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NCT07433309
Supervised exercise therapy (SET) is the recommended first treatment for patients with leg artery disease (peripheral arterial disease, PAD) causing pain when walking. However, approximately 40% of patients do not benefit meaningfully and go on to require a procedure to open the blocked arteries within three months. This study investigates whether body composition measurements - specifically the quality of muscle and the amount of belly fat - taken from a CT scan already performed as part of routine care, can identify before treatment begins which patients are unlikely to respond to exercise therapy. If confirmed, this approach would allow doctors to use information from a scan patients are already having, with no additional tests, to better match patients to the right treatment from the start.
NCT06600581
Placebo controlled study for safety and efficacy of IMM01-STEM on muscle performance in seniors with obesity and muscle weakness
NCT04221750
The continuing increase in prevalence of obesity in older adults including many older Veterans has become a major health concern. The clinical trial will test the central hypothesis that a multicomponent intervention consisting of lifestyle therapy (diet-induced weight loss and exercise training) plus metformin will be the most effective strategy for reversing sarcopenic obesity and frailty in older Veterans with obesity.
NCT07035483
This prospective, single-center observational cohort study aims to explore the relationship between skeletal muscle quality, fat distribution, and metabolic health in Chinese patients with obesity, and to evaluate how bariatric surgery influences these parameters. A total of 120 participants will be enrolled, including 60 patients undergoing bariatric surgery and 60 age- and sex-matched healthy controls. The study involves cross-sectional comparisons of ectopic fat and muscle composition, as well as longitudinal follow-up of surgical patients at multiple time points up to 5 years postoperatively. MRI will be used to quantify regional fat and muscle composition, while metabolic parameters, inflammatory markers, and gut microbiota profiles will also be assessed. Primary outcomes include skeletal muscle mass and fat infiltration, visceral and subcutaneous fat volumes, and changes in insulin resistance. This study seeks to clarify the mechanisms by which bariatric surgery improves metabolic function and to identify early changes in muscle-fat composition that may predict long-term metabolic outcomes.
NCT06320158
Ageing is characterised by a change in body composition with a parallel decrease in muscle mass and an increase and central redistribution of fat. When drastically exacerbated, these two processes culminate in a condition known as sarcopenic obesity (SO). SO is characterised by the coexistence of obesity and sarcopenia (i.e. reduced muscle mass and function) and is a growing public health problem in the elderly. The health risks of obesity and sarcopenia act synergistically, maximising the risk of disability of OS. The molecular mechanisms underlying OS are largely unknown. Increased fat mass induces chronic systemic inflammation and alters the profiles of adipokines and hormones, promoting the development of sarcopenia. On the other hand, the reduction in muscle tissue (SM) typical of sarcopenia is characterised by an alteration in the metabolic properties of skeletal muscle with an increase in insulin resistance and a reduction in energy expenditure that favours the accumulation and dysfunction of adipose tissue (AT). The cellular alterations that would seem to underlie OS are: altered autophagy, cellular senescence, epigenetic and mitochondrial alterations and maladaptive activation of intra- and intercellular inflammatory circuits (e.g. cytokines, extracellular vesicles, dysfunctional circulating leukocytes). However, the interconnections between these mechanisms are still unclear. The impact of OS can be dramatic on the health and quality of life of those affected. Therefore, the identification of early biomarkers that can recognise overweight and obese individuals at risk of developing SO is of paramount importance. This would shed light on the heterogeneity of an otherwise homogeneous clinical condition, opening new horizons towards the conscious design of more personalised therapeutic strategies, allowing a more rational use of the limited resources available for the growing elderly population. The study design designed to achieve this aim is a cross-sectional observational study with an additional multicentre procedure lasting two years.
