About this trial
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.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
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);
Disqualifiers
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;
Trial design
Parallel
Treatments tested in this trial
Probiotic
Dietary supplementAfter randomization, participants will consume the probiotic for 3 months.
Placebo
Dietary supplementAfter randomization, participants will consume the placebo for 3 months.
Treatment groups
Trial outcomes
Primary outcomes
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.
Secondary outcomes
Change in vital parameter
Changes in pulse measured at baseline and at the end of intervention, with additional measurements at 1-month and 2-month intervals to monitor progress.
Change in vital parameter
Change in blood pressure measured at baseline and at the end of intervention, with additional measurements at 1-month and 2-month intervals to monitor progress.
Change in anthropometric measurement
BMI calculated in kg/m\^2 by measuring the weight and height at baseline and at the end of intervention, with additional measurements at 1-month and 2-month intervals to monitor progress.
Change in anthropometric measurement
Waist-to-hip ratio calculated by measuring the waist and hip circumference at baseline and at the end of intervention, with additional measurements at 1-month and 2-month intervals to monitor progress.
Sponsors and contacts
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Lallemand Health Solutions
Lead sponsor
Centre de Recherche en Nutrition Humaine Rhone-Alpe
Collaborator