The Body's Response to Food Intake in Trained, Older Adults

Completed · Not applicable

Conditions studied: Elderly

In brief

The purpose of this research study is to determine the effects of food supplements and strength training on appetite, the amount of energy expended, and body composition.

Key facts

Study ID

NCT00798668

Run by

Purdue University

People needed

50

Starts

2006-09-01

Expected to finish

2008-05-01

Last updated by the study team

2013-09-24

Who can join

Age: 60 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• All subjects must meet the following eligibility 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)

You may not qualify if…

• All subjects will be excluded based on the following exclusionary 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)

Where it is running

• Purdue University — West Lafayette, Indiana, United States

Full record on ClinicalTrials.gov

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