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[Study on clinical efficacy of zhennaoning capsules in treatment of cerebral arteriosclerosis and analysis on its economic benefits].

To study clinical efficacy of Zhennaoning capsules in treating cases with cerebral arteriosclerosis, and analyze its economic benefits. Totally 254 cases with cerebral arteriosclerosis were randomly divided into two groups according to their doctor-consulting sequence: the test group (n = 128) that was administered with Zhennaoning capsules, and the control group (n = 126) that was administered with Yangxueqingnao granules. A double-blind parallel-controlled study was conducted for four weeks, in order to observe the clinical efficacy and adverse effects of the two groups, and evaluate their pharmacoeconomics. Additionally, the clinical efficacy and safety of Zhennaoning capsules in treating cerebral arteriosclerosis, as well as its pharmacoeconomics were also discussed. This study showed that Zhennaoning capsules had a better efficacy than its control drug Yangxueqingnao granules in relieving traditional Chinese medicinal syndromes (according to traditional Chinese medicinal syndrome coring, efficacy and cure rate), suggesting a statistical significance (P < 0.01). Despite statistical significance showed from the differences in the remaining indexes and the occurrence rate of adverse effects, the test group displayed a lower cost effectives than the control group (P < 0.01). Zhennaoning capsules have a better clinical efficacy in treating cases with cerebral arteriosclerosis than Yangxueqingnao granules, demonstrating safe clinical application and better economic advantages.