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Effect of age on ef...
Effect of age on efficacy and safety of vorapaxar in patients with non-ST-segment elevation acute coronary syndrome : Insights from the Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome (TRACER) trial
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- Armaganijan, Luciana V. (författare)
- Brazilian Clin Res Inst, Sao Paulo, Brazil.
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- Alexander, Karen P. (författare)
- Duke Clin Res Inst, Durham, NC USA.
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- Huang, Zhen (författare)
- Duke Clin Res Inst, Durham, NC USA.
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- Tricoci, Pierluigi (författare)
- Duke Clin Res Inst, Durham, NC USA.
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- Held, Claes (författare)
- Uppsala universitet,Kardiologi,Uppsala kliniska forskningscentrum (UCR)
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- Van de Werf, Frans (författare)
- Univ Hosp Leuven, Dept Cardiol, Leuven, Belgium.
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- Armstrong, Paul W. (författare)
- Univ Alberta, Edmonton, AB, Canada.
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- Aylward, Philip E. (författare)
- Flinders Univ & Med Ctr, South Australian Hlth & Med Res Inst, Adelaide, SA, Australia.
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- White, Harvey D. (författare)
- Green Lane Cardiovasc Serv, Auckland, New Zealand.
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- Moliterno, David J. (författare)
- Gill Heart Inst, Lexington, KY USA.;Univ Kentucky, Lexington, KY USA.
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- Wallentin, Lars (författare)
- Uppsala universitet,Kardiologi,Uppsala kliniska forskningscentrum (UCR)
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- Chen, Edmond (författare)
- Bayer HealthCare Pharmaceut Inc, Whippany, NJ USA.
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- Harrington, Robert A. (författare)
- Stanford Univ, Dept Med, Stanford, CA 94305 USA.
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- Strony, John (författare)
- Johnson & Johnson, New Brunswick, NJ USA.
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- Mahaffey, Kenneth W. (författare)
- Stanford Univ, Dept Med, Stanford, CA 94305 USA.
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- Lopes, Renato D. (författare)
- Duke Clin Res Inst, Durham, NC USA.
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Brazilian Clin Res Inst, Sao Paulo, Brazil Duke Clin Res Inst, Durham, NC USA. (creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: American Heart Journal. - : Elsevier BV. - 0002-8703 .- 1097-6744. ; 178, s. 176-184
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Background Antithrombotic therapy plays an important role in the treatment of non-ST-segment elevation acute coronary syndromes (NSTE ACS) but is associated with bleeding risk. Advanced age may modify the relationship between efficacy and safety. Methods Efficacy and safety of vorapaxar (a protease-activated receptor 1 antagonist) was analyzed across ages as a continuous and a categorical variable in the 12,944 patients with NSTE ACS enrolled in the TRACER trial. To evaluate the effect of age, Cox regression models were developed to estimate hazard ratios (HRs) with the adjustment of other baseline characteristics and randomized treatment for the primary efficacy composite of cardiovascular death, myocardial infarction (MI), stroke, recurrent ischemia with rehospitalization, or urgent coronary revascularization, and the primary safety composite of moderate or severe Global Use of Strategies to Open Occluded Coronary Arteries (GUSTO) bleeding. Results The median age of the population was 64 years (25th, 75th percentiles = 58, 71). Also, 1,791 patients (13.8%) were <= 54 years of age, 4,968 (38.4%) were between 55 and 64 years, 3,979 (30.7%) were between 65 and 74 years, and 2,206 (17.1%) were 75 years or older. Older patients had higher rates of hypertension, renal insufficiency, and previous stroke and worse Killip class. The oldest age group (>= 75 years) had substantially higher 2-year rates of the composite ischemic end point and moderate or severe GUSTO bleeding compared with the youngest age group (<= 54 years). The relationships between treatment assignment (vorapaxar vs placebo) and efficacy outcomes did not vary by age. For the primary efficacy end point, the HRs (95% CIs) comparing vorapaxar and placebo in the 4 age groups were as follows: 1.12 (0.88-1.43), 0.88 (0.76-1.02), 0.89 (0.76-1.04), and 0.88 (0.74-1.06), respectively (P value for interaction = .435). Similar to what was observed for efficacy outcomes, we did not observe any interaction between vorapaxar and age on bleeding outcomes. For the composite of moderate or severe bleeding according to the GUSTO classification, the HRs (95% CIs) comparing vorapaxar and placebo in the 4 age groups were 1.73 (0.89-3.34), 1.39 (1.04-1.86), 1.10 (0.85-1.42), and 1.73 (1.29-2.33), respectively (P value for interaction = .574). Conclusion Older patients had a greater risk for ischemic and bleeding events; however, the efficacy and safety of vorapaxar in NSTE ACS were not significantly influenced by age.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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Armaganijan, Luc ...
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Alexander, Karen ...
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Huang, Zhen
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Tricoci, Pierlui ...
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Held, Claes
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Van de Werf, Fra ...
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Armstrong, Paul ...
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Aylward, Philip ...
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White, Harvey D.
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Moliterno, David ...
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Wallentin, Lars
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Chen, Edmond
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Harrington, Robe ...
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Strony, John
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Mahaffey, Kennet ...
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Lopes, Renato D.
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