Efficacy of High-Intensity Aerobic Exercise on Brain MRI Measures in Multiple Sclerosis.
Journal
Neurology
ISSN: 1526-632X
Titre abrégé: Neurology
Pays: United States
ID NLM: 0401060
Informations de publication
Date de publication:
12 01 2021
12 01 2021
Historique:
received:
18
02
2020
accepted:
11
08
2020
pubmed:
3
12
2020
medline:
28
1
2021
entrez:
2
12
2020
Statut:
ppublish
Résumé
To determine whether 24 weeks of high-intensity progressive aerobic exercise (PAE) affects brain MRI measures in people with multiple sclerosis (MS). We conducted a randomized, controlled, phase 2 trial (with a crossover follow-up) including an exercise group (supervised PAE followed by self-guided physical activity) and a waitlist group (habitual lifestyle followed by supervised PAE). Mildly to severely impaired patients with MS aged 18-65 years were randomized (1:1). The primary outcome was percentage brain volume change (PBVC) after 24 weeks, analyzed using the intention-to-treat principle. Eighty-six participants were recruited. PBVC did not change over the intervention period (mean between-group change +0.12%, 95% confidence interval [CI] -0.27 to 0.51, These findings do not support a neuroprotective effect of PAE in terms of total brain atrophy in people with MS and it did not lead to a statistically significant difference in gray matter parenchymal fraction. PAE led to improvements in cardiorespiratory fitness and a lower relapse rate. While these exploratory findings cautiously support PAE as a potential adjunct disease-modifying treatment in MS, further investigations are warranted. NCT02661555. This study provides Level I evidence that 24 weeks of high-intensity PAE did not elicit disease-modifying effects in PBVC in people with MS. Exploratory analyses showed that PAE may reduce relapse rate.
Identifiants
pubmed: 33262230
pii: WNL.0000000000011241
doi: 10.1212/WNL.0000000000011241
doi:
Banques de données
ClinicalTrials.gov
['NCT02661555']
Types de publication
Clinical Trial, Phase II
Journal Article
Multicenter Study
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e203-e213Informations de copyright
© 2020 American Academy of Neurology.