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The Role of Microbiome in Recurrent Obesity Before and After Antibiotic/Placebo Treatment

RecruitingNAAges 18 Years - 65 YearsAllWeizmann Institute of Science
NCT06681246 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This past century witnessed a significant increase in the prevalence of obesity. Successful weight loss maintenance is defined as losing at least 10% of the initial body weight and maintaining it for at least one year. However, keeping a low body weight is rarely maintained, as 80% of people who lost 10% of their body weight will return to their initial weight within a year. Although there is no agreement as to what contributes to the recurrent weight regain phenomenon (also known as 'weight cycling' or 'yo-yo diet'), it is strongly associated with the risk of developing metabolic risk factors and their complications, including heart disease and all-cause mortality. Altering the gut microbiota is one method to treat disease states associated with gut bacteria. Antibiotics consumption is known to influence host glycemic response through changes induced in microbiome composition and functi

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📋 Eligibility rules (as published)
Inclusion Criteria: * 28 \< BMI\< 40 * Age - 18-65 * Capable of working with a smartphone application Exclusion Criteria: * Consumption of antibiotics/probiotics/oral antifungals 2 months prior to the first day of the experiment. * Pregnancy, fertility treatments, breastfeeding women six months prior to enrollment and during the study. * Chronic disease, to the discretion of the study team (e.g. AIDS, Cushing syndrome, CKD, acromegaly etc.) * Cancer and recent anticancer treatment * Psychiatric disorders, to the discretion of the study team. * Coagulation disorders * IBD (inflammatory bowel diseases) * Bariatric surgery. * Eating disorders (Anorexia nervosa. Bulimia nervosa. Binge eating disorder, Night eating syndrome). * Alcohol or substance abuse * Weight loss attempts 6 months prior to the first day of the experiment - using weight loss medication. * Drastic changes in nutritional habits six months prior to the first day of the study - to the discretion of the study team. * Allergy to penicillin. * Life threatening reaction after consumption of cephalosporins. * History of CDI * Liver disease * History of serious unresolved diarrhea in response to antibiotic treatment to the discretion of the study doctor.
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What it tests

  • Antibiotic treatment
  • Placebo
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Where

1 site
Weizmann Institute of Science
Rehovot, Israel
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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