The Body's Response to Food Intake in Trained, Older Adults
NCT ID: NCT00798668
Last Updated: 2013-09-24
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
50 participants
INTERVENTIONAL
2006-09-30
2008-05-31
Brief Summary
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Detailed Description
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Conditions
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Keywords
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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1
participants continue current exercise and take liquid supplement
Liquid Supplements
Liquid supplement that provides 12.5% of the subjects total energy requirement.
2
Participants continue current exercise and take solid supplement
Solid Supplement
Solid supplement that provides 12.5% of the subjects total energy requirement.
3
Participants continue current sedentary behavior and take liquid supplements
Liquid Supplements
Liquid supplement that provides 12.5% of the subjects total energy requirement.
4
Participants continue current sedentary behavior and take solid supplements
Solid Supplement
Solid supplement that provides 12.5% of the subjects total energy requirement.
Interventions
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Liquid Supplements
Liquid supplement that provides 12.5% of the subjects total energy requirement.
Solid Supplement
Solid supplement that provides 12.5% of the subjects total energy requirement.
Eligibility Criteria
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Inclusion Criteria
* Age range: 60 years and older
* Body mass index between 20-29 kg/m2
* Weight stable (\< 2 kg weight change within last 6 months)
* Non-smoking
* Constant habitual activity patterns within last 3 months
* Clinically normal blood profiles (specifically, normal liver and kidney function; normal complete blood count (non-anemic); fasting blood glucose \<110 mg/dl)
* Not taking medications known to influence appetite or metabolism
* Non-diabetic
* Confirmation of acceptability of eating the study test foods (solids and fluids)
Trained subjects (Recruiting 36; N-25) must meet the following eligibility criteria:
* Resistive exercise training (≥ 2 times a week) based on reported physical activity levels (questionnaire)
* Active fitness level (≥ 2, 30-minute aerobic exercise sessions/week)
Sedentary subjects (Recruiting 36; N-25) must meet the following eligibility criteria:
* Resistive exercise training (≤ 1 time a week) based on reported physical activity levels (questionnaire)
* Active fitness level (≤ 2, 30-minute aerobic exercise sessions/week)
Exclusion Criteria
* Age: \<60 years
* Body mass index: outside of the 20-29 kg/m2 range
* Gained or lost \> 4.5 kg within the last 6 months
* Smoker (currently or within the last year)
* Intermittently been involved in a diet and/or exercise program within the last 3 months
* Clinically abnormal blood profiles as identified by our study physician, Arthur Rosen, MD
* Taking medications (currently or within the last 3 months) known to influence appetite or metabolism
* Abnormal heart function (interpreted by a cardiologist) and assessed (for study exclusion) by our study physician, Arthur Rosen, MD
* Clinically diagnosed as diabetic
* Study foods are found to be unacceptable for consumption by the subject
* Clinically diagnosed osteoporosis
Trained subjects will be excluded based on the following exclusionary criteria:
* Did not perform resistive exercise training (currently or within the last 3 months) based on reported physical activity levels (questionnaire)
* Perform ≤ 1, 30-minute aerobic exercise session/week (currently or within the last 3 months) based on physical activity levels questionnaire)
Sedentary subjects will be excluded based on the following exclusionary criteria:
* Performed resistive exercise training (currently or within the last 3 months) based on reported physical activity levels (questionnaire)
* Perform \> 2, 30-minute aerobic exercise sessions/week (currently or within the last 3 months) based on physical activity levels questionnaire)
60 Years
ALL
Yes
Sponsors
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Purdue University
OTHER
Responsible Party
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Wayne Campbell
Professor, Foods and Nutrition
Locations
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Purdue University
West Lafayette, Indiana, United States
Countries
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Other Identifiers
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NIH R01 AG021911-0102
Identifier Type: -
Identifier Source: secondary_id
0607004184
Identifier Type: -
Identifier Source: org_study_id