Therapy for Insomnia and Circadian Rhythm Disorder in Alzheimer Disease

Luigi Ferini-Strambi, Andrea Galbiati, Francesca Casoni, Maria Salsone

Research output: Contribution to journalReview articlepeer-review

Abstract

Purpose of the review: There is strong evidence for a bidirectional association between sleep disorders and Alzheimer’s disease (AD). In particular, insomnia may be a potentially modifiable risk factor for AD. The present review summarizes recent advances in treatment of sleep disorders in AD. Recent findings: Some studies investigated the efficacy and safety of hypnotic agents as ramelteon and mirtazapine to treat sleep disorders in AD but no significant therapeutic effects have been observed. Benzodiazepines are the most frequently used medication for treatment of insomnia but they may cause significant side effects in old subjects. Suvorexant, an orexin receptor antagonist, showed a positive effect on AD insomnia. Recent report suggests an association between trazodone use and delayed cognitive decline in AD. With respect to circadian rhythm disorders, non-pharmacological treatments, especially bright light therapy, could be useful and safe options for treatment in AD. Summary: Some pharmacological and non-pharmacological treatments might have benefits in AD patients with sleep disturbances, but further well-designed controlled trials are needed.

Original languageEnglish
Article number4
JournalCurrent Treatment Options in Neurology
Volume22
Issue number2
DOIs
Publication statusPublished - Feb 1 2020

Keywords

  • Alzheimer disease
  • Benzodiazepine and related drugs
  • Bright light therapy
  • Insomnia
  • Melatonin
  • Trazodone

ASJC Scopus subject areas

  • Clinical Neurology

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