Abstract
Background: Fatigue is a prevalent and debilitating symptom in neurological disorders, including spinocerebellar ataxias (SCAs). However, the risk factors of fatigue in the SCAs as well as its impact have not been well investigated. Objectives: To study the prevalence of fatigue in SCAs, the factors contributing to fatigue, and the influence of fatigue on quality of life. Methods: Fatigue was assessed in 418 participants with SCA1, SCA2, SCA3, and SCA6 from the Clinical Research Consortium for the Study of Cerebellar Ataxia using the Fatigue Severity Scale. We conducted multi-variable linear regression models to examine the factors contributing to fatigue as well as the association between fatigue and quality of life. Results: Fatigue was most prevalent in SCA3 (52.6%), followed by SCA1 (36.7%), SCA6 (35.7%), and SCA2 (35.6%). SCA cases with fatigue had more severe ataxia and worse depressive symptoms. In SCA3, those with fatigue had a longer disease duration and longer pathological CAG repeat numbers. In multi-variable models, depressive symptoms, but not ataxia severity, were associated with more severe fatigue. Fatigue, independent of ataxia and depression, contributed to worse quality of life in SCA3 and SCA6 at baseline, and fatigue continued affecting quality of life throughout the disease course in all types of SCA. Conclusions: Fatigue is a common symptom in SCAs and is closely related to depression. Fatigue significantly impacts patients' quality of life. Therefore, screening for fatigue should be considered a part of standard clinical care for SCAs.
Original language | English (US) |
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Pages (from-to) | 496-503 |
Number of pages | 8 |
Journal | Movement Disorders Clinical Practice |
Volume | 11 |
Issue number | 5 |
DOIs | |
State | Published - May 2024 |
Funding
R.L. declares that there are no additional disclosures to report. C.R. has received research and consultancy fees from the Friedreich's Ataxia Research Alliance, Biohaven, Takeda, PTC Therapeutics, and Solid Biosciences. C.J.A. declares that there are no additional disclosures to report. C.Y.R.L. is a Medscape Neurology Decision Point: Alzheimer's disease Section Editor. T.X.C. declares that there are no additional disclosures to report. S.P. declares that there are no additional disclosures to report. G.W. declares that there are no additional disclosures to report. C.M.G. declares that there are no additional disclosures to report. J.D.S. declares that there are no additional disclosures to report. H.P. has received research funding from the National Institutes of Health (NIH). S.H.Y. declares that there are no additional disclosures to report. C.U.O. has received research funding from Biogen, Alector, and Transposon. He has served as a consultant for Acadia, Eisai, Otsuka, and Reata. T.A.Z. declares that there are no additional disclosures to report. K.O.B. declares that there are no additional disclosures to report. M.D.G. declares that there are no additional disclosures to report. KPF declares that there are no additional disclosures to report. S.M.P. declares that there are no additional disclosures to report. S.H.S. declares that there are no additional disclosures to report. M.R.B. has received grants from the National Institute on Aging and Cognito Therapeutics. P.O. has received support from the NIH (1R01NS082351 and 1R01NS127204). He has received funding from the following sources for clinical trials: Biohaven Pharmaceuticals and NIH U01NS104326 (site PI). A.D. declares that there are no additional disclosures to report. T.A. has received grants from the NIH and Biogen and has participated in Biohaven‐funded clinical trials NCT03952806 and NCT03701399. A.G.H. has received grants from the National Eye Institute and The Michael J. Fox Foundation, and clinical trial support from Biogen and Biohaven. M.Y.D. declares that there are no additional disclosures to report. S.R.S. declares that there are no additional disclosures to report. L.M. declares that there are no additional disclosures to report. V.G.S. declares that there are no additional disclosures to report. L.S.R. declares that there are no additional disclosures to report. S.H.K. is supported by the NIH: National Institute of Neurological Disorders and Stroke (NINDS) R01 NS104423 (principal investigator), NINDS R01 NS118179 (principal investigator), NINDS R01 NS124854 (principal investigator). Financial Disclosures for Previous 12 Months: R.L. has received no specific funding for this work and has no conflicts of interest relevant to this work. C.R. has received research and consultancy fees from the National Ataxia Foundation. C.J.A. has received no specific funding for this work and has no conflicts of interest relevant to this work. C.Y.R.L. has received no specific funding for this work and has no conflicts of interest relevant to this work. T.X.C. has received no specific funding for this work and has no conflicts of interest relevant to this work. S.P. has received research funding from the National Ataxia Foundation. G.W. has received research funding from the National Ataxia Foundation. C.M.G. has received research funding from the National Ataxia Foundation. J.D.S. has received research funding from the National Ataxia Foundation. H.P. has received research funding from the National Ataxia Foundation. S.H.Y. has received research funding from the National Ataxia Foundation. C.U.O. has received research funding from the National Ataxia Foundation. T.A.Z. has received research funding from the National Ataxia Foundation. K.O.B. has received research funding from the National Ataxia Foundation. M.D.G. has received research funding from the National Ataxia Foundation. K.P.F. has received research funding from the National Ataxia Foundation. S.M.P. has received research funding from the National Ataxia Foundation. S.H.S. has received research funding from the National Ataxia Foundation. M.R.B. has received research funding from the National Ataxia Foundation. P.O. has received research funding from the National Ataxia Foundation. A.D. has received research funding from the National Ataxia Foundation. T.A. has received research funding from the National Ataxia Foundation. A.G.H. has received no specific funding for this work and has no conflicts of interest relevant to this work. M.Y.D. has received no specific funding for this work and has no conflicts of interest relevant to this work. S.R.S. has received no specific funding for this work and has no conflicts of interest relevant to this work. L.M. has received research funding from the National Ataxia Foundation. V.G.S. has received research funding from the National Ataxia Foundation. L.S.R. has received research funding from the National Ataxia Foundation. S.H.K. has received research funding from the National Ataxia Foundation. Funding Sources and Conflicts of Interest:
Keywords
- cerebellar ataxia
- cerebellum
- fatigue
- quality of life
- spinocerebellar ataxia
ASJC Scopus subject areas
- Neurology
- Clinical Neurology