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NCT05549622
Muscle health declines during aging. One factor that may impact muscle health is the community of bacteria that live in our intestines, but studies aimed at improving muscle health by targeting the gut in older adults are sparse. The primary goal of this study is to use a diet that is enriched in soluble fiber, which is exclusively utilized by gut bacteria to make substances that can impact muscle health, to improve muscle-related measures in older adults.
NCT06323538
The Cohort on Plant-based Diets (COPLANT) study is a multi-centre cohort study that starts baseline recruitment from 2024 to 2027 with approximately 6,000 participants in Germany and Austria. The COPLANT study focuses on vegan (no animal products), vegetarian (no meat and fish, but dairy products and eggs), pescetarian (no meat, but fish) and omnivorous (mixed diet including all possible animal products) diets. The aim of the COPLANT study is to gain new insights on health benefits and risks as well as social, ecological and economic effects of different plant-based diets in comparison to a mixed diet. In addition to a detailed dietary survey using an app adapted to the needs of this study, the baseline examination includes measurements of body composition, bone health, cardiovascular risk factors, diabetes risk, contaminants and lifestyle. For the basic laboratory program, fasting blood, 24-hour urine collection and a stool sample are taken from all study participants. Furthermore, specific aspects of dietary behavior, physical activity and other lifestyle factors are collected via questionnaires. Follow-up studies are planned at intervals of 5, 10 and 20 years after the baseline visit.
NCT06173271
Sarcopenia is characterized by loss of skeletal muscle mass and strength with advancing age. It is linked to an increased risk of falls, disability, length of hospitalization, poor quality of life, and burden of health care. Nutrition and physical activity are the major modifiable factors to prevent and mitigate sarcopenia. However, most studies focused on the explore the effects of physical activity or single nutrient supplementation. Whether a multi-intervention program combining protein-rich food intake, nutrition education, and exercise can more effectively reduce the risk of sarcopenia still needs to be explored at the community level. This study aimed to investigate the effects of a multi-intervention program (protein-rich food supplement, nutrition education, and exercise) on reducing the risk of sarcopenia. The primary outcome is to evaluate the effect of a multi-intervention program and exercise intervention only. The second outcome is to assess the impact of animal and plant source protein on muscle mass and physical performance. Investigators will recruit the study participants over the age of 60 from the free-living community. All participants were randomized into five groups: animal protein, plant protein, exercise and nutrition education, exercise alone, and control. For 8 weeks, except for control group, all four groups receive resistance training 3 times/week. However, the animal and plant protein groups provide milk 240 mL and soy milk 230 mL (7-8 g protein/serving) after exercise, respectively, and receive personal nutritional counseling and education to adhere to dietary recommendations. Dual-energy X-Ray using to evaluate the body composition and measure the grip strength, five-time chair stand test, and gait speed to assess physical performance pre- and post-intervention. The results of this study can be used to prevent muscle mass loss and frailty for older adults in the community.
NCT06622447
Reducing caloric intake and increasing energy expenditure as a strategy against overweight and its associated dyslipidaemia to reduce the risk of cardiovascular disease currently has a high failure rate. For this reason, the consumption of food supplements capable of reducing intestinal fat absorption is seen as a tool of great interest. The vast majority of existing fat-binder compounds have polymers such as chitin/chitosan as their active product. However, these are mainly derived from the exoskeleton of crustaceans, so their extraction and composition are highly variable, depending on season, geography and age. The food supplement studied here refers to a new selective fat binder compound consisting mainly of a β-glucan/chitin/chitosan polymer (βGluQnQs), which is derived from the cell wall of the yeast Saccharomyces cerevisiae, a residue produced during brewing. In vitro studies show that βGluCnCs has a high selective binding capacity for saturated fats with minimal impact as a ligand for omega-3 polyunsaturated fatty acids. In vivo tests in animal models and two pilot studies at clinical level corroborate the beneficial and selective effect of βGluCnCs supplementation in reducing saturated fat absorption and body weight reduction, with no adverse nutritional effects. This study aimed to assess the impact of consuming a polysaccharide-rich compound containing β-Glucan/Chitin-Chitosan (βGluCnCs) fraction on the lipid profile and biomarkers of adipose tissue metabolism at plasma level, as well as on oxidative stress and circulating pro-inflammatory status in overweight or obese individuals, thereby reducing their cardiovascular risk. The βGluCnCs compound was administered continuously and regularly for 12 weeks, compared to a placebo control that received microcrystalline cellulose.The effects were evaluated on lipid profile, lipoprotein subclass pattern and functionality and molecular markers associated with insulin resistance.
