Status:

UNKNOWN

Age-associated Arterial Dysfunction, Western Diet, and Aerobic Exercise: Role of the Gut Microbiome

Lead Sponsor:

University of Colorado, Boulder

Collaborating Sponsors:

University of California, San Diego

Conditions:

Aging

Eligibility:

All Genders

18-79 years

Phase:

NA

Brief Summary

The risk of developing cardiovascular diseases increases with aging largely due to age-related declines in the function of arteries (arterial dysfunction), which are influenced by common lifestyle fac...

Detailed Description

In order to investigate how age-related changes to the gut microbiome, as modulated by Western diet and exercise, influences arterial function in humans, the investigators will capitalize on the plast...

Eligibility Criteria

Inclusion

  • Age 18-29 or 60-79 years
  • Participating in \< 30 min aerobic exercise \< 2x/wk for \>3 years OR \> 45 min vigorous aerobic exercise \> 4x/wk for \> 3 yrs
  • Currently consuming levels of dietary fat intake with the 40th-60th percentile of Americans based on the NHANES survey (29-37% calories from fat)
  • Healthy (no clinical disease)
  • Body mass index \< 30 kg/m2
  • Ankle-brachial blood pressure index \> 0.9
  • Total cholesterol \< 240 mg/dl
  • Fasting plasma glucose \< 110 mg/dl
  • Weight stable in the past 6 months

Exclusion

  • Current or past (within 3 months of screening) use of dietary supplements, anti-inflammatory medications, drugs known to affect the gut microbiome (antibiotics, pre/probiotics, antifungals, antivirals, antiparasitics), or gastrointestinal-targeted drugs (proton pump inhibitors, H2 receptor antagonists, laxatives, antidiarrheal medications)
  • Current of past (within 5 years) smoking
  • Major change in health status in the last 6 months
  • Chronic clinical diseases (e.g., inflammatory bowl diseases, cardiovascular disease, diabetes, neurological disorders, dementia or other brain diseases of aging)

Key Trial Info

Start Date :

March 15 2018

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2021

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT03334201

Start Date

March 15 2018

End Date

December 31 2021

Last Update

October 28 2021

Active Locations (1)

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1

University of Colorado Boulder

Boulder, Colorado, United States, 80309