Neuromuscular magnetic stimulation counteracts muscle decline in ALS patients: results of a randomized, double-blind, controlled study

Scientific Reports
Antonio MusaròMaurizio Inghilleri

Abstract

The aim of the study was to verify whether neuromuscular magnetic stimulation (NMMS) improves muscle function in spinal-onset amyotrophic lateral sclerosis (ALS) patients. Twenty-two ALS patients were randomized in two groups to receive, daily for two weeks, NMMS in right or left arm (referred to as real-NMMS, rNMMS), and sham NMMS (sNMMS) in the opposite arm. All the patients underwent a median nerve conduction (compound muscle action potential, CMAP) study and a clinical examination that included a handgrip strength test and an evaluation of upper limb muscle strength by means of the Medical Research Council Muscle Scale (MRC). Muscle biopsy was then performed bilaterally on the flexor carpi radialis muscle to monitor morpho-functional parameters and molecular changes. Patients and physicians who performed examinations were blinded to the side of real intervention. The primary outcome was the change in the muscle strength in upper arms. The secondary outcomes were the change from baseline in the CMAP amplitudes, in the nicotinic ACh currents, in the expression levels of a selected panel of genes involved in muscle growth and atrophy, and in histomorphometric parameters of ALS muscle fibers. The Repeated Measures (RM) ANOVA wi...Continue Reading

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Citations

May 14, 2020·Cells·Marco CeccantiMaurizio Inghilleri
Aug 21, 2019·Cells·Elisa LeporeAntonio Musarò
Apr 4, 2021·Cells·Silvia ScaricamazzaCristiana Valle
Aug 28, 2021·International Journal of Molecular Sciences·Maria Angeles Peña-ToledoIsaac Tunez

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Methods Mentioned

BETA
light microscopy
biopsies
biopsy
PCR
transgenic

Clinical Trials Mentioned

NCT03618966

Software Mentioned

GraphPad PRISM
ImageJ
Sigmaplot
Sigma Plot

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