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Influence of Diet and Endurance Running on Intramuscular Lipids Measured at 4.1 TESLA

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ClinicalTrials.gov Identifier: NCT00000110
Recruitment Status : Completed
First Posted : January 19, 2000
Last Update Posted : June 24, 2005
Sponsor:
Information provided by:
National Center for Research Resources (NCRR)

Study Description
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Brief Summary:
The purpose of this pilot investigation is to use 1 H Magnetic Resonance Spectroscopy (MRS) to 1) document the change in intra-muscular lipid stores (IML) before and after a prolonged bout of endurance running and, 2) determine the pattern (time course) of IML replenishment following an extremely low-fat diet (10% of energy from fat) and a moderate-fat diet (35% of energy from fat). Specifically, the study will evaluate the change in IML following a 2-hour training run and the recovery of IML in response to the post-exercise low-fat or moderate-fat diet in 10 endurance trained athletes who will consume both diets in a randomly assigned cross-over fashion. We hypothesize that IML will be depleted with prolonged endurance exercise, and that replenishment of IML will be impaired by an extremely low-fat diet compared to a moderate-fat diet. Results of this pilot study will be used to apply for extramural grant support from NIH or the US Armed Forces to investigate the effect of dietary fat on the health and performance of individuals performing heavy physical training. It is anticipated that this methodology could also be employed in obesity research to delineate, longitudinally, the reported cross-sectional relationships among IML stores, insulin resistance and obesity.

Condition or disease Intervention/treatment Phase
Obesity Procedure: magnetic resonance spectroscopy Drug: dietary fat Not Applicable

Study Design
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Study Type : Interventional  (Clinical Trial)
Masking: Single
Primary Purpose: Treatment
Arms and Interventions
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Outcome Measures
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Eligibility Criteria
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Ages Eligible for Study:   18 Years to 49 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy volunteers (developmental phase)
  • Healthy endurance-trained subjects
  • Maximum age for males is 39
  • Maximum age for females is 49
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00000110


Locations
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United States, Alabama
The University of Alabama at Birmingham Nutrition Sciences Department
Birmingham, Alabama, United States, 35294
Sponsors and Collaborators
National Center for Research Resources (NCRR)
More Information
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ClinicalTrials.gov Identifier: NCT00000110    
Other Study ID Numbers: NCRR-M01RR00032-0855
M01RR000032 ( U.S. NIH Grant/Contract )
First Posted: January 19, 2000    Key Record Dates
Last Update Posted: June 24, 2005
Last Verified: December 2003
Keywords provided by National Center for Research Resources (NCRR):
exercise
exertion
physical fitness
lipids
nutrition