• J Clin Sleep Med · Aug 2007

    Randomized Controlled Trial Multicenter Study Controlled Clinical Trial

    Exploratory polysomnographic evaluation of pregabalin on sleep disturbance in patients with epilepsy.

    • Sanne de Haas, Andreas Otte, Al de Weerd, Gerard van Erp, Adam Cohen, and Joop van Gerven.
    • Centre for Human Drug Research (CHDR), Leiden, The Netherlands. shaas@chdr.nl
    • J Clin Sleep Med. 2007 Aug 15;3(5):473-8.

    ObjectivesTo evaluate the effects of adjunctive pregabalin 300 mg/day versus placebo on polysomnographic (PSG) variables in patients with well controlled partial seizures and subjectively reported sleep disturbance.MethodsAn exploratory, 4-week, double-blind, randomized study in patients with well controlled partial seizures on AED monotherapy and subjective sleep disturbance over the previous 6 months. Mean changes from baseline to endpoint in PSG and subjective sleep variables (MOS Sleep Scale, Groningen Sleep Questionnaire) in patients on adjunctive pregabalin 300 mg/day (n=8) were compared with patients on placebo (n=7).ResultsBaseline PSGs showed sleep fragmentation. Mean sleep efficiency improved significantly in both treatment groups in the mean baseline to endpoint change; there was no significant between-group difference. Pregabalin treatment was associated with a significant reduction in number of awakenings (p = 0.02), and improvement in wake time after sleep onset approached significance (p = 0.055), suggesting improvement in sleep continuity that was not observed in the placebo group. Pregabalin was also associated with significant improvements in the MOS sleep disturbance and sleep quantity subscales compared with placebo (p < or =0.03). There were no changes in self-reported seizure control.ConclusionsThis exploratory pilot study suggests that pregabalin may improve sleep continuity in patients with clinically relevant sleep disturbance. The effect on disturbed sleep appears independent of seizure control. The effects of pregabalin on disturbed sleep and seizures and their interrelationships warrant further study.

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