Abstract
Background: A chronic low-grade inflammatory profile (CLIP) is associated with sarcopenia in older adults. Protein and Vitamin (Vit)D have immune-modulatory potential, but evidence for effects of nutritional supplementation on CLIP is limited. Aim: To investigate whether 13 weeks of nutritional supplementation of VitD and leucine-enriched whey protein affected CLIP in subjects enrolled in the PROVIDE-study, as a secondary analysis. Methods: Sarcopenic adults (low skeletal muscle mass) aged ≥ 65 years with mobility limitations (Short Physical Performance Battery 4–9) and a body mass index of 20–30 kg/m 2 were randomly allocated to two daily servings of active (n = 137, including 20 g of whey protein, 3 g of leucine and 800 IU VitD) or isocaloric control product (n = 151) for a double-blind period of 13 weeks. At baseline and after 13 weeks, circulating interleukin (IL)-8, IL-1 receptor antagonist (RA), soluble tumor-necrosis-factor receptor (sTNFR)1, IL-6, high-sensitivity C-reactive protein, pre-albumin and 25-hydroxyvitamin(OH)D were measured. Data-analysis included repeated measures analysis of covariance (corrected for dietary VitD intake) and linear regression. Results: IL-6 and IL-1Ra serum levels showed overall increases after 13 weeks (p = 0.006 and p < 0.001, respectively). For IL-6 a significant time × treatment interaction (p = 0.046) was observed, with no significant change over time in the active group (p = 0.155) compared to control (significant increase p = 0.012). IL-8 showed an overall significant decrease (p = 0.03). The change in pre-albumin was a significant predictor for changes in IL-6 after 13 weeks. Conclusions: We conclude that 13 weeks of nutritional supplementation with VitD and leucine-enriched whey protein may attenuate the progression of CLIP in older sarcopenic persons with mobility limitations.
Original language | English |
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Pages (from-to) | 845-854 |
Number of pages | 10 |
Journal | Aging Clinical and Experimental Research |
Volume | 31 |
Issue number | 6 |
DOIs | |
Publication status | Published - 1 Jun 2019 |
Funding
We thank the participants for giving their time and energy to volunteer for this trial. We are grateful to the research staff members at each study site for their energy and commitment to achieving the aims of this study. We thank Dr. Wilfried Cools ("Interfaculty Center Data processing and Statistics (ICDS), Vrije Universiteit Brussel) for the bio-statistical advice. We are thankful to the PROVIDE study group* for their professional oversight and guidance. This study was financially supported and study products were provided by Nutricia Research, Nutricia Advanced Medical Nutrition. *PROVIDE study group members: Jürgen M. Bauer, Sjors Verlaan, Ivan Bautmans, Kirsten Brandt, Lorenzo M. Donini, Marcello Maggio, Marion E. T. McMurdo, Tony Mets, Chris Seal, Sander L. Wijers, Gian Paolo Ceda, Giuseppe De Vito, Gilbert Donders, Michael Drey, Carolyn Greig, Ulf Holmbäck, Marco Narici, Jamie McPhee, Eleonora Poggiogalle, Dermot Power, Aldo Scafoglieri, Ralf Schultz, Cornel C. Sieber, Tommy Cederholm. Acknowledgements We thank the participants for giving their time and energy to volunteer for this trial. We are grateful to the research staff members at each study site for their energy and commitment to achieving the aims of this study. We thank Dr. Wilfried Cools ("Interfaculty Center Data processing and Statistics (ICDS), Vrije Universiteit Brussel) for the bio-statistical advice. We are thankful to the PROVIDE study group* for their professional oversight and guidance. This study was financially supported and study products were provided by Nutricia Research, Nutricia Advanced Medical Nutrition. *PROVIDE study group members: Jürgen M. Bauer, Sjors Verlaan, Ivan Bautmans, Kirsten Brandt, Lorenzo M. Donini, Marcello Maggio, Marion E. T. McMurdo, Tony Mets, Chris Seal, Sander L. Wijers, Gian Paolo Ceda, Giuseppe De Vito, Gilbert Donders, Michael Drey, Carolyn Greig, Ulf Holmbäck, Marco Narici, Jamie McPhee, Eleonora Poggiogalle, Der-mot Power, Aldo Scafoglieri, Ralf Schultz, Cornel C. Sieber, Tommy Cederholm.
Funders | Funder number |
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Nutricia Advanced Medical Nutrition | |
Nutricia Research | |
Vrije Universiteit Brussel |