratio (95% CI) n/N (%) n/N (%) 705/4089 (17.2%) 901/4090 (22.0%) 0.75 (0.68–0.83) <0.001 Primary Composite (ITT) 20% 25% 26% 23% 35% 25% 28% 13% 32% 31% 459/4089 (11.2%) 606/4090 (14.8%) 0.74 (0.65–0.83) <0.001 Key Secondary Composite (ITT) Cardiovascular Death or Nonfatal Myocardial Infarction 392/4089 (9.6%) 507/4090 (12.4%) 0.75 (0.66–0.86) <0.001 250/4089 (6.1%) 355/4090 (8.7%) 0.69 (0.58–0.81) <0.001 Fatal or Nonfatal Myocardial Infarction 216/4089 (5.3%) 321/4090 (7.8%) 0.65 (0.55–0.78) <0.001 Urgent or Emergent Revascularization 174/4089 (4.3%) 213/4090 (5.2%) 0.80 (0.66–0.98) 0.03 Cardiovascular Death 108/4089 (2.6%) 157/4090 (3.8%) 0.68 (0.53–0.87) 0.002 Hospitalization for Unstable Angina 98/4089 (2.4%) 134/4090 (3.3%) 0.72 (0.55–0.93) 0.01 Fatal or Nonfatal Stroke Total Mortality, Nonfatal Myocardial Infarction, or Nonfatal Stroke 549/4089 (13.4%) 690/4090 (16.9%) 0.77 (0.69–0.86) <0.001 274/4089 (6.7%) 310/4090 (7.6%) 0.87 (0.74–1.02) 0.09 Total Mortality 0.4 1.0 1.4 Icosapent Ethyl Better Placebo Better Bhatt DL, Steg PG, Miller M, et al. N Engl J Med. 2019; 380:11-22. Bhatt DL. AHA 2018, Chicago.

  9. Methods – Subsequent and Total Events First events were significantly reduced, including CV death • However, patients with non-fatal events are at increased risk for subsequent ischemic events Multiple validated statistical models used to examine subsequent events • Negative binomial regression (prespecified) • Andersen-Gill (prespecified) • Wei-Lin-Weissfeld with Li and Lagakos modification (prespecified) • Joint-frailty (post hoc) • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  10. Key Baseline Characteristics *Baseline TG calculated as average of final screening TG and subsequent TG value from date of randomization. • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019. Bhatt DL. ACC 2019, New Orleans.

