• Anil Pandit, Madan Raj Aryal, Aashrayata Aryal Pandit, Leena Jalota, Fayaz A Hakim, Farouk Mookadam, Howard R Lee, and Imad M Tleyjeh.
• Division of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ, USA.
• EuroIntervention. 2014 Mar 20;9(11):1350-8.

AimsCangrelor is a new antiplatelet agent that has been used in percutaneous coronary intervention (PCI) with mixed results. We aimed to review the evidence on the efficacy of cangrelor in comparison to clopidogrel in reducing ischaemic endpoints at 48 hours in patients undergoing PCI in large randomised trials.Methods And ResultsIn three large clinical trials involving 25,107 participants, the risk of the primary composite efficacy endpoint of death, MI and ischaemia-driven revascularisation at 48 hours, (pooled OR 0.94; 95% CI: 0.77-1.14, p=0.51, I2=68%), death from all cause (pooled OR 0.72, 95% CI: 0.36-1.43, p=0.34, I2=52%), myocardial infarction (pooled OR 0.94, 95% CI: 0.77-1.14, p=0.51, I2=68%) was not significantly different between cangrelor and clopidogrel. Likewise, severe or life-threatening bleeding was similar between cangrelor and clopidogrel (pooled OR 1.21, 95% CI: 0.70-2.12, p=0.50, I2=0%). The risk of stent thrombosis (pooled OR 0.59, 95% CI: 0.43-0.81, p=0.001, I2=0%), Q-wave myocardial infarction (pooled OR 0.53, 95% CI: 0.30-0.92, p=0.02, I2=0%) and ischaemia-driven revascularisation (pooled OR 0.71, 95% CI: 0.52-0.98, p=0.04, I2=0%) was lower in the cangrelor group.ConclusionsBased on this meta-analysis, we did not find any difference in the risk of the primary composite efficacy endpoint of all-cause death, ischaemia-driven revascularisation, and myocardial infarction at 48hours between cangrelor and clopidogrel use. Given that cangrelor was associated with a lower risk of stent thrombosis, ischaemia-driven revascularisation and Q-wave myocardial infarction compared to clopidogrel, cangrelor can be considered as a suitable alternative during PCI.

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