NCT06786052

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

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
66

participants targeted

Target at P50-P75 for phase_2

Timeline
21mo left

Started Apr 2025

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress38%
Apr 2025Feb 2028

First Submitted

Initial submission to the registry

January 8, 2025

Completed
14 days until next milestone

First Posted

Study publicly available on registry

January 22, 2025

Completed
3 months until next milestone

Study Start

First participant enrolled

April 7, 2025

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2028

Last Updated

May 9, 2025

Status Verified

May 1, 2025

Enrollment Period

2.8 years

First QC Date

January 8, 2025

Last Update Submit

May 7, 2025

Conditions

Keywords

Metabolic healthProbioticsPostprandial metabolism

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

EXPERIMENTAL

The product contains the probiotic strain and no other ingredients.

Dietary Supplement: Probiotic

Placebo

PLACEBO COMPARATOR

The control product is a placebo with the same characteristics of appearance and packaging as the tested product.

Dietary Supplement: Placebo

Interventions

ProbioticDIETARY_SUPPLEMENT

After randomization, participants will consume the probiotic for 3 months.

Probiotic
PlaceboDIETARY_SUPPLEMENT

After randomization, participants will consume the placebo for 3 months.

Placebo

Eligibility Criteria

Age50 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

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

RECRUITING

MeSH Terms

Conditions

ObesityOverweight

Interventions

Probiotics

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Central Study Contacts

Saly El Salti, MSc

CONTACT

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

Locations