Efficacy and safety of ticagrelor in patients with acute coronary syndrome: A meta‐analysis of randomized controlled trials
Acute coronary syndrome (ACS) is a dangerous and urgent clinical pattern of coronary artery disease. Aspirin and adenosine diphosphate P2Y12 receptor antagonists are the standard dual anti‐platelet therapy for patients with ACS. Ticagrelor is a new oral antagonist of the adenosine diphosphate P2Y12 receptor. Randomized controlled trials (RCTs) have evaluated the efficacy and safety of ticagrelor compared to clopidogrel or prasugrel in patients with ACS, obtaining conflicting results. Thus, we conducted a meta‐analysis of these RCTs to determine the efficacy and safety of ticagrelor in patients with ACS. Results of the meta‐analysis indicate that ticagrelor decreased the risk of major adverse cardiovascular events (MACE) and all‐cause death, but increased the risk of bleeding events. In Asiatic patients, analysis indicates that ticagrelor did not decrease the risk of MACE and all‐cause death, while increasing the risk of bleeding events. Together, this meta‐analysis suggests that ticagrelor was more effective, but less safe than clopidogrel and prasugrel in patients with ACS. Subgroup analysis indicates that ticagrelor was not more effective, although less safe than clopidogrel in Asiatic patients, thus more evidence is needed to further evaluate the efficacy and safety of ticagrelor in Asiatic patients.
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