期刊
SLEEP
卷 28, 期 6, 页码 720-727出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/sleep/28.6.720
关键词
elderly; eszopiclone; insomnia; sleep maintenance; sleep disturbance; sleep latency; WASO; daytime function; quality of life
Study Objectives: Evaluate the efficacy of eszopiclone in primary insomnia. Design/Setting: Randomized, double-blind, placebo-controlled multicenter in outpatient setting with weekly visits. Participants: Two-hundred thirty one men and women aged 65 to 85 years (mean age 72.3 years) with primary insomnia, as defined by the Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition. Measurements/Results: Efficacy was assessed using an interactive voice response system. Following the predefined hierarchical testing strategy, the eszopiclone 2-mg group had a significantly shorter sleep latency compared with placebo over the double-blind period (P =.0034). The eszopiclone 2-mg group had significantly longer total sleep time (P =.0003) and eszopiclone 1-mg group had significantly shorter sleep latency (P <=.012) compared with placebo. The eszopiclone 1-mg group was not significantly different from placebo on total sleep time or any other secondary efficacy endpoint. Secondary analyses indicated that the eszopiclone Conclusion: Nightly treatment with eszopiclone 1 mg effectively induced sleep, while the 2-mg dose was effective in inducing and maintaining sleep. Eszopiclone was well tolerated in elderly patients with primary insomnia, and the sleep efficacy was accompanied by significantly less napping and significantly higher ratings of daytime alertness, sense of physical well-being, and several quality-of-life parameters at the higher dose.
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