NCT06102135
Enterally fed adults with documented evidence of gastrointestinal intolerance will be recruited. Participants will be deemed by the investigator as having a clinical indication for enteral feeding with a fibre containing peptide formula. Data from 15 participants are required in order to submit an application to the Advisory Committee on Borderline Substances (ACBS) for product registration.
NCT06046703
The goal of this observational study is to compare the nutritional intake among pregnant women with a strict plant-based diet versus an omnivorous diet. The main aim is to compare vitamin B12 intake. Participants will be asked to: * fill out a health questionnaire * fill out a three-day food diary * undergo blood sampling Researchers will compare pregnant women with a strict plant-based diet and pregnant women with an omnivorous diet to see if their nutritional intake is comparable.
NCT02838732
In this project, the investigators aim to explore the impact of dietary L-carnitine supplementation on the TMAO production capacity of gut microbiota.
NCT05763992
Italian, multicenter, open-label, two-arm, comparative, randomized phase II study investigating if the addition of the experimental metabolic intervention consisting in cycles of Fasting-Like Approach, as administered every three weeks up to a maximum of 8 consecutive cycles, is able to increase the anticancer activity of standard preoperative chemo-immunotherapy in patients with localized invasive Triple Negative Breast Cancer.
NCT05668832
The European Food Safety Authority has approved many applications for UVB light treated foods (e.g. UVB-exposed button mushrooms) in the last years. The UVB light treatment is used to increase the vitamin D content in foods and improve the vitamin D status of subjects. However, UVB irradiation is accompanied by the formation of vitamin D photoisomers such as lumisterol and tachysterol. The current study aims to investigated whether these vitamin D photoisomers can enter the circulation and are metabolised in humans that consume UVB-treated mushrooms.
NCT05455164
The aims of this study is to investigate the effect of eucaloric high protein and fiber diet on healthy subjects.
NCT03998800
The objective of this trial is to determine the effects of dietary supplementation with the amino acids, L-arginine and L-citrulline, on endurance performance and mitochondrial respiration in healthy men compared to supplementation with L-arginine alone and a placebo supplement.
NCT03562988
The objective of this exploratory pharmacokinetic research study is to demonstrate that both caplets and gummies provide an effective dose of ascorbic acid in healthy adults.
NCT04486105
With free sugar intake proving to be of a concern within the general public, discovery and validation of a new biomarker will allow for more consistent measurement of sucrose intake. Furthermore, using a multi-omic approach the investigators will identify metabolic perturbations to the metabolome and proteome.
NCT03683654
This proposal aims at identifying new biomarkers of dietary exposure using metabolomic approaches. This project is based on the European Prospective Investigation on Cancer and Nutrition (EPIC) Calibration Study and more particularly upon a subset of 494 men and women from 4 European countries (Germany, Greece, Italy and France). Urine and blood samples are analyzed by untargeted metabolomics.
NCT01963364
Some carbohydrates (complex sugars) which are found in grains, fruit and vegetables, cannot be digested by humans. When eaten they pass through the small bowel to the large bowel, or colon. Some bacteria that live in the colon are able to digest these carbohydrates, and use them as an energy source. This releases energy that humans can absorb, and may have other effects on health as well. The process also releases gases such as hydrogen and methane into the colon, which will eventually be released as flatulence. There is some evidence in animals, and humans, that changing the carbohydrate content of the diet may increase the numbers of bacteria in the colon that can use this energy source. Recent work has looked at how changes in colon bacteria and carbohydrate in the diet affect transit, the speed at which food and stool moves through the stomach and bowels. This undergraduate project will use techniques in Magnetic Resonance Imaging developed in Nottingham to investigate how a prolonged change in dietary carbohydrate might affect speed of transit through the bowel and gas production in the colon, and whether there is any evidence of a change in the level of signalling chemicals that may affect bowel function.