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Synbiotique de nouvelle génération chez les personnes en surpoids ou obèses

28 septembre 2026 mis à jour par: Elisa Marroquin, Texas Christian University

Supplémentation avec un symbiotique de nouvelle génération chez les personnes en surpoids ou obèses : un essai clinique contrôlé randomisé en triple aveugle

This study plans to evaluate the effect of consuming a symbiotic (probiotic + prebiotic) for 3 months on body weight, body composition, glucose sensitivity, and psychological parameters, as well as on gut and blood microbial composition. Synbiotic consumption is preceded by a 3-day antibiotic course to help ensure the opening of new niches (houses) for the upcoming beneficial bacteria.

Aperçu de l'étude

Statut

Complété

Les conditions

Intervention / Traitement

Description détaillée

This is a triple-blinded, randomized clinical trial in which participants will be allocated to one of two groups: 1) 3-day antibiotic followed by synbiotic consumption for 3 months or 2) 3-day antibiotic followed by placebo consumption for 3 months.

Blood and stool samples will be collected before the antibiotic, and before and after the symbiotic intervention in both groups.

Gut microbial composition will be analyzed through whole genome sequencing and blood microbial composition through 16S rRNA.

Glucose sensitivity will be measured through fasting glucose, fasting insulin, and HbA1c.

Body composition through DXA and BodPod will be measured before and after the symbiotic intervention.

Psychological questionnaires such as the Beck Anxiety and the Beck Depression Inventories, as well as the RED-9 questionnaire to respectively measure anxiety, depression, and food cravings, will be applied before and after the symbiotic intervention.

Type d'étude

Interventionnel

Inscription (Réel)

75

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

    • Texas
      • Fort Worth, Texas, États-Unis, 76129
        • Texas Christian University, Rickel Building

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 50 ans (Adulte)

Accepte les volontaires sains

Oui

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • be between 18-50 years of age
  • have a BMI between 25.0-40.0

Exclusion Criteria:

  • are following a vegetarian, vegan, carnivore, or keto diet
  • currently taking metformin, GLP-1 agonists, insulin, or fiber
  • have taken antiacids, laxatives, probiotics, or medication that affects your immune system in the past month
  • pregnant, planning pregnancy during the study period, or lactating
  • have a history of inflammatory bowel disease, colon cancer, or chronic polyps
  • have been diagnosed with type 1 or type 2 diabetes
  • have active cancer
  • are currently participating in a weight loss intervention (dietetic or medication)
  • have used antibiotics, antifungals, or antivirals in the past 3 months
  • have had a history of recent (within 30 days) diarrhea illness
  • have a known allergy to any component of the study product
  • have had an acute inflammatory infection or inflammatory condition in the past 4 weeks
  • have had >10% weight variation in the past 6 months
  • have had any bariatric surgery

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Quadruple

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Synbiotic Group

They will receive a 3-day antibiotic (Vancomycin 500 mg/3 times/day), followed by a 3-month symbiotic. The synbiotic that will be used in this trial contains the oligosaccharide-degrading probiotics, Akkermansia muciniphila and Bifidobacterium infantis; butyrate producers such as Clostridium beijerinckii, Anaerobutyricum hallii, and Clostridium butyricum; and chicory-derived inulin, a prebiotic dietary fiber.

WBF-038: Noninfectious and nonhazardous lyophilized commensal bacteria (probiotics). Contains no genetically modified organisms (GMOs) and contains no animal ingredients or by-products, and were originally isolated from human sources. The (probiotic) strains are grown in a FDA registered food facility, adhering to Good Manufacturing Practice (GMP) conditions.

Probiotic Ingredients:

Clostridium butyricum WBSTR-0006, Clostridium beijerinckii WB-STR-0005, Anaerobutyricum hallii WB-STR-0008, Akkermansia muciniphila WBSTR-0001, and Bifidobacterium infantis

The product also contains: Chicory inulin and oligofructose (prebiotic fiber), hypromellose (vegetarian capsule), fruit & vegetable juice (coloring agent), magnesium stearate and silica (flow agent for encapsulation)

Autres noms:
  • Le symbiotique utilisé est Pendulum Glucose Control
Comparateur placebo: Placebo Group

They will receive a 3-day antibiotic (Vancomycin 500 mg/3 times/day), followed by a 3-month placebo.

Ingredients: Chicory inulin and oligofructose (prebiotic fiber, hypromellose (vegetarian capsule), fruit & vegetable juice (coloring agent), magnesium stearate and silica (flow agent for encapsulation).

