Effect of a Specific Blend of Fibers and Probiotics on the Microbiome
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Lausanne, Switzerland, 1000
- Société des produits Nestlé/Metabolic Unit
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Informed consent signed
- Adult men and women aged 18 to 45 years
- Healthy based on the medical screening visit and medical questionnaire
- BMI in the range of 18.5 to 29.9 kg/m2.
Exclusion Criteria:
- Known food allergy and intolerance
- Currently participating in another clinical trial or research project
- Fewer than 5 spontaneous bowel movements per week on average
- Chronic or recurrent diarrhea with spontaneous bowel movements more often than 2 times daily
- Systemic antibacterial/antifungal therapy during the 3 months prior to study enrolment
- Medications or supplements that are known to alter gut function or microflora during the 4 weeks prior to study enrolment
- Volunteers under anti-hyperlipidemic, antihypertensive, estrogen-related and/or anticoagulant agents
- Prior gastrointestinal surgery (apart from appendectomy, cholecystectomy or herniotomy)
- Alcohol intake higher than 2 servings per day. A serving is 0.4 dl of strong alcohols, 1 dl of red or white wine, or 3 dl of beer.
- Artificially sweetened beverage intake higher than 1000 ml/ per day
- Female subjects will be excluded if they are pregnant, gave birth in the last 6 months, or are lactating.
- Subject having a hierarchical or family link with the research team members.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
No Intervention: No intervention
|
|
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Experimental: Nutrition intervention
Ingestion of fibers and probiotics daily for 22 days
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A blend of fibers and seven probiotics
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Minimizing microbiota composition change
Time Frame: Daily from Day -4 to day + 7 (Day 0 is the start of the challenge)
|
Shotgum metagenomics
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Daily from Day -4 to day + 7 (Day 0 is the start of the challenge)
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Increased intestinal microbiota diversity
Time Frame: Daily from Day -4 to day + 7 (Day 0 is the start of the dietary challenge)
|
Measured by the Shannon diversity index
|
Daily from Day -4 to day + 7 (Day 0 is the start of the dietary challenge)
|
|
Increased microbiota gene richness
Time Frame: Daily from Day -4 to day + 7 (Day 0 is the start of the dietary challenge)
|
Measured by gene counts from metagenome sequencing of the fecal microbiota
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Daily from Day -4 to day + 7 (Day 0 is the start of the dietary challenge)
|
|
Gut comfort
Time Frame: Daily from Day -10 to day + 7 (Day 0 is the start of the dietary challenge)
|
Assessed each Gastrointestinal Symptoms (VOMITING, NAUSEA, AUDIBLE BOWEL SOUNDS, FLATULENCE, ABDOMINAL CRAMPS, BLOATING ) with a scale (from 0 to 10, 10 being the worst outcome)
|
Daily from Day -10 to day + 7 (Day 0 is the start of the dietary challenge)
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Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Sami Damak, Société des Produits Nestlé
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- 19.17.NRC
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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