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186 active trials for Metabolic Syndrome

Fecal Microbial Transplantation and Fiber Supplementation in Participants With Obesity and Metabolic Syndrome.

Obesity is increasing in western society at a rapid rate and is associated with metabolic and cardiovascular disease. Although genetics, improper diet, and sedentary lifestyle are known to be factors that can cause obesity, there is a new idea that certain gut microbes may also be involved. Patients who are obese tend to have different kinds of gut microbes compared with lean healthy individuals. Previous studies have shown that changing the gut microbes of obese individuals by doing a fecal transplant (FMT) using gut microbes from a lean individual improves insulin resistance. However, the effects were not maintained. In addition, research has highlighted a necessary role for dietary fiber in the maintenance of microbes required for human health and also that increasing dietary fiber can reduce inflammation that is associated with insulin resistance. This project builds on the findings that gut microbes can be modulated by both FMT and dietary fiber supplementation and will examine if combining these two treatments can increase the effectiveness of these treatments. The objective of this study is to use fecal microbial transplant to change the gut microbes of obese individuals to those seen in lean individuals and then to use fiber supplements to help maintain the beneficial effects. In this study, overweight individuals who have metabolic syndrome will receive a fecal transplant using a pill form and then consume a variety of fiber supplements for 6 weeks. Effects on metabolic parameters, quality of life, weight, and dietary intake will be followed. Microbial composition will be measured in stool samples.

Start: April 2018
PREMIER: PREvention of Metabolic Illness Through prEcision nutRition

Dietary intake is a major driving force behind the escalating obesity and type 2 diabetes epidemics. Large, high-quality clinical trials have shown that close adherence to healthy dietary recommendations significantly reduce the incidence of obesity and type 2 diabetes, especially among people at increased risk. However, large inter-individual variability exists in response to dietary interventions. To inform more effective obesity and type 2 diabetes prevention strategies, it is crucial to better understand the biological, environmental, and social factors that influence how people interact and respond to specific foods. In a recent large-scale genome-wide association study, our research team has identified 96 genomic regions associated with overall variation in dietary intake. This study provided evidence that inherited molecular differences are likely to impact on food intake (i.e., preference for certain foods) and metabolic homeostasis (i.e., glucose regulation). Connecting knowledge about human genetic variants with information from circulating metabolites can be particularly useful in understanding the mechanisms by which some people experience a detrimental response to specific foods. The specific objective of the PREMIER study is to carry out an interventional dietary study to measure the response of blood glucose and other biomarkers to a standardized meal, and evaluate the extent to which food choices differ among individuals with distinct genetic susceptibility.

Start: January 2021