Creatine Supplementation in Fibromyalgia: A Randomized, Double-Blind, Placebo-Controlled Trial

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Arquivos
art_LIMA_Creatine_Supplementation_in_Fibromyalgia_A_Randomized_Double_Blind_2013.PDF (165.24 KB)
Citações na Scopus
45
Tipo de produção
article
Data de publicação
2013
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
WILEY-BLACKWELL
Autores
ALVES, Christiano R. R.
SANTIAGO, Bianca M.
TRITTO, Aline C. C.
ROSCHEL, Hamilton
Citação
ARTHRITIS CARE & RESEARCH, v.65, n.9, p.1449-1459, 2013
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Objective. To investigate the efficacy and safety of creatine supplementation in fibromyalgia patients. Methods. A 16-week, randomized, double-blind, placebo-controlled, parallel-group trial was conducted. Fibromyalgia patients were randomly assigned to receive either creatine monohydrate or placebo in a double-blind manner. The patients were evaluated at baseline and after 16 weeks. Muscle function, aerobic conditioning, cognitive function, quality of sleep, quality of life, kidney function, and adverse events were assessed. Muscle phosphorylcreatine content was measured through P-31 magnetic resonance spectroscopy. Results. After the intervention, the creatine group presented higher muscle phosphorylcreatine content when compared with the placebo group (+80.3% versus -2.7%; P = 0.04). Furthermore, the creatine group presented greater muscle strength than the placebo group in the leg press and chest press exercises (+9.8% and +1.2% for creatine versus -0.5% and -7.2% for placebo, respectively; P = 0.02 and P = 0.002, respectively). Isometric strength was greater in the creatine group than in the placebo group (+6.4% versus -3.2%; P = 0.007). However, no general changes were observed in aerobic conditioning, pain, cognitive function, quality of sleep, and quality of life. Food intake remained unaltered and no side effects were reported. Conclusion. Creatine supplementation increased intramuscular phosphorylcreatine content and improved lower- and upper-body muscle function, with minor changes in other fibromyalgia features. These findings introduce creatine supplementation as a useful dietary intervention to improve muscle function in fibromyalgia patients.
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URI
https://observatorio.fm.usp.br/handle/OPI/4010
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MDR
Artigos e Materiais de Revistas Científicas - FM/MCM
Artigos e Materiais de Revistas Científicas - HC/ICHC
Artigos e Materiais de Revistas Científicas - HC/InRad
Artigos e Materiais de Revistas Científicas - LIM/17
Artigos e Materiais de Revistas Científicas - LIM/44