唑吡坦治疗老年原发性失眠的开放性前瞻性多中心自身对照研究

Objective To evaluate the clinical efficacy and safety of zolpidem in treatment of primary insomnia in elderly patients.Methods An open, perspective, fixed-dose, multicentre and selfcontrolled clinical trial was conducted.Total of 115 elderly patients who met with the Diagnostic and Statistical Manual of Mental Disorders, 4th edition criteria for primary insomnia were administered 3 week nightly treatment with zolpidem 5 mg.The primary efficacy measurement was the change of Pittsburg Sleep Quality Index(PSQI) score after 1 week treatment in comparison with the baseline.The secondary efficacy measurement included the changes from baseline in total score of the PSQI, Hamilton Depression Scale (HAMD-17) and Hamilton Anxiety Scale (HAMA) and self-reported sleeping parameters ( latency of falling asleep, total sleeping time and sleeping quality) after 3 week treatment.Results The mean reduction score 17 items of PSQI were 2.8 after 1 week treatment and 3.2 at the end of 3 week ( P ＜ 0.01 ).The selfreported sleeping parameters were much improved from the baseline (P ＜0.01 ).The total scores of HAMD and HAMA were reduced significantly ( P ＜ 0.01 ) after 3 week treatment.The overall incidence of adverse events was 19.1%, with the frequent adverse events of dizziness, headache, sleepiness, nausea and fatigue, and the severity was mild or moderate.Conclusion It is effective and safe of zolpidem 5 mg nightly in treatment of elderly insomnia patients.

Efficacy and safety of zolpidem in treatment of primary insomnia in Chinese elderly: an open, selfcontrolled, multicenter study