Autres noms:
  • Placebo

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Total Body Fat Mass through DXA (percentage)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body fat mass by using DXA analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Total Body Fat Mass through BodPod (percentage)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body fat mass by using BodPod analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Fat Mass to Height (kg/m2)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body fat mass by using DXA analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Fat Mass (kg)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body fat mass by using BodPod analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Body Lean Mass to Height (kg/m2)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body lean mass by using DXA analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Fat Free Mass (%)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body lean mass by using BodPod analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Fat Free Mass (Kg)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body lean mass by using BodPod analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Visceral Fat Volume (cm3)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body visceral mass by using DXA and BodPod analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Visceral Fat Mass (grams)
Délai: These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.

We will measure body visceral mass by using DXA and BodPod analysis.

These analyses will take place right before and right after the 3-month synbiotic/placebo intervention.
Fasting Glucose (mg/dL)
Délai: Blood samples will be taken before the antibiotic, before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.

We will measure fasting glucose after a 12h fast.

Blood samples will be taken before the antibiotic, before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.
Fasting Insulin (mIU/L)
Délai: Blood samples will be taken before the antibiotic, before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.

We will measure fasting insulin after a 12h fast.

Blood samples will be taken before the antibiotic, before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.
HbA1c (%)
Délai: Blood samples will be taken before the antibiotic, before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.

We will measure HbA1c after a 12h fast.

Blood samples will be taken before the antibiotic, before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.
Anxiety (number in 0-63 scale)
Délai: These questionnaires will be applied right before and right after the 3-month synbiotic/placebo intervention.

We will measure anxiety by using the Beck Anxiety inventory. The higher the number, the higher the anxiety levels.

These questionnaires will be applied right before and right after the 3-month synbiotic/placebo intervention.
Depression (number in 0-63 scale)
Délai: These questionnaires will be applied right before and right after the 3-month synbiotic/placebo intervention.

We will measure depression by using the Beck Depression inventory. The higher the number, the higher the depression.

These questionnaires will be applied right before and right after the 3-month synbiotic/placebo intervention.
Food cravings (number in 0-52 scale)
Délai: These questionnaires will be applied right before and right after the 3-month synbiotic/placebo intervention.

We will measure food cravings by using the Reward-based Eating Drive questionnaire (RED-9). The higher the number, the higher the cravings.

These questionnaires will be applied right before and right after the 3-month synbiotic/placebo intervention.
Gut Microbial Composition (depending on funding availability at the time of analysis)
Délai: Stool samples will be collected right before the antibiotic, right before the synbiotic/placebo intervention, and right after the 3-month synbiotic/placebo intervention.

We plan to measure gut microbial composition by performing whole metagenome sequencing previously stored in Zymo stool collection tubes.

Stool samples will be collected right before the antibiotic, right before the synbiotic/placebo intervention, and right after the 3-month synbiotic/placebo intervention.
Blood Microbial Composition (depending on funding availability at the time of analysis)
Délai: Blood samples will be collected right before the antibiotic, right before the synbiotic/placebo intervention, and right after the 3-month synbiotic/placebo intervention.

We plan to measure blood microbial composition by performing 16S rRNA in blood samples previously stored in Zymo blood collection tubes.

Blood samples will be collected right before the antibiotic, right before the synbiotic/placebo intervention, and right after the 3-month synbiotic/placebo intervention.
Body Weight (kg)
Délai: Measurements will take place at each of the 3 visits: right before the antibiotic, right before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.

Body weight will be measured with a calibrated scale.

Measurements will take place at each of the 3 visits: right before the antibiotic, right before the synbiotic/placebo, and right after the 3-month synbiotic/placebo intervention.
Body Height (meters)
Délai: Measurement will take place at the first visit.

Body height will be measured with a stadiometer.

Measurement will take place at the first visit.

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Collaborateurs

Les enquêteurs

  • Chercheur principal: Elisa Marroquin, Ph.D., Texas Christian University

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

2 février 2024

Achèvement primaire (Réel)

20 mai 2025

Achèvement de l'étude (Réel)

20 mai 2025

Dates d'inscription aux études

Première soumission

20 décembre 2023

Première soumission répondant aux critères de contrôle qualité

9 janvier 2024

Première publication (Réel)

19 janvier 2024

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

2 octobre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

28 septembre 2026

Dernière vérification

1 septembre 2026

Plus d'information

Termes liés à cette étude

Autres numéros d'identification d'étude

  • 2023-345

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

OUI

Description du régime IPD

De-identified participant-level data can be shared only after authors and co-authors have published the material of their interest.

Délai de partage IPD

Data will be available only after authors and co-authors have published the material of their interest.

Critères d'accès au partage IPD

Not available at this point. Recruitment has not started.

Type d'informations de prise en charge du partage d'IPD

  • PROTOCOLE D'ÉTUDE
  • SÈVE

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .