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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-43822

Rudwaleit, M; Gooch, K; Michel, B; Herold, M; Thörner, A; Wong, R; Kron, M; Chen, N; Kupper, H (2010). Adalimumab improves sleep and sleep quality in patients with active ankylosing spondylitis. The Journal of Rheumatology, 38(1):79-86.

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Abstract

Objective. Fatigue and sleep problems are significant in patients with ankylosing spondylitis (AS).
This subanalysis of the RHAPSODY study (Review of Safety and Effectiveness with Adalimumab
in Patients with Active Ankylosing Spondylitis) was conducted to evaluate the effect of adalimumab
on sleep in patients with active AS.
Methods. All patients (n = 1250) had active AS and received adalimumab 40 mg every other week
during the 12-week open-label treatment period. Sleep was assessed by the Medical Outcomes Study
Sleep Scale (MOS-SS) at screening and Weeks 6, 12, and 20 (optional continuation period). Effect
sizes were calculated to determine clinical significance. Paired Student t tests compared the change
in the MOS-SS domains fromWeek 12 to baseline. Correlation coefficients were calculated to determine
the relationship between change in sleep domains and other Week 12 clinical and patientreported
outcomes (Bath AS Disease Activity Index, C-reactive protein, nocturnal pain, total back
pain, Bath AS Functional Index, patient’s global assessment of disease activity, morning stiffness,
Short Form-36 Health Survey, and Work Productivity and Activity Impairment questionnaire
components).
Results. At Week 12, adalimumab significantly improved sleep in each of the MOS-SS domains
(p < 0.001). Effect sizes for 3 of the 6 domains (disturbance, –0.69; adequacy, 0.55; somnolence,
–0.52) and both sleep problems indices (Index I, –0.68; Index II, –0.77) were moderate, suggesting
clinical significance. Change in the MOS-SS Sleep Problem Index II was moderately correlated with
change in most clinical and patient-reported outcomes. Sleep improvements were similar in patients
with and without radiographically advanced AS.
Conclusion. Adalimumab improves overall sleep and sleep quality in patients with active AS.
(J Rheumatol First Release Oct 15 2010; doi:10.3899/jrheum.100213)

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9 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Rheumatology Clinic and Institute of Physical Medicine
DDC:610 Medicine & health
Date:1 October 2010
Deposited On:12 Mar 2011 15:30
Last Modified:27 Nov 2013 18:28
Publisher:Journal of Rheumatology Publishing
ISSN:0315-162X
Publisher DOI:10.3899/jrheum.100213
Official URL:http://www.jrheum.org/content/early/2010/10/13/jrheum.100213.full.pdf
PubMed ID:20952469

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