Efficacy and Safety of Cilostazol Therapy in Ischemic Stroke: A Meta-analysis

Liang Tan, Barnhart Margaret, John H Zhang, Rong Hu, Yi Yin, Liu Cao, Hua Feng, Yanqi Zhang
Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association 2015, 24 (5): 930-8

BACKGROUND: Antiplatelet therapy is recommended for patients who have experienced ischemic stroke. We performed a meta-analysis to compare the efficacy and safety of cilostazol with other antiplatelet therapies in patients with ischemic stroke.

METHODS: PubMed, EMBASE, MEDLINE, and the Cochrane Library were searched for randomized controlled trials published in English from May 1999 to May 2013. Clinical outcomes were compared by pooled and meta-regression analyses.

RESULTS: Nine studies involving 6328 patients satisfied our inclusion criteria. Stroke recurrence (including hemorrhagic and ischemic) with cilostazol use was 5.3% (157) versus 8.3% (248) in control group (risk ratio .63 [.52-.76], 95% confidence interval [CI]). Poststroke intracranial hemorrhage was .5% (16) with cilostazol versus 1.6% (46) in control group (risk ratio .36 [.21-.63], 95% CI). Poststroke extracranial bleeding complications occurred in 2.4% (66) of the patients taking cilostazol versus 3.9% (108) in control group (risk ratio .62 [.46-.83], 95% CI). No significant difference in cerebrovascular events (nonfatal stroke, intracranial hemorrhage, and transient ischemic attack) was found between the cilostazol group (8.2%, 246) versus control group (12.0%, 360; risk ratio .71 [.50-1.01], 95% CI). In addition, the cilostazol therapy brought about a nonsignificant reduction of cardiac adverse events (heart failure, myocardial infarction, and angina pectoris) comparing with control groups, with 3.8% (99) of the cilostazol group versus 4.7% (123) of control group (risk ratio, .81 [.62-1.04], 95% CI).

CONCLUSIONS: Cilostazol, alone or in combination with aspirin, significantly reduces stroke recurrence, poststroke intracranial hemorrhage, and extracranial bleeding in patients with a prior ischemic stroke as compared with other antiplatelet therapies.

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