Randomized comparative trial of triflusal and aspirin following acute myocardial infarction.
AIMS: To compare the efficacy and tolerability of the antiplatelet agent triflusal with aspirin in the prevention of cardiovascular events following acute myocardial infarction. METHODS AND RESULTS: In this double-blind, multicentre, sequential design study, patients were randomized within 24 h of acute myocardial infarction symptom onset to receive triflusal 600 mg or aspirin 300 mg once daily for 35 days. The primary end-point was death, non-fatal myocardial reinfarction or a non-fatal cerebrovascular event. The incidences of these individual outcomes and urgent revascularization were secondary end-points. The null hypothesis of no difference between treatments in the primary combined end-point was accepted with 80% power after recruiting 2124 validated patients (odds ratio (OR) for failure [95% confidence interval (CI)]: 0.882 [0.634-1.227]). Non-fatal cerebrovascular events were significantly less frequent with triflusal (OR [95% CI]: 0.364 [0.146-0.908]; P = 0.030). There was no significant difference between treatments for death (OR [95% CI]: 0.816 [0.564-1.179]; P = 0.278), non-fatal reinfarction (OR [95% CI]: 1.577 [0.873-2.848]; P = 0.131) or revascularization (OR [95% CI]: 0.864 [0.644-1.161]; P = 0.334). Overall, both drugs were well tolerated, although there was a trend towards fewer bleeding episodes with triflusal; significantly fewer central nervous system bleeding episodes were observed in triflusal-treated patients (0.27% vs. 0.97%; P = 0.033). CONCLUSION:Triflusal and aspirin have similar efficacy in preventing further cardiovascular events after acute myocardial infarction, but triflusal showed a more favourable safety profile. Triflusal significantly reduced the incidence of non-fatal cerebrovascular events compared with aspirin.[1]References
- Randomized comparative trial of triflusal and aspirin following acute myocardial infarction. Cruz-Fernández, J.M., López-Bescós, L., García-Dorado, D., López García-Aranda, V., Cabadés, A., Martín-Jadraque, L., Velasco, J.A., Castro-Beiras, A., Torres, F., Marfil, F., Navarro, E. Eur. Heart J. (2000) [Pubmed]
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