NCT06826963
This study is designed to evaluate the safety, feasibility, and effectiveness of a 12-week eccentric exercise program for older adults with sarcopenia (muscle loss) or sarcopenic obesity and chronic heart failure (HF). The program aims to improve physical performance, muscle strength, and overall health without causing excessive strain on participants. Eccentric exercise has shown potential benefits for improving muscle function, and this study will help determine if it is a safe and effective option for individuals with heart failure and muscle loss. Study Goals: The primary aim of this study is to test the feasibility and effectiveness of an eccentric exercise program for older adults with sarcopenia and CHF. The study will monitor physical performance, adherence to the program, and participants' ability to tolerate the exercise, as well as any impact on heart and muscle health. Study Population: A screening visit will be scheduled to determine if individuals meet the criteria to participate in the study. During this visit, a detailed assessment will be made, and if eligible, participants will sign an informed consent form. This study will assess whether a 12-week eccentric exercise program can help improve muscle strength, cardiovascular health, and overall physical performance in individuals with HF and sarcopenia. The program will involve exercising on an eccentric bike, which is designed to reduce strain on the heart while providing effective muscle strengthening benefits. The study will use several physical performance tests to assess the impact of the exercise program, including: 1. Short Physical Performance Battery (SPPB): Evaluates mobility and strength. 2. 6-Minute Walk Test (6MWT): Measures cardiovascular fitness. 3. Handgrip Strength and Leg Strength Tests: Assess upper and lower body muscle strength. 4. Additionally, body composition will be evaluated using tools such as DXA scans and bioelectrical impedance analysis (BIA) to measure muscle mass, fat, and overall health status. The program's adherence and tolerance will be carefully monitored by measuring session completion, intensity, and participant feedback. Primary Outcomes Feasibility Measures: 1. Recruitment and Completion Rate: The ratio of participants recruited to those who successfully complete the study, including post-intervention assessments. 2. Session Attendance: The number of training sessions attended out of the total planned sessions. 3. Adherence to Training Volume: The number of prescribed exercises completed by participants compared to the total planned. 4. Program Tolerance: Evaluated by comparing the Rate of Perceived Exertion (RPE) during sessions to the target RPE. To be considered feasible, the study must meet these criteria: Recruitment \>50%, Follow-up loss \<20%, Median attendance at training sessions \>80%, Median adherence to prescribed volume \>75%, Tolerance to RPE \>70%. Secondary Outcomes Effectiveness Measures: 1. SARC-F: A tool for identifying individuals at risk of sarcopenia, based on self-reported issues like weakness and difficulty walking. 2. Mini Nutritional Assessment (MNA): Evaluates nutritional status to rule out malnutrition, which could affect training outcomes. 3. Mini Mental State Examination (MMSE): Assesses cognitive function. 4. Minnesota Living with Heart Failure Questionnaire: Evaluates how heart failure affects daily life. 5. International Physical Activity Questionnaire (IPAQ): Measures physical activity levels at baseline. In addition to the physical performance tests mentioned, the study will assess muscle mass and fat distribution using DXA scans and BIA, providing a comprehensive view of body composition. Finally, the feasibility of remotely monitoring patients' physical activity to determine the impact of the intervention on their daily lives, specifically in terms of mobility and autonomy is assessed. To this end, patients will be asked to wear a set of five sensors (two on the ankles, two on the wrists, and one on the waist) for at least four days. The Axivity AX6 sensors, chosen for their light weight and long battery life, will collect data used to monitor time spent moving, sitting, and lying down, as well as to assess the quality of the recorded movements.
NCT05582668
The retrospective cohort study will compare the prevalence of sarcopenia and associated factors between older patients who have undergone bariatric surgery and older patients with obesity without previous bariatric surgery.
NCT05631379
This is a retrospective, observational study in consecutive patients operated on for primary RPS in the Institute of Oncology Ljubljana (Slovenia) between September 1999 and June 2020. This study aims to investigate the impact of preoperatively assessed body composition parameters on the perioperative outcomes of patients operated on for primary RPS. The impact of preoperative malnutrition, sarcopenia, sarcopenic obesity and myosteatosis to the oncologic and postoperative outcome in patients operated on for primary RPS will be examined. Additionally, the aim is to evaluate the prognostic role of preoperative immune and inflammatory markers (serum albumin level, C-reactive protein, neutrophil to lymphocyte ratio, platelet to lymphocyte ratio, high-sensitivity modified Glasgow prognostic score) and prognostic nutritional index in primary RPS patients undergoing surgery. Patient outcome will be evaluated in terms of overall survival (OS), local-recurrence free survival (LRFS), postoperative intrahospital length of stay, overall and major postoperative morbidity.
