Impact of Galacto-Oligosaccharides on Adult Microbiome
Randomized, Double-blind Trial Evaluating the Impact of the Consumption of GOS (Galacto Oligosacharides) on the Adult Microbiome
1 other identifier
interventional
26
1 country
1
Brief Summary
The aim of this study is to evaluate the bifidogenic effect and other potentially beneficial effects on the microbiome of GOS.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable healthy
Started Oct 2021
Shorter than P25 for not_applicable healthy
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 14, 2021
CompletedStudy Start
First participant enrolled
October 27, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 8, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
December 9, 2021
CompletedFirst Posted
Study publicly available on registry
January 26, 2022
CompletedMay 25, 2022
May 1, 2022
1 month
October 14, 2021
May 24, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
Proportion of Bifidobacteria in the stools
Measured by Next Generation Sequencing (NGS)
Throughout 14 days of product intake
Secondary Outcomes (4)
Change in quality of life using SF-36 questionnaire (Short Form 36 Health Survey)
Throughout 14 days of product intake
Change in Short Chain Fatty Acids (SCFA) in the plasma
Throughout 14 days of product intake
Gastrointestinal Symptom Rating Scale (GSRS)
Throughout 14 days of product intake
Change in Short Chain Fatty Acids (SCFA) in the stool
Throughout 14 days of product intake
Study Arms (2)
Milk powder without GOS
PLACEBO COMPARATORMilk powder with GOS
ACTIVE COMPARATORInterventions
one sachet per day dissolved in 200 ml of water
Eligibility Criteria
You may qualify if:
- Age 18-55 years,
- Healthy participants, both male and female
- BMI in the normal and overweight range 18.5 ≤ BMI ≤ 29.9 kg/m2
- Able to understand and to sign a written informed consent prior to study enrolment
You may not qualify if:
- Known chronic diseases or conditions for which the investigators/investigation team deem as not suitable for study participation,
- Known food allergy and intolerance e.g. lactose intolerance,
- Habitually, have \< 5 spontaneous bowel movements on average per week,
- Chronic or recurrent diarrhoea with spontaneous bowel movements \> 2 per day
- Prior gastrointestinal surgery (apart from appendectomy or herniotomy),
- Received systemic antiviral/antibacterial/antifungal therapy during the 3 months prior to study enrolment,
- Medications or supplements that are known to alter gut function or microflora i.e. acid antisecretory drugs, pre-/probiotics, laxative during the 4 weeks prior to study enrolment,
- Anti-hyperlipidaemic, antihypertensive medications and/or anticoagulant agents,
- Currently participating in another interventional clinical trial or research project,
- Alcohol intake \> 2 servings per day; specifically, a serving is 0.4 dl of strong alcohols, 1 dl of red or white wine, or 3 dl of beer. Or other chronic substance abuse,
- Changing diet patterns due to travelling and staying abroad for more than two weeks (Asia, Africa, or Latin America) during the two months prior to study enrolment,
- Food restrictions such as vegan, vegetarian, ketogenic, low carb, paleo, raw diets, caloric restrictive diets,
- Artificially sweetened beverage intake \>1000 ml/ per day,
- Female participants will be excluded if they are pregnant, have given birth in the last 6 months, or are lactating,
- Subject having a hierarchical or family link with the research team members,
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Clinical Innovation Lab
Lausanne, Canton of Vaud, 1000, Switzerland
Related Publications (1)
Siegwald L, Cherta-Murillo A, Christen S, Boulange CL, Chou CJ, Foata F, Lahiry A, Frezal A, Giner MP, Godin JP, Sakwinska O. The Impact of Low-Lactose, High Galacto-Oligosaccharides Milk on Gut Microbiome and Plasma Metabolome in Healthy Adults: A Randomized, Double-Blind, Controlled Clinical Trial Complemented by Ex Vivo Experiments. Curr Dev Nutr. 2025 Jul 24;9(9):107506. doi: 10.1016/j.cdnut.2025.107506. eCollection 2025 Sep.
PMID: 40909168DERIVED
MeSH Terms
Interventions
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- PREVENTION
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 14, 2021
First Posted
January 26, 2022
Study Start
October 27, 2021
Primary Completion
December 8, 2021
Study Completion
December 9, 2021
Last Updated
May 25, 2022
Record last verified: 2022-05
Data Sharing
- IPD Sharing
- Will not share