Article

Long-term clinical efficacy and safety of adding cilostazol to dual antiplatelet therapy for patients undergoing PCI: A meta-analysis of randomized trials with adjusted indirect comparisons.

Division of Cardiology, Xinhua Hospital School of Medicine, Shanghai Jiaotong University, Shanghai, China.
Current Medical Research and Opinion (Impact Factor: 2.37). 10/2013; 30(1). DOI: 10.1185/03007995.2013.850067
Source: PubMed

ABSTRACT Abstract Objective: To assess the long-term clinical efficacy and safety of adding cilostazol to aspirin plus clopidogrel (Triple antiplatelet therapy, TAT) in patients undergoing percutaneous coronary intervention (PCI) and explore its role in the era of new generation ADP-receptor antagonists. Methods: PUBMED, EMBASE, and the Cochrane Central Register of Controlled Trials were searched for randomized controlled trials (RCTs) comparing TAT versus dual antiplatelet therapy (DAT), following by a manual search. Then, a meta-analysis of RCTs comparing TAT versus standard DAT in patients undergoing PCI was performed. Furthermore, indirect comparisons of TAT versus new generation ADP-receptor antagonists-based DAT (prasugrel or ticagrelor-based DAT) were undertaken, with standard DAT as a common comparator. The included end-points were major adverse cardiovascular (MACE), Target lesion revascularization (TLR), target vessel revascularization (TVR), death, myocardial infarction (MI), stent thrombosis, bleeding and other drug adverse events. Results: 12 RCTs with a total of 31789 were included. Compared with standard DAT (n=2551), TAT (n=2545) significantly reduced the incidence of MACE (OR: 0.56, 95%CI: 0.47-0.68, P<0.00001), TLR (OR: 0.51, 95%CI: 0.34-0.75, P=0.0006) and TVR (OR: 0.59, 95%CI: 0.46-0.75, P<0.0001), and did not change significantly in death (OR: 0.68, 95%CI: 0.44-1.05, P=0.08), MI (OR: 0.80, 95%CI: 0.45-1.44, P=0.46), stent thrombosis (OR: 0.61, 95%CI: 0.27-1.36, P=0.23), major bleeding (OR: 1.42, 95%CI: 0.52-3.85, P=0.49) and overall bleeding (OR:1.16, 95%CI: 0.79-1.69, P=0.45). Compared with prasugrel (n=6813) or ticagrelor-based DAT (n=6732), TAT (n=2545) further reduced the incidence of MACE (OR: 0.80, 95%CI: 0.72- 0.90, P =0.0012; OR: 0.83, 95%CI: 0.75- 0.92, P=0.0003, respectively). Conclusions: Compared with standard DAT, the long-term use of TAT in patients with PCI gives more benefits in reducing the incidence of MACE, TLR and TVR without increasing bleeding. Furthermore, it might be superior to prasugrel or ticagrelor-based DAT in term of MACE, which need be confirmed by future studies with direct comparisons.

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