NCT06618430
INTRODUCTION: Sarcopenic obesity (SO), a functional and clinical condition, is characterized by the coexistence of obesity, marked by excess fat mass and sarcopenia, characterized by reduced strength and muscle mass. SO is associated with a greater risk of health-related adverse clinical outcomes than older adults with obesity and sarcopenia alone. Aging is accompanied by numerous changes epigenetic. These aging-associated epigenetic changes include DNA methylation, histone modification, chromatin remodeling, non-coding RNA (ncRNA) regulation, and RNA modification. DNA methylation occurs at cytosines in CpG dinucleotides in the genome and undergoes changes with age in various human tissues. Furthermore, many genes can be hypermethylated or hypomethylated on CpG islands with the aging process. Soon, a broad exploration of candidate genes may provide insights into the pathogenesis of Sarcopenic obesity. Therefore, understanding how aging, specifically sarcopenia, obesity and Sarcopenic obesity, is regulated by epigenetic factors, favors the development of new treatment therapies. Thus, the objective will be to evaluate the epigenetic influence on sarcopenic obesity in older women. METHODS: This cross-sectional study will include 32 older women who will be classified as healthy, with sarcopenia, obesity and sarcopenic obesity living in the city of Ribeirão Preto - SP. The older adults will perform total and regional body scan using iDXA, anthropometric assessment, functional capacity tests, peripheral blood collection for analysis of biochemical markers and epigenetics. For statistical analysis will be used t test, ANOVA, linear regression models and Pearson correlation. Analyzes of the complete methylome will be performed using bioinformatics tools, including specific software. EXPECTED RESULTS: It is expected that there will be differences in the patterns of methylation and gene expression in the diseases analyzed. In addition, it is expected to clarify how epigenetic changes occur throughout this process.
NCT06508242
Obesity has emerged as a risk factor in the onset of bone, muscle and adipose tissue impairments that are further aggravated by vitamin D deficiency. A link of an active bone-muscle-adipose axis is represented by Wnt pathway. This study will test the hypothesis that vitamin D improves bone, muscle, and adipose tissue health through a positive modulation of Wnt pathway. It will be carried out a double-blind, placebo-controlled study of cholecalciferol supplementation in vitamin D-deficient obese adults. Specific aims will be: 1) to test the direct effect of vitamin D on Wnt signaling in bone, muscle, and adipose tissue; 2) to evaluate muscle mass and strength; 3) to assess changes in vitamin D status across different administration strategy (weekly, fortnightly, monthly). This study will provide not only insight of new mechanisms involved in the pathophysiology of obesity-related musculoskeletal impairments but also evidence for new treatment recommendations for vitamin D deficiency in obesity.
NCT05797181
In this study, it was aimed to evaluate the effectiveness of medical nutrition therapy to be applied to patients with sarcopenic obesity receiving peritoneal dialysis treatment by measuring anthropometric measurements and blood parameters.
NCT06413030
The goal of this observational study is to evaluate the relationship of gait speed with dynapenic or sarcopenic obesity in community-dwelling older people. The main questions it aims to answer are: * Is slow walking speed related to overweight in older people in the community? * Is slow walking speed related to dynapenic obesity in older people in the community? * Is gait speed related to sarcopenic obesity in older people in the community? Participants will answer a clinical interview to obtain sociodemographic data and will perform the following clinical tests: (1) 10-meter walk test, (2) Anthropometric measurement; (3) Handgrip dynamometry test, (4) Standing dynamometry test and (5) Physical functionality questionnaires.
NCT05918159
This is a observational study, that aimed to determine the prevalence of sarcopenia using European Wording Group on Sarcopenia in Older People (EWGSOP) algorithm in a general elderly population in Algarve region (Portugal). Because muscle is metabolically active tissue, sarcopenia may also contribute to the development of some of the metabolic disorders associated with aging. However, the risk factors associated with sarcopenia are poorly understood. Thus, a cross-sectional survey of a sample of 274 elderly adults aged 60 or over, were included in the study. Correlations of sarcopenia with functional level, lipid and glycemic profile, nutritional and physical activity level, fall risk, quality of life, and self-reported comorbidities will be studied.
NCT05938205
The study will be conducted in a group of obese sarcopenic patients (Sarco-Ob) aged \> 60 years on moderately hypocaloric diet therapy aimed at comparing the effect of a strength exercise protocol, combined or not with dietary supplementation with amino acids, on physical performance, muscle strength, body composition, muscle oxidative metabolism, and biomarkers of sarcopenia. The supplementation study will be conducted in a double-blind manner.
NCT05638035
Research; It is a planned, non-invasive, controlled study in obese female volunteers and non-obese female volunteers. The population of the study consists of voluntarily non-obese women and obese women. Sarcopenia assets of individuals will be measured with the sarc-f questionnaire, and then muscle strength, muscle mass and physical performance tests will be measured. Then, rectus femoris muscle thickness will be measured with USG, and then walking and balance will be measured with ZEBRIS.