NCT07196189 Effects of Fecal Microbiota Transplantation

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What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 84 participants in total. It began in 2022-03-16 with a primary completion date of 2026-11-16.

Brief Summary

The intestinal microbiota plays an essential role in digestion and, through the gut-brain axis, in the regulation of weight gain and eating behavior. The balaEating disorders (EDs) are serious pathologies affecting adolescence and young adults, likely to become chronic, with long-term morbidity and mortality impacts. These pathologies represent a very important public health issue. EDs are defined by the DSM-V classification criteria and include different forms: anorexia nervosa, bulimia nervosa, hyperphagia, and atypical or unspecified forms. The global prevalence of these diseases reaches 8.4% in women and 2.2% in men. These eating disorders lead to numerous psychiatric and somatic complications and have a significant impact on the quality of life and mortality of patients (particularly in anorexic patients). The molecular mechanisms underlying eating disorders are still poorly understood. The etiological origin of these diseases is complex and involves various biological, psychological, and sociocultural factors. The intestinal microbiota, which corresponds to the community of microorganisms living inside the intestine, could be one of these factors. Indeed, the microorganisms of the microbiota interact very closely with intestinal cells but also with distant organs, such as the brain, via nerve communications or the bloodstream. nce and dialogue between the intestinal microbiota and human cells can be altered following changes in the environment, diet, or stress. These disturbances, found among others in patients suffering from eating disorders, can lead to a lasting change in the composition or metabolic activity of the microbiota (dysbiosis), which can have profound repercussions on human physiology. Several clinical studies conducted on patients with anorexia have highlighted the existence of intestinal dysbiosis in these individuals. As with anorexia, the potential role of intestinal dysbiosis in bulimic and binge eating patients remains currently unknown. This dysbiosis could have a harmful effect on intestinal physiology and promote the onset of functional digestive disorders, which are frequently found in patients suffering from eating disorders. This dysbiosis could also lead to a disruption of communication along the gut-brain axis and contribute to the eating disorders observed in these patients.

Eligibility Criteria

Inclusion Criteria: Patients with ED * Women. * Aged 18 to 50. * First consultation in the Nutrition Department of Rouen University Hospital for ED. * Positive SCOFF with diagnosis of anorexia nervosa, bulimia nervosa, or binge eating disorder. * Affiliation with a social security plan. * Patient who has read and understood the information letter and does not object to participating in the study. Healthy Volunteers * Women. * Aged 18 to 50. * Body mass index between 18.5 and 24.9 kg/m². * SCOFF test: no positive response. * No history of ED or active ED (DSM V criteria negative). * Affiliation with a social security plan. * Individual who has read and understood the information letter and does not object to participating in the study. Exclusion Criteria: Patients with ED * Men. * Aged under 18 and over 50. * Negative SCOFF. * Patients who have received antibiotic treatment in the last 3 months. * Patients with a history of IBD or surgical procedures on the digestive tract. * Patient refuses to participate in the study. * Persons deprived of liberty by judicial or administrative order. * Pregnant or breastfeeding women. * Protected persons (guardianship or curatorship). Healthy volunteers * Men. * Aged under 18 and over 50. * SCOFF test with at least one positive response. * History or active ED (DSM V criteria). * Persons who have received antibiotic treatment in the last 3 months. * Person with a history of IBD or surgical procedures on the digestive tract. * Body mass index less than 18.5 or greater than 24.9 kg/m2. * Pregnant or breastfeeding women. * Protected persons (guardianship or curatorship).

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