Cited by 288Muscle metabolism and nutritionNutrition and Health in AgingSpaceflight effects on biology

Effect of β-hydroxy-β-methylbutyrate (HMB) on lean body mass during 10 days of bed rest in older adults

Deutz, Nicolaas E.P., Pereira, Suzette L., Hays, Nicholas P., Oliver, Jeffery S., Edens, Neile K., Evans, Chris M., Wolfe, Robert R.·2013·Clinical Nutrition

Abstract

Background Loss of muscle mass due to prolonged bed rest decreases functional capacity and increases hospital morbidity and mortality in older adults. Objective To determine if HMB, a leucine metabolite, is capable of attenuating muscle decline in healthy older adults during complete bed rest. Design A randomized, controlled, double-blinded, parallel-group design study was carried out in 24 healthy (SPPB ≥ 9) older adult subjects (20 women, 4 men), confined to complete bed rest for ten days, followed by resistance training rehabilitation for eight weeks. Subjects in the experimental group were treated with HMB (calcium salt, 1.5 g twice daily - total 3 g/day). Control subjects were treated with an inactive placebo powder. Treatments were provided starting 5 days prior to bed rest till the end rehabilitation phase. DXA was used to measure body composition. Results Nineteen eligible older adults (BMI: 21-33; age: 60-76 year) were evaluable at the end of the bed rest period (Control n = 8; Ca-HMB n = 11). Bed rest caused a significant decrease in total lean body mass (LBM) (2.05 ± 0.66 kg; p = 0.02, paired t-test) in the Control group. With the exclusion of one subject, treatment with HMB prevented the decline in LBM over bed rest -0.17 ± 0.19 kg; p = 0.23, paired t-test). There was a statistically significant difference between treatment groups for change in LBM over bed rest (p = 0.02, ANOVA). Sub-analysis on female subjects (Control = 7, HMB = 8) also revealed a significant difference in change in LBM over bed rest between treatment groups (p = 0.04, ANOVA). However, differences in function parameters could not be observed, probably due to the sample size of the study. Conclusions In healthy older adults, HMB supplementation preserves muscle mass during 10 days of bed rest. These results need to be confirmed in a larger trial.

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Crossref · 10.1016/j.clnu.2013.02.011

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  1. Zachwieja, 1999, Effect of the leucine metabolite ß-hydroxy-ß-methylbutyrate on muscle protein synthesis during prolonged bedrest, FASEB J, 13, A1025

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Authors
Deutz, N. E. P., Pereira, S. L., Hays, N. P., Oliver, J. S., Edens, N. K., Evans, C. M., & Wolfe, R. R.
Affiliations
  • University of Arkansas for Medical Sciences (US)
  • Abbott Nutrition (United States) (US)
Corresponding author
Deutz, Nicolaas E.P.
Venue
Clinical Nutrition
Publisher
Elsevier BV
Published
2013-10
Volume
32
Issue
5
Pages
704-712
ISSN
0261-5614 (ISSN-L)
OpenAlex
W2129894754
Cited by
287
References
43
Citations by year
2026: 18 · 2025: 19 · 2024: 21 · 2023: 17 · 2022: 19 · 2021: 26 · 2020: 36 · 2019: 19 · 2018: 30 · 2017: 21 · 2016: 21 · 2015: 18 · 2014: 14 · 2013: 7 · 2012: 1
FWCI
11.61
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Physiology › Spaceflight effects on biology
Keywords
beta-hydroxy-beta-methylbutyrate, HMB supplementation, lean body mass, muscle mass loss, bed rest, disuse atrophy, older adults, leucine metabolites, body composition, sarcopenia prevention
MeSH terms
Aged, Aging, Bed Rest, Body Composition, Double-Blind Method, Female, Humans, Male, Middle Aged, Muscle Proteins, Musculoskeletal Physiological Phenomena, Valerates, Absorptiometry, Photon, Muscle, Skeletal, Dietary Supplements, Muscle Development, Whole Body Imaging, Muscle Strength, Resistance Training, Sarcopenia

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