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Sarcopenia: an overview

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Abstract

Sarcopenia, the age-dependent loss of muscle mass and function, is a common condition among older adults, and is associated with several adverse health outcomes. Owing to the impact of sarcopenia on quality of life, disability and mortality, a greater awareness is necessary in order to correctly identify the condition both in community and geriatric settings. Research on sarcopenia prevention and treatment is developing quickly, but many questions are still unanswered. The core of the sarcopenia condition involves quantitative and qualitative losses of skeletal muscle. These two dimensions should therefore be considered when designing and testing preventive and therapeutic interventions. The recently released operationalization of sarcopenia by the Foundation for the National Institutes of Health (FNIH) Sarcopenia Project allows for the framing of an objective, standardized, and clinically relevant condition, which should facilitate its translation into the clinical arena as well as its adoption by public health and regulatory agencies. Such a conceptualization might eventually encourage key stakeholders to combine their efforts in approaching the sarcopenia condition. Bearing these considerations in mind, the “Sarcopenia and Physical fRailty IN older people: multi-componenT Treatment strategies” project has operationalized a specific condition, named physical frailty and sarcopenia (PF&S), characterized by the combination of low physical performance (based on the Short Physical Performance Battery) and low muscle mass (according to the FNIH cut-points). A randomized controlled trial will be conducted to evaluate the efficacy of a multi-component intervention for preventing mobility disability and other adverse health outcomes in older adults with PF&S.

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Acknowledgements

The present work was funded by a grant from the Innovative Medicines Initiative—Joint Undertaking (IMI-JU 115621). The work was also partly supported by the “Centro Studi Achille e Linda Lorenzon” (E.M., R.C.), Fondazione Roma (NCDs Call for Proposals 2013; E.M., R.C.), and intramural research grants from the Catholic University of the Sacred Heart (D3.2 2013 and D3.2 2015; E.M., F.L., R.C.).

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Correspondence to Emanuele Marzetti or Francesco Landi.

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The authors of the present work are partners of the SPRINTT Consortium, which is partly funded by the European Federation of Pharmaceutical Industries and Associations (EFPIA). E.M. served as a consultant for Huron Consulting Group, Genactis, and Novartis. M.C. served as a consultant for and/or received honoraria for scientific presentations from Nestlé.

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Marzetti, E., Calvani, R., Tosato, M. et al. Sarcopenia: an overview. Aging Clin Exp Res 29, 11–17 (2017). https://doi.org/10.1007/s40520-016-0704-5

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