The influence of celecoxib on muscle fatigue resistance and mobility in elderly patients with inflammation.
BACKGROUND: Acute inflammation has a negative effect on the muscular system in elderly patients, compromising the outcome of the underlying disease. OBJECTIVE: The aim of this study was to evaluate the effect of cyclooxygenase-2 ( COX-2) inhibition on muscle performance and mobility in hospitalized elderly patients with acute inflammation of infectious origin. METHODS: In this single-blind, controlled trial, consecutively hospitalized elderly patients (age > or = 70 years) with inflammation (C-reactive protein [CRP] levels > or =10 mg/L) due to acute infection were randomly assigned to receive 2 weeks of treatment with the COX-2-selective inhibitor celecoxib, acetaminophen, or no supplementary medication (control). The following variables were assessed at baseline and at 1 and 2 weeks' follow-up: muscle fatigue resistance (primary outcome measure); grip strength and mobility (secondary outcome measures); and levels of the acute-phase markers CRP, interleukin (IL)-1beta, IL-6, IL-10, tumor necrosis factor-alpha (TNF-alpha), and transforming growth factor-beta (TGF-beta) as explanatory variables. RESULTS: Forty-three consecutively hospitalized elderly patients (31 women, 12 men; mean [SD] age, 84 [6] years) were enrolled. Fourteen patients received celecoxib, 14 received acetaminophen, and 15 received no supplementary medication. The change in fatigue resistance was significantly different between groups (P = 0.021, Kruskal-Wallis chi-square test), with significantly greater improvement in patients receiving celecoxib compared with the acetaminophen and control groups (63% increase from baseline; P < 0.05). There were no significant between-group differences in changes in grip strength, mobility, IL-1beta, IL-6, TNF-alpha, or TGF-beta. The changes in levels of IL-10 differed significantly between groups (P = 0.020, Kruskal-Wallis chi-square test), with greater improvement in the celecoxib group compared with the acetaminophen group (P = 0.032). CONCLUSION: The results of this study suggest that COX-2-selective inhibition has a beneficial effect on muscle fatigue resistance in hospitalized elderly patients with acute inflammation of infectious origin. However, until further trials are conducted, the use of COX-2-selective inhibitors for this indication is not recommended.[1]References
- The influence of celecoxib on muscle fatigue resistance and mobility in elderly patients with inflammation. Mets, T., Bautmans, I., Njemini, R., Lambert, M., Demanet, C. The American journal of geriatric pharmacotherapy. (2004) [Pubmed]
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