Article (Scientific journals)
Quantitative nuclear magnetic resonance imaging detects subclinical changes over 1 year in skeletal muscle of GNE myopathy.
Gidaro, Teresa; Reyngoudt, Harmen; Le Louer, Julien et al.
2020In Journal of Neurology, 267 (1), p. 228-238
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Keywords :
GNEM; Longitudinal study; Outcome measures; Quantitative NMRI
Abstract :
[en] BACKGROUND AND OBJECTIVE: To identify the most responsive and sensitive clinical outcome measures in GNE myopathy. METHODS: ClinBio-GNE is a natural history study in GNE myopathy. Patients were assessed prospectively by clinical, functional and quantitative nuclear magnetic resonance imaging (qNMRI) evaluations. Strength and functional tests included Myogrip, Myopinch, MoviPlate and Brooke assessments for upper limb and the 6-min walk distance for lower limb. qNMRI was performed for determining the degree of fatty infiltration and trophicity in leg, thigh, forearm and hand skeletal muscles. Ten GNE myopathy patients were included. Three patients were non-ambulant. Age and gender-matched healthy subjects were used as controls. RESULTS: Fatty infiltration and contractile cross-sectional area changed inversely and significantly in lower distal limbs and in proximal lower and distal upper limbs over 1 year. qNMRI indices and functional assessment results were strongly correlated. CONCLUSIONS: Even in a limited number of patients, qNMRI could detect a significant change over a 1-year period in GNE myopathy, which suggests that qNMRI could constitute a surrogate endpoint in this slowly progressive disease. Quantitative NMRI outcome measures can monitor intramuscular fat accumulation with high responsiveness. Longer follow-up should improve our understanding of GNE myopathy evolution and also lead to the identification of non-invasive outcome measures with the highest discriminant power for upcoming clinical trials.
Disciplines :
Pediatrics
Neurology
Author, co-author :
Gidaro, Teresa
Reyngoudt, Harmen
Le Louer, Julien
Behin, Anthony
Toumi, Ferial
Villeret, Melanie
Araujo, Ericky C. A.
Baudin, Pierre-Yves
Marty, Benjamin
Annoussamy, Melanie
Hogrel, Jean-Yves
Carlier, Pierre G.
Servais, Laurent ;  Université de Liège - ULiège > Département des sciences cliniques > Département des sciences cliniques
More authors (3 more) Less
Language :
English
Title :
Quantitative nuclear magnetic resonance imaging detects subclinical changes over 1 year in skeletal muscle of GNE myopathy.
Publication date :
January 2020
Journal title :
Journal of Neurology
ISSN :
0340-5354
eISSN :
1432-1459
Publisher :
Dr. Dietrich Steinkopff Verlag, Germany
Volume :
267
Issue :
1
Pages :
228-238
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 January 2020

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