Obesity Clinical Trial
Official title:
Exploration on Prevention and Treatment Mechanism of Obese Patient With Weight Cycling: An Investigator-initiated Single-center Cohort Study
Medical nutritional weight loss was effective in reducing body weight and waist circumference and improving a range of cardiovascular disease risk factors in obese patients, with an average effective weight loss of 11.1 kg (about 13%) over 4 months in obese adults. However, it was found through the follow-up visit that these subjects had lost only 5.8kg from baseline and regained about half of their weight (5.1 kg, 48%) after 21 months of weight-loss intervention. In this study, intestinal flora analysis was proposed to identify the causes of individual repeated weight loss failure, structure changes of weight cycling and the advantage species of flora, and explore different intestinal microbiota（microbial genomics） in ending weight loss, obesity-related genetic characteristics (SNPs loci and RNA seq), metabolite（metabolomics）and potential interaction between appetite-related hormones and weight cycling triggers. This study aimed to provide new insights for implementing personalized weight loss programs to improve the success rate of weight loss. The obese patients who failed to lose weight repeatedly were recruited from Peking Union Medical College Hospital. Research Contents:(1) Comparison of anthropometric, biochemical, energy consumption, and intestinal microbiota related indicators between groups; (2) Genotyping to screen out differential SNPs loci;(3) Analysis of the interaction between genes and environmental factors in different metabolic types of obesity. (4) A group of healthy volunteers with normal weight as the healthy control group.
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