EXploratory Study on Postprandial Energy Metabolism
EXPEM
Efficacy of Probiotics on Postprandial Energy Metabolism of Adults With Overweight or Obesity: an EXploratory Clinical Trial
1 other identifier
interventional
66
1 country
1
Brief Summary
This exploratory, double-blinded clinical trial on 66 randomized adults aged 50 to 70 years with moderate overweight or obesity but considered metabolically healthy will consist of comparing metabolic and microbiota parameters before and after 3 months of consumption of a probiotic or a placebo.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Apr 2025
Typical duration for phase_2
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
January 8, 2025
CompletedFirst Posted
Study publicly available on registry
January 22, 2025
CompletedStudy Start
First participant enrolled
April 7, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
February 1, 2028
May 9, 2025
May 1, 2025
2.8 years
January 8, 2025
May 7, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change from baseline in postprandial triglyceridemia after 3 months
The difference (delta) from baseline in the area under the incremental curve (AUCi (0-300 min)) of postprandial triglyceridemia in response to a test meal after 12 weeks of probiotic supplementation versus placebo.
12 weeks
Secondary Outcomes (27)
Change in vital parameter
12 weeks
Change in vital parameter
12 weeks
Change in anthropometric measurement
12 weeks
Change in anthropometric measurement
12 weeks
Change in blood lipid concentrations from baseline
12 weeks
- +22 more secondary outcomes
Study Arms (2)
Probiotic
EXPERIMENTALThe product contains the probiotic strain and no other ingredients.
Placebo
PLACEBO COMPARATORThe control product is a placebo with the same characteristics of appearance and packaging as the tested product.
Interventions
Eligibility Criteria
You may qualify if:
- Man or woman;
- Age between 50 and 70 years old (inclusively);
- Postmenopausal women, i.e. with amenorrhea for more than a year with no identified cause
- BMI between 27 and 34.9 kg/m2 (inclusively);
- Stable weight in the last 3 months (+/- 5% of total body weight);
- Waist circumference ≥ 80 cm for women, ≥ 94 cm for men;
- Sedentary to moderately active (less than 30 minutes of moderate physical activity, 3 times a week);
- Agreeing not to consume fermented or supplemented foods (including bifidus yogurts and other foods supplemented with probiotics), dietary supplements (high in fiber (prebiotics), high protein, or other food supplements that may interact with the gut microbiota or energy metabolism), laxatives and any substance that can control metabolic parameters such as weight, blood glucose or lipid metabolism during the study period (from the screening visit);
- Agreeing to receive probiotics or placebo supplementation randomly;
- Able to understand the information given, read and write in French and have signed the informed consent form;
- Agreeing to submit to the entire study protocol;
- Having fibre consumption (through diet or supplementation) of less than 30g/day;
- Having a freezer to store stool samples before the visit.
You may not qualify if:
- Participant with unstable medical or psychological conditions that, in the opinion of the investigator, could lead the participant to be non-compliant or uncooperative during the study or that could compromise the safety or participation in the study (according to articles L.1121-6, L.1121-8, L.1121-9 and L1122-1-2 of the Public Health Code);
- Presence of pathology detectable on clinical examination and medical questioning that may interfere with the study endpoints;
- Alcohol consumption exceeding 30g of alcohol/day (1 dose of alcoholic beverage = 10g of alcohol) or abuse or dependence on another proven drug;
- Tobacco consumption (or vaping equivalent) \> to 5 cigarettes per day and inability to restrict smoking or vaping on the exploratory days provided for in the protocol;
- Adult subject to a legal protection measure (guardianship, curatorship);
- Person deprived of liberty by a judicial or administrative decision;
- Person who has exceeded the annual amount of compensation in the year for participation in research protocols;
- Person not affiliated to a social security system or beneficiary of a similar system;
- Absence of valid approved health proof(s) in the event of government measures in an exceptional epidemic situation;
- Person with a specific diet (vegetarian, lacto-vegetarian, vegan, high-protein, etc.);
- People consuming food supplements (pre or probiotics, or minerals (divalent cations such as magnesium and calcium)) regularly during the month prior to the screening visit;
- Blood donation within 2 months prior to the screening visit;
- Claustrophobic to the point that indirect calorimetry measurement cannot be done;
- Person with limited venous access that can make it difficult to draw blood and insert a catheter;
- Type 1 or 2 diabetes;
- +19 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Centre de Recherche en Nutrition Humaine Rhône-Alpes (CRNH-RA)
Pierre-Bénite, Auvergne-Rhône-Alpes, 69310, France
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- HEALTH SERVICES RESEARCH
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 8, 2025
First Posted
January 22, 2025
Study Start
April 7, 2025
Primary Completion (Estimated)
February 1, 2028
Study Completion (Estimated)
February 1, 2028
Last Updated
May 9, 2025
Record last verified: 2025-05
Data Sharing
- IPD Sharing
- Will not share