About this trial
The main aim of this study is to assess the effect of a chewing gum containing galactooligosaccharides (GOS) on the body mass index (BMI), the metabolism and the oral and intestinal microbiomes in a population of overweight adults.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Informed Consent (IC) according to ICH/GCP regulations prior to any study-specific procedures
Adults aged ≥ 25 years
Overweight as determined by a Body Mass Index > 25 kg/m2
Ability and willingness to follow the study protocol (e.g., cognitive capacity for compliance, gum chewing, faecal sample collection)
Disqualifiers
Systemic antibiotic use within the last 2 months
History of bariatric surgery
Initiation or dose adjustment of pharmaceutical treatment for dyslipidemia or hyperglycemia within the last 3 months or during the study (e.g., metformin, statins, SGLT2 inhibitors)
Use of prebiotic or probiotic supplementation (duration >1 month) within the last 6 weeks (at PI's discretion, based on medication summary of TP)
Trial design
Parallel
Treatments tested in this trial
Placebo
Dietary supplementTo chew every day during a period of 4 months 3 chewing gums (morning, noon and evening) for at least 20 minutes each.
FibreGum
Dietary supplementTo chew every day during a period of 4 months 3 chewing gums (morning, noon and evening) for at least 20 minutes each.
Treatment groups
Trial outcomes
Primary outcomes
Change in the Body Mass Index (BMI) during intervention
Difference in the BMI measured at intervention start and intervention completion
Secondary outcomes
Systolic blood pressures change during intervention
Difference in systolic blood pressure (mm Hg) between intervention completion and intervention start.
Diastolic blood pressures changes during intervention
Difference in diastolic blood pressure (mm Hg) between intervention completion and intervention start.
Self-reported weight changes during intervention
Difference in self-reported weight (kg) between intervention completion and intervention start.
Self-reported weight changes during follow-up
Difference in self-reported weight (kg) between end of follow-up period and intervention completion.
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
University of Bern
Lead sponsor
DCB Research AG
Collaborator