科研之友
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摘要
Influenza-associated neuropsychiatric symptoms include parasomnias such as sleepwalking which is a common sleep disturbance in childhood. Oseltamivir is a widely used antiviral drug for influenza. Recently, sleepwalking-like events have been reported in patients with influenza receiving oseltamivir. We investigated whether oseltamivir itself has effects on sleep. In this crossover study, healthy Japanese male volunteers were randomized into two treatment groups, each of which comprised two double-blind 4-day treatment periods. In the first period, group A received 75 mg oseltamivir (evening dose) on day 3, followed by 75 mg b.i.d. on day 4, and placebo in the second period. Group B received the same treatments, but in reverse order. Polysomnographic assessments were performed on all four nights of each treatment period. Pharmacokinetics were assessed during a 2-day open-label phase beginning on day 12. Thirty-one volunteers aged 20-24 years were enrolled. No volunteer had electroencephalographic abnormalities, and no abnormal behaviour was observed. Sleep parameters measured over the whole night and during early-and late sleep periods (first and last thirds of the night) were very similar for oseltamivir and placebo, although the amount of stage 2 sleep in the middle sleep period was slightly greater with oseltamivir. Pharmacokinetics for oseltamivir phosphate in groups A and B were very similar, but for oseltamivir carboxylate, AUC and C(max) values were higher in group B, probably because this group received oseltamivir on the evening of day 11. Oseltamivir was well tolerated. Oseltamivir did not produce clinically relevant changes on nocturnal polysomnographic variables in young Japanese men.
- 出版日期2011-10
