Status:
COMPLETED
Mechanisms of the Effect of Physical Activity on the Adaptation to a High-Fat Diet
Lead Sponsor:
Pennington Biomedical Research Center
Collaborating Sponsors:
University of Washington
Conditions:
Healthy
Eligibility:
All Genders
18-35 years
Phase:
NA
Brief Summary
The study is designed to determine the effect of high physical activity level vs. low physical activity level on the adaptation to a high fat diet.
Detailed Description
A high fat diet is linked to weight gain and obesity. An adjustment to the acute exposure to high fat diet is not abrupt and takes time. In a previous study from our laboratory, it has been shown that...
Eligibility Criteria
Inclusion
- Both genders and all races will be invited to participate
- BMI \> 19 and \< 35 kg/m2
- Age 18-35
- Women will be asked to participate in the follicular phase of the menstrual cycle as determined by menstrual history and a negative pregnancy test will be recorded prior to participation
- Willing and able to walk on a treadmill at a pace of 3 mph at 3%grade for 3-4 hours/day for 3 consecutive days
- Willing to eat only and all foods provided by Pennington for 9 days on 2 occasions (18 days)
- Willing to stop alcohol consumption for the duration of the study
- Able come to Pennington for meals and tests for 20 days 12 of these inpatient.
Exclusion
- Significant renal, hepatic, endocrine, pulmonary, cardiac or hematological disease (for the consent form you will have to use kidney, liver, etc )
- You abuse alcohol or illegal drugs or are unable to avoid alcohol or caffeine prior to testing
- Smokers
- Unable or unlikely to eat all and only food provided by the PBRC metabolic kitchen.
- Pregnant or planning to become pregnant
- Corticosteroid use in previous two months
- Chronic use of anti-diabetic, anti-hypertensive, or other medications known to affect fat metabolism
- Use of Depo-Provera, hormone implants or estrogen replacement therapy
- Irregular menstrual cycles
- Post-menopausal women
- Weight gain or loss of \> 3kg in the last 6 months
- Unable or unwilling to perform treadmill walking at the required speed and incline to achieve 1.8\*RMR
- History or family history of blood clots deep vein thrombosis or pulmonary embolism)
- Poor circulation, bypass operation on legs, blood coagulation disorders, diagnosed peripheral arterial or vascular disease, cramping pain in your muscle during exercise or nerve damage in your legs.
- You had major surgery on the abdomen, pelvis or legs within previous 3 months.
- You have cancer
- You have rheumatoid disease/ walking or joint problems
- You are claustrophobic
- You are depressed or have an eating disorder
- You demonstrate a style of interpersonal relationships that would inhibit successful completion of the study
- For the MRS / MRI, the following exclusion criteria apply:
- Individuals who have a heart pacemaker, defibrillator, or non-removable hearing aid
- Individuals with any clips or metal plates in their head
- Individuals who have any artificial limbs or prosthetic devices
- Individuals who were ever injured by a metallic foreign body which was not removed
- Individuals with bridgework held in place by magnets
Key Trial Info
Start Date :
May 1 2007
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 1 2020
Estimated Enrollment :
17 Patients enrolled
Trial Details
Trial ID
NCT00611117
Start Date
May 1 2007
End Date
June 1 2020
Last Update
September 21 2022
Active Locations (1)
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1
Pennington Biomedical Research Center
Baton Rouge, Louisiana, United States, 70808