SARCOPENIA AT INITIAL DIAGNOSIS OF PEDIATRIC INFLAMMATORY BOWEL DISEASE

Inflammatory bowel disease (IBD) can impact patients’ nutritional status. Poor oral intake, poor nutrient absorption, stool protein loss, and increased energy requirement all contribute. Poor nutritional status can manifest as inadequate growth, reduced weight gain, and sarcopenia, defined as decreased muscle mass and strength. Studies demonstrate decreased muscle mass in pediatric IBD patients leads to higher rates of therapy escalation, surgery, and post-operative complications. We sought to obtain the muscle mass at IBD diagnosis via cross-sectional imaging, compare to pediatric age- and sex-specific psoas muscle reference values for pediatric norms, and analyze muscle mass comparison between IBD subtypes and correlations with anthropometrics at diagnosis.

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Gennaio 2024

Biophysical and nutritional combination treatment for myosteatosis in patients with sarcopenia: a study protocol for single-blinded randomised controlled trial

Introduction
Sarcopenia is characterised by age-related loss of skeletal muscle and function and is associated with risks of adverse outcomes. The prevalence of sarcopenia increases due to ageing population and effective interventions is in need. Previous studies showed that β-hydroxy β-methylbutyrate (HMB) supplement and vibration treatment (VT) enhanced muscle quality, while the coapplication of the two interventions had further improved muscle mass and function in sarcopenic mice model. This study aims to investigate the efficacy of this combination treatment in combating sarcopenia in older people. The findings of this study will demonstrate the effect of combination treatment as an alternative for managing sarcopenia.

Methods and analysis
In this single-blinded randomised controlled trial, subjects will be screened based on the Asian Working Group for Sarcopenia (AWGS) 2019 definition. 200 subjects who are aged 65 or above and identified sarcopenic according to the AWGS algorithm will be recruited. They will be randomised to one of the following four groups: (1) Control+ONS; (2) HMB+ONS; (3) VT+ONS and (4) HMB+VT + ONS, where ONS stands for oral nutritional supplement. ONS will be taken in the form of protein formular once/day; HMB supplements will be 3 g/day; VT (35 Hz, 0.3 g, where g=gravitational acceleration) will be received for 20 mins/day and at least 3 days/week. The primary outcome assessments are muscle strength and function. Subjects will be assessed at baseline, 3-month and 6-month post treatment.

Ethics and dissemination
This study was approved by Joint CUHK-NTEC (The Chinese University of Hong Kong and New Territories East Cluster) Clinical Research Management Office (Ref: CRE-2022.223-T) and conformed to the Declaration of Helsinki. Trial results will be published in peer-reviewed journals and disseminated at academic conferences.

Trial registration number
NCT05525039.

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Gennaio 2024