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Drug Treatment of REM Sleep Behavior Disorder: the Use of Drug Therapies Other Than Clonazepam

Lookup NU author(s): Dr Kirstie Anderson


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Study Objectives: REM sleep behavior disorder (RBD) is characterized by loss of the normal muscle atonia during REM sleep associated with disruptive motor activity related to the acting out of dreams. There is frequently injury to the patient or bed partner, and treatment is usually required. Clonazepam has been the first-line therapy for many years, with 2 large case series reporting efficacy with few side effects in the majority of patients. However, long-acting hypnotics in the elderly or those with cognitive impairment can be associated with adverse events especially unacceptable daytime sedation, confusion, and exacerbation of existing sleep apnea. Methods: We reviewed 39 patients with confirmed RBD who were treated within our regional sleep center, assessing both efficacy and side effects of drug therapies. Results: Adverse effects were reported by 58% of the patients using clonazepam, with 50% either discontinuing the drug or reducing the dose. This prompted us review the side effects of clonazepam in detail and to look for alternative therapies. We report several novel and effective therapies, in particular zopiclone, in a series of patients under long-term follow-up for RBD. Conclusions: There are alternatives to clonazepam therapy for RBD which can be as effective and may be better tolerated.

Publication metadata

Author(s): Anderson KN, Shneerson JM

Publication type: Article

Publication status: Published

Journal: Journal of Clinical Sleep Medicine

Year: 2009

Volume: 5

Issue: 3

Pages: 235-239

ISSN (print): 1550-9389

ISSN (electronic): 1550-9397

Publisher: American Academy of Sleep Medicine