0.05)。結(jié)論 右旋佐匹克隆與佐匹克隆治療失眠癥療效及安全性相似。;Objective To evaluate the differences in the efficacy and side effects between eszopiclon and zopiclon in the treatment of insomnia. Methods Randomized controlled trials assessing eszopiclon and zopiclon in the treatment of insomnia were retrieved from the domestic and foreign periodicals of science and technology database, and included in this Meta-analysis. Results Seven RCT involving 1 021 patients were identified. After 2 week, there was no statistically significant difference in SRDS subtraction score between two groups [P=0.57, MD=0.77, 95%CI (?1.88-3.41)]; There was no statistically significant difference showing the efficiency of two groups [P=0.76, OR=0.96, 95%CI (0.73-1.26)]; The main reactions such as headache dizziness, dry mouth, bitter mouth, somnolence, nausea, and vomiting in two groups had no statistically significant difference in incidence of epigastric discomfort (P > 0.05). Conclusion Eszopiclon and zopiclon in the treatment of insomnia have a similar efficacy and safety."/>