  11. Key Medical Therapy Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  12. Proportions of First and Subsequent Events FirstEvents n=1,606 55% Total N=2,909 Adjudicated Events Full Dataset • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  13. Proportions of First and Subsequent Events FirstEvents n=1,606 55% CoronaryRevascularizationn=415 26% Fatal orNonfatal MIn=532 33% Fatal or Nonfatal Stroken=184 12% Total N=2,909 Adjudicated Events Full Dataset Hospitalization for Unstable Anginan=214 13% Cardiovascular Deathn=261 16% First Events • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  14. Proportions of First and Subsequent Events FirstEvents n=1,606 55% SubsequentEvents n=1,303 45% CoronaryRevascularizationn=415 26% Fatal orNonfatal MIn=532 33% Fatal or Nonfatal Stroken=184 12% Total N=2,909 Adjudicated Events Full Dataset Hospitalization for Unstable Anginan=214 13% Cardiovascular Deathn=261 16% First Events Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  15. Proportions of First and Subsequent Events FirstEvents n=1,606 55% SubsequentEvents n=1,303 45% CoronaryRevascularizationn=415 26% CoronaryRevascularizationn=789 60% Fatal orNonfatal MIn=532 33% Fatal or Nonfatal Stroken=78 6% Fatal or Nonfatal Stroken=184 12% Cardiovascular Deathn=126 10% Total N=2,909 Adjudicated Events Full Dataset Fatal orNonfatal MIn=225 17% Hospitalization for Unstable Anginan=85 7% Hospitalization for Unstable Anginan=214 13% Cardiovascular Deathn=261 16% First Events Subsequent Events Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  16. Event Counts Events on the Same Day: • To improve model performance an event-bundling approach was employed • Nonfatal events occurring on the same day as a CV death were excluded and, at most, one nonfatal event was counted on any given day • Analyses using this approach are identified as using the “Reduced Dataset” – a more conservative approach • Results are qualitatively very similar to our prespecified approach using the “Full Dataset” • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  17. First and Subsequent Events Number of Primary Composite EndpointEvents 1,600 No. of Fewer 1,400 Cases 1,200 1,000 800 600 901 1stEvents HR0.75 • (95% CI,0.68-0.83) • P=0.000000016 400 705 -196 200 0 IcosapentEthyl [N=4089] Placebo [N=4090] 1st 2nd 3rd ≥4 Reduced Dataset Event No. Note: WLW method for the 1st events, 2nd events, and 3rd events categories; Negative binomial model for ≥4th events and overall treatment comparison. • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  18. First and Subsequent Events Number of Primary Composite EndpointEvents 1,600 No. of Fewer 1,400 Cases 1,200 376 1,000 2ndEvents HR0.68 (95% CI,0.60-0.78) 236 -140 800 600 901 1stEvents HR0.75 • (95% CI,0.68-0.83) P=0.000000016 400 705 -196 200 0 IcosapentEthyl [N=4089] Placebo [N=4090] 1st 2nd 3rd ≥4 Reduced Dataset Event No. Note: WLW method for the 1st events, 2nd events, and 3rd events categories; Negative binomial model for ≥4th events and overall treatment comparison. • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  19. First and Subsequent Events Number of Primary Composite EndpointEvents 1,600 No. of Fewer 1,400 143 Cases 3rdEvents HR0.69 (95% CI,0.59-0.82) 1,200 376 -63 -71 1,000 72 2ndEvents HR0.68 (95% CI,0.60-0.78) 236 -140 800 600 901 1stEvents HR0.75 • (95% CI,0.68-0.83) P=0.000000016 400 705 -196 200 0 IcosapentEthyl [N=4089] Placebo [N=4090] 1st 2nd 3rd ≥4 Reduced Dataset Event No. Note: WLW method for the 1st events, 2nd events, and 3rd events categories; Negative binomial model for ≥4th events and overall treatment comparison. • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  20. First and Subsequent Events Number of Primary Composite EndpointEvents 1,600 ≥4Events RR0.52 (95% CI,0.38-0.70) No. of 126 Fewer 1,400 143 Cases 3rdEvents HR0.69 (95% CI,0.59-0.82) 1,200 376 -63 -71 63 1,000 72 2ndEvents HR0.68 (95% CI,0.60-0.78) 236 -140 800 600 901 1stEvents HR0.75 • (95% CI,0.68-0.83) P=0.000000016 400 705 -196 200 0 IcosapentEthyl [N=4089] Placebo [N=4090] 1st 2nd 3rd ≥4 Reduced Dataset Event No. Note: WLW method for the 1st events, 2nd events, and 3rd events categories; Negative binomial model for ≥4th events and overall treatment comparison. • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  21. First and Subsequent Events RR0.70 (95% CI,0.62-0.78) P=0.00000000036 30% Reduction in Total Events Number of Primary Composite EndpointEvents 1,546 1,600 ≥4Events RR0.52 (95% CI,0.38-0.70) No. of 126 Fewer 1,400 143 Cases 3rdEvents HR0.69 (95% CI,0.59-0.82) 1,200 1,076 -470 376 -63 -71 63 1,000 72 2ndEvents HR0.68 (95% CI,0.60-0.78) 236 -140 800 600 901 1stEvents HR0.75 • (95% CI,0.68-0.83) P=0.000000016 400 705 -196 200 0 IcosapentEthyl [N=4089] Placebo [N=4090] 1st 2nd 3rd ≥4 Reduced Dataset Event No. Note: WLW method for the 1st events, 2nd events, and 3rd events categories; Negative binomial model for ≥4th events and overall treatment comparison. • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  22. Adherence • As is common in long-term trials, study drug adherence waned over time • Despite this, there was strong sustained treatment effect on total events P=NS for all 4 comparisons 81.8% 81.3% 79.7% 79.5% 74.1% 71.6% 68.0% 68.1% Percent of Patients on Study Drug First Event Third Event Second Event Fourth Event Icosapent Ethyl Placebo Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019. Bhatt DL. ACC 2019, New Orleans.

