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Psychopharmacology (Berl). 2004 Jul;174(3):421-9. Epub 2004 Mar 17.

Sleep-promoting properties of quetiapine in healthy subjects.

Author information

1
Department of Psychiatry and Psychotherapy, Georg-August-University of Göttingen, von-Siebold Strasse 5, D-37075 Göttingen, Germany. scohrs@gwdg.de

Abstract

The aim of this study was to investigate the effects of quetiapine, an atypical antipsychotic, on polysomnographic sleep structure and subjective sleep quality. This double-blind, placebo-controlled, randomized cross-over study investigated the polysomnographic sleep structure and subjective sleep quality of 14 healthy male subjects given placebo, quetiapine 25 mg or quetiapine 100 mg. Volunteers were studied 3 times for 3 consecutive nights (N0, adaptation; N1, standard sleep conditions; N2, acoustic stress) 4 days apart. Treatment was administered orally 1 h before bedtime on nights 1 and 2. Quetiapine 25 mg and 100 mg significantly improved sleep induction and continuity under standard and acoustic stress conditions. Increases in total sleep time, sleep efficiency, percentage sleep stage 2 and subjective sleep quality were seen. A significant increase in periodic leg movements during sleep was observed with quetiapine 100 mg. The sleep-improving properties of quetiapine may be important in counteracting different aspects of psychopathology in schizophrenia and other disorders. These sleep-inducing and sleep-modifying properties are probably related to quetiapine's receptor-binding profile, including its antihistaminergic, antidopaminergic and antiadrenergic properties. Other mechanisms might be relevant as well and further investigation is required.

PMID:
15029469
DOI:
10.1007/s00213-003-1759-5
[Indexed for MEDLINE]

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