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NCT07457437
This study aims to investigate the effect that a structured, progressive resistance exercise program may have on maintaining the muscle mass and physical function of overweight/ obese females whilst they experience a tirzepatide (GLP-1/GIP receptor agonist) induced weight loss. Overweight and obese females aged 25-50 will be recruited for the study, they will require a BMI of \>30 or \>27 with one obesity related comorbidity (excluding diabetes). They will be screened, prescribed tirzepatide and then randomly assigned to either the intervention (GLP-1/GIP + Exercise) or the control group (GLP-1/GIP). Groups will then be split into pre and peri menopausal groups to provide a further exploratory pathway looking analysing if the menopause transition may have any effect on our outcome variables. This was proposed as in the UK females are more likely to begin GLP-1RA treatment. Both groups will be given an industry standard treatment of tirzepatide over 20 weeks starting at a dose of 2.5mg/week and following the dose titration process of +2.5mg/week every four weeks outlined by its manufacturers. The Exercise Group (GLP-1 +EXC) will be given the same tirzepatide prescription alongside following a progressive resistance exercise program. The exercise program will follow a similar structure to previous work in which participants will complete a propriety 20-wk whole body, low impact resistance exercise training program four times a week. The exercise sessions will be up to an hour and will be instructor lead by video and supervised by a member of the research team at The University of Exeter.
NCT07237997
When a patient has dialysis some nutrients are lost in the process. Nutritional losses include protein, trace elements (i.e. zinc, copper and selenium) and water-soluble vitamins (Vitamins C and B). These nutrients are essential for normal body function, including a good immune system and nutritional status. For example, on average the protein losses during a dialysis session (the process where the blood is cleaned via a machine and special fluid) is equal to 6g of protein/day (which is the equivalent of the amount of protein in 1 egg). Protein needs for the general population are 0.8g protein per kg of body weight. Because people on dialysis lose protein via the dialysis, it is thought that these people need to eat more protein. Currently, in clinical practice for people receiving dialysis, the guidelines are to aim for 1.1 -1.4g of protein per kg of body weight. However, the research is old and very weak. Dialysis treatments have changed over the past 40 years, and the investigator does not know if the replacement of these nutritional losses is important to how well people do on dialysis and if they have any effect on survival. Previous research is mostly limited to haemodialysis (a type of dialysis that requires a machine which cleans the patients' blood via special filters) and peritoneal dialysis (this is a type of dialysis which happens via the patients' tummy). There is no research on the nutritional supplementation in home HD and nocturnal HD. Our research will investigate if a higher protein provision leads to a reduction is hospital admissions and improved outcomes in patients receiving dialysis.