Status:

COMPLETED

Sampling of Human Microbiota in Order to Test, on a Mouse Model, Individualized Intervention Strategies During Aging

Lead Sponsor:

University Hospital, Clermont-Ferrand

Collaborating Sponsors:

Unite de Nutrition Humaine UMR 1019- INRAE

Unite MetaGenoPolis INRAE

Conditions:

Healthy Volunteers

Frail Volunteers

Eligibility:

MALE

18-90 years

Phase:

NA

Brief Summary

Human microbial flora transfer studies in rodent models have clearly identified that age-associated microbiota dysbiosis can play a decisive role with respect to pathologies or complications linked to...

Detailed Description

This is a pilot study to validate a process of ex vivo stool transfer from humans to rats. Single-center intervention research with minimal risks and constraints. Exploration of the bacterial composi...

Eligibility Criteria

Inclusion

  • Volunteer over the age 18,
  • More than 50 kg and having a Body Mass Index (BMI) between 18 and 30 kg / m2 (inclusive),
  • Subject aged between 20 and 35 years inclusive ("healthy adult" group, or 65 years (inclusive) and over ("healthy elderly" and "frail elderly" groups),
  • Score of the Short Emergency Geriatric Assesment grid (SEGA - A) strictly less than 8 (see appendix 1) ("healthy adult" and "healthy elderly" groups), or greater than or equal to 8 ("frail elderly" group),
  • Subject capable of giving informed consent to participate in the research,
  • Subject having an affiliation to the French Social Security system.

Exclusion

  • Healthy adult group and Healthy elderly group:
  • Subject presenting an acute pathology (unstable pathology), a life expectancy of \<3 months or major neuro-cognitive disorders,
  • treated with antibiotic therapy 3 months before the start of the protocol,
  • in the impossibility of carrying out the planned functionality tests,
  • carrier of Pacemaker or implantable defibrillator,
  • with renal insufficiency (clearance \<50 ml / min according to the CKD-EPI formula),
  • presenting an untreated metabolic syndrome (presenting 3 of the 5 following criteria: waist circumference greater than 94 cm, blood triglyceride level greater than 1.7 mmol / l, blood pressure greater than or equal to 130 mm Hg / 85 mm Hg, cholesterol level (HDL) less than 1.0 mmol / l, fasting blood glucose greater than or equal to 5.6 mmol / l),
  • suffering from diabetes (even treated),
  • during a slimming diet,
  • during treatment with chemotherapy,
  • with gastrointestinal pathology,
  • with intolerance (milk, lactose, gluten ...) or a diet other than omnivorous (vegetarians, vegans, vegans),
  • smoking more than 4 cigarettes / day,
  • drinking more than 2 glasses of alcohol per day,
  • refusing not to smoke, vape or remove a nicotine patch the morning of the samples,
  • having a biological assessment judged by the investigator to be incompatible with the test,
  • having a medical and / or surgical history judged by the investigator to be incompatible with the test,
  • having drug treatments or nutritional supplements judged by the investigator to be incompatible with the test, (see detail in 8.5)
  • having cooperation and understanding that does not allow strict compliance with the conditions set out in the protocol,
  • participating in another clinical trial, or being in an exclusion period, or having received a total amount of compensation greater than 4500 euros over the 12 months preceding the start of the trial,
  • benefiting from a legal protection measure (curatorship, guardianship, safeguard of justice),
  • refusing to participate in the study.
  • Fragile elderly group:
  • Same non-inclusion criteria as above except modification on 2 criteria:
  • Renal failure (clearance \<30 ml / min according to the CKD-EPI formula)
  • No restriction on the parameters defining the metabolic syndrome unless the subject has treated insulin-dependent diabetes.

Key Trial Info

Start Date :

October 4 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 14 2022

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT04753580

Start Date

October 4 2021

End Date

September 14 2022

Last Update

October 6 2022

Active Locations (1)

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Page 1 of 1 (1 locations)

1

CHU

Clermont-Ferrand, France, 63000

Sampling of Human Microbiota in Order to Test, on a Mouse Model, Individualized Intervention Strategies During Aging | DecenTrialz