Efficacy and safety of cilostazol based triple antiplatelet treatment versus dual antiplatelet treatment in patients undergoing coronary stent implantation: an updated meta-analysis of the randomized controlled trials
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abstract
The aim of this study was to obtain best estimates of the efficacy and safety of cilostazol-based triple antiplatelet therapy (TAPT: aspirin, clopidogrel and cilostazol) compared with dual antiplatelet therapy (DAPT: aspirin and clopidogrel) in patients undergoing coronary stent implantation. We searched the literature to identify all randomized clinical trials examining efficacy and safety of TAPT versus DAPT in patients undergoing coronary stent implantation. Major efficacy outcomes were death, non-fatal myocardial infarction (MI), ischemic stroke and stent thrombosis (ST) and the safety outcome was bleeding. Data were analyzed using the Review Manager 5.0.0 software. A total of 19 trials involving 7,464 patients were included. TAPT and DAPT were associated with similar rates of death, non-fatal MI, ischemic stroke and ST, but compared with DAPT, TAPT had lower rates of target lesion revascularization (TLR) (RR 0.67, 95 % CI 0.56-0.82, P < 0.0001) and target vessel revascularization (TVR) (RR 0.65, 95 % CI 0.55-0.77, P < 0.00001), as well as less late loss of minimal lumen diameter (mean difference -0.14, 95 % CI -0.17--0.11, P < 0.00001), and less binary angiographic restenosis (RR 0.54, 95 % CI 0.45-0.65, P < 0.00001). TAPT and DAPT had similar rates of bleeding, but TAPT had significantly higher rates of headache, palpitation, rash and gastrointestinal side-effects. Cilostazol-based TAPT compared with DAPT is associated with improved angiographic outcomes and decreased risk of TLR and TVR but does not reduce major cardiovascular events and is associated with an increase in minor adverse events.
