Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-61262
Alexander, J H; Lopes, R D; James, S; Kilaru, R; He, Y; Mohan, P; Bhatt, D L; Goodman, S; Verheugt, F W; Flather, M; Huber, K; Liaw, D; Husted, S E; Lopez-Sendon, J; De Caterina, R; Jansky, P; Darius, H; Vinereanu, D; Cornel, J H; Cools, F; Atar, D; Leiva-Pons, J L; Keltai, M; Ogawa, H; Pais, P; Parkhomenko, A; Ruzyllo, W; Diaz, R; White, H; Ruda, M; Geraldes, M; Lawrence, J; Harrington, R A; Wallentin, L (2011). Apixaban with antiplatelet therapy after acute coronary syndrome. New England Journal of Medicine, 365(8):699-708.
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Apixaban, an oral, direct factor Xa inhibitor, may reduce the risk of recurrent ischemic events when added to antiplatelet therapy after an acute coronary syndrome.
We conducted a randomized, double-blind, placebo-controlled clinical trial comparing apixaban, at a dose of 5 mg twice daily, with placebo, in addition to standard antiplatelet therapy, in patients with a recent acute coronary syndrome and at least two additional risk factors for recurrent ischemic events.
The trial was terminated prematurely after recruitment of 7392 patients because of an increase in major bleeding events with apixaban in the absence of a counterbalancing reduction in recurrent ischemic events. With a median follow-up of 241 days, the primary outcome of cardiovascular death, myocardial infarction, or ischemic stroke occurred in 279 of the 3705 patients (7.5%) assigned to apixaban (13.2 events per 100 patient-years) and in 293 of the 3687 patients (7.9%) assigned to placebo (14.0 events per 100 patient-years) (hazard ratio with apixaban, 0.95; 95% confidence interval [CI], 0.80 to 1.11; P=0.51). The primary safety outcome of major bleeding according to the Thrombolysis in Myocardial Infarction (TIMI) definition occurred in 46 of the 3673 patients (1.3%) who received at least one dose of apixaban (2.4 events per 100 patient-years) and in 18 of the 3642 patients (0.5%) who received at least one dose of placebo (0.9 events per 100 patient-years) (hazard ratio with apixaban, 2.59; 95% CI, 1.50 to 4.46; P=0.001). A greater number of intracranial and fatal bleeding events occurred with apixaban than with placebo.
The addition of apixaban, at a dose of 5 mg twice daily, to antiplatelet therapy in high-risk patients after an acute coronary syndrome increased the number of major bleeding events without a significant reduction in recurrent ischemic events. (Funded by Bristol-Myers Squibb and Pfizer; APPRAISE-2 ClinicalTrials.gov number, NCT00831441.).
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|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology|
|DDC:||610 Medicine & health|
|Deposited On:||15 Mar 2012 14:28|
|Last Modified:||04 Dec 2013 04:31|
|Publisher:||Massachusetts Medical Society|
|Free access at:||Publisher DOI. An embargo period may apply.|
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