Status:

COMPLETED

The Importance of the Gut Microbiota in Body Weight Control and Insulin Sensitivity

Lead Sponsor:

Maastricht University Medical Center

Collaborating Sponsors:

Top Institute Food and Nutrition

Conditions:

Obesity

Insulin Resistance

Eligibility:

MALE

35-70 years

Phase:

NA

Brief Summary

BACKGROUND: The relation between gut microbiota and obesity originates from animal studies, showing that the change of gut microbiota can induce changes in both insulin resistance and body composition...

Detailed Description

The view on the putative significance of gut microbiota in metabolism emerged from animal studies. Bäcked et al. showed that germ free mice had 40% less body fat compared to conventionally raised mice...

Eligibility Criteria

Inclusion

  • male
  • 35-70 years
  • caucasian
  • overweight/obese (BMI 25-35 kg/m2)
  • insulin resistant (Homeostasis Model of Assessment - Insulin Resistance (HOMA\_IR) \> 2.2)
  • impaired glucose tolerance (IGT: 2h plasma glucose during 75g Oral Glucose Tolerance Test(OGTT) 7.8-11.1 mmol/l) and/or impaired fasting glucose (plasma glucose ≥ 5.6 mmol/l)
  • body weight stable for at least three months (±3 kg)

Exclusion

  • known allergic reaction to vancomycin, teicoplanin, amoxicillin and other β-lactam antibiotics (penicillins and cefalosporins) or related antibiotics
  • diabetes mellitus
  • hearing disorders
  • cardiovascular disease
  • kidney disease
  • gastrointestinal disease
  • cancer
  • asthma or bronchitis
  • liver malfunction
  • major illness with a life expectancy \< 5 years
  • diseases affecting glucose tolerance (e.g. pheochromocytoma, Cushing's syndrome, acromegaly), - - use of antibiotics in the past 3 months
  • plans to lose weight and participation in organized sports activities for \>3 hours per week
  • The use of β-blockers, lipid lowering-drugs, glucose-lowering agents (including all sulfonylureas, biguanides, α-glucosidase inhibitors, thiazolidinediones, repaglinide, nateglinide and insulin), anti-oxidants or chronic corticosteroids treatment (\> 7 consecutive days of treatment)

Key Trial Info

Start Date :

April 1 2012

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 1 2014

Estimated Enrollment :

57 Patients enrolled

Trial Details

Trial ID

NCT02241421

Start Date

April 1 2012

End Date

November 1 2014

Last Update

September 10 2020

Active Locations (1)

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Maastricht University

Maastricht, Netherlands