  23. Total (First and Subsequent) EventsPrimary: CV Death, MI, Stroke, Coronary Revasc, Unstable Angina Primary CompositeEndpoint 0.6 Cummulative Events perPatient Placebo: Total Events Icosapent Ethyl: TotalEvents Placebo:First Events Icosapent Ethyl: FirstEvents RR,0.70 (95% CI,0.62–0.78) • P=0.00000000036 0.5 0.4 HR,0.75 (95% CI,0.68–0.83) • P=0.00000001 0.3 0.2 0.1 0.0 0 1 2 3 4 5 Years sinceRandomization • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  24. Total (First and Subsequent) EventsKey Secondary: CV Death, MI, Stroke Key Secondary Composite Endpoint RR,0.72 (95% CI,0.63–0.82) • P=0.00000071 0.3 Cummulative Events perPatient Placebo: Total Events Icosapent Ethyl: TotalEvents Placebo:First Events Icosapent Ethyl: FirstEvents HR,0.74 (95% CI,0.65–0.83) • P=0.0000006 0.2 0.1 0.0 0 1 2 3 4 5 Years sinceRandomization • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  25. Total Primary and Key Secondary Composite Endpoint Events and First, Second, and Third Occurrences 0.5 0.8 1.0 IcosapentEthyl Better Placebo Better Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  26. Primary Composite Endpoint:Total Endpoint Events by Baseline TG Tertiles 0.2 0.6 1.0 1.4 1.8 IcosapentEthyl Better PlaceboBetter *P (interaction) = 0.17 • Bhatt DL. ACC 2019, New Orleans.

  27. Limitations The “Reduced Dataset” was post hoc • Though the prespecified “Full Dataset” produces effect sizes at least as large, and more extreme p values The joint frailty model was post hoc • Though all other models used were prespecified, with consistent results Cannot formally comment on cost-effectiveness • Likely cost-effective given large reduction in total events • These data will provide critical information for cost-effectiveness analyses now underway • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019. Bhatt DL. ACC 2019, New Orleans.

  28. Conclusions Compared with placebo, icosapent ethyl 4g/day significantly reduced total cardiovascular events by 30%, including: • 25% reduction in first cardiovascular events • 32% reduction in second cardiovascular events • 31% reduction in third cardiovascular events • 48% reduction in fourth or more cardiovascular events • Analysis of first, recurrent, and total events demonstrates the large burden of ischemic events in statin-treated patients with baseline triglycerides > ~100 mg/dL and the potential role of icosapent ethyl in reducing this residual risk • Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019. Bhatt DL. ACC 2019, New Orleans.

  29. For Every 1000 Patients Treated with Icosapent Ethyl for 5 Years: 0 -12 Cardiovascular Death -50 -100 Risk Difference -150 -200 Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  30. For Every 1000 Patients Treated with Icosapent Ethyl for 5 Years: 0 -12 -42 Cardiovascular Death -50 Fatal or Nonfatal MI -100 Risk Difference -150 -200 Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  31. For Every 1000 Patients Treated with Icosapent Ethyl for 5 Years: 0 -12 -14 -42 Cardiovascular Death Fatal or Nonfatal Stroke -50 Fatal or Nonfatal MI -100 Risk Difference -150 -200 Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  32. For Every 1000 Patients Treated with Icosapent Ethyl for 5 Years: 0 -12 -14 -42 Cardiovascular • Death Fatal or • Nonfatal Stroke -76 -50 Fatal or • Nonfatal MI Coronary • Revascularization -100 Risk Difference -150 -200 Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  33. For Every 1000 Patients Treated with Icosapent Ethyl for 5 Years: 0 -12 -14 -16 -42 Cardiovascular • Death Fatal or • Nonfatal Stroke Hospitalization • for Unstable • Angina -76 -50 Fatal or • Nonfatal MI Coronary • Revascularization -100 Risk Difference -150 -200 Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  34. For Every 1000 Patients Treated with Icosapent Ethyl for 5 Years: 0 -12 -14 -16 -42 Cardiovascular • Death Fatal or • Nonfatal Stroke Hospitalization • for Unstable • Angina -76 -50 Fatal or • Nonfatal MI Coronary • Revascularization -159 -100 Risk Difference -150 Primary Composite Endpoint -200 Bhatt DL, Steg PG, Miller M, et al.J Am Coll Cardiol.2019.

  35. We thank the investigators, the study coordinators, and especially the 8,179 patients in REDUCE-IT! L-MARC L-MARC

  36. Article available at http://doi.org/10.1016/j.jacc.2019.02.032 Slides available for download at www.lipid.org

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