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

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dc.contributor Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP ALVES, Christiano R. R.
LIMA, Fernanda R. FMUSP-HC
TRITTO, Aline C. C.
PINTO, Ana Lucia de Sa FMUSP-HC
ROSCHEL, Hamilton
GUALANO, Bruno 2013
dc.identifier.citation ARTHRITIS CARE & RESEARCH, v.65, n.9, p.1449-1459, 2013
dc.identifier.issn 2151-464X
dc.description.abstract 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.
dc.description.sponsorship · CNPq
· FAPESP [2011/08302-0]
dc.language.iso eng
dc.publisher WILEY-BLACKWELL
dc.relation.ispartof Arthritis Care & Research
dc.rights restrictedAccess
dc.subject.other cognitive function; clinical-trial; renal-function; human brain; monohydrate; performance; disorder; tests; women; questionnaire
dc.title Creatine Supplementation in Fibromyalgia: A Randomized, Double-Blind, Placebo-Controlled Trial
dc.type article
dc.rights.holder Copyright WILEY-BLACKWELL LIM/44 LIM/17
dc.identifier.doi 10.1002/acr.22020
dc.identifier.pmid 23554283
dc.type.category original article
dc.type.version publishedVersion LIMA, Fernanda R.:FM: OTADUY, Maria C. G.:HC:INRAD CALICH, Ana Luisa:FM: PINTO, Ana Lucia de Sa:HC:ICHC LEITE, Claudia C.:FM:MDR BENATTI, Fabiana B.:FM: BONFA, Eloisa:FM:MCM · ALVES, Christiano R. R.:Univ Sao Paulo, Sao Paulo, Brazil
· SANTIAGO, Bianca M.:Univ Sao Paulo, Sao Paulo, Brazil
· TRITTO, Aline C. C.:Univ Sao Paulo, Sao Paulo, Brazil
· ROSCHEL, Hamilton:Univ Sao Paulo, Sao Paulo, Brazil
· GUALANO, Bruno:Univ Sao Paulo, Sao Paulo, Brazil WOS:000323480600008 2-s2.0-84883314419 HOBOKEN USA
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hcfmusp.citation.wos 16 Brasil

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