Dietary Protein Requirement of Elderly Men and Women
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- Purdue University
- Enrollment
- 48
- Locations
- 1
- Primary Endpoint
- To determine the dietary protein requirement of older men and women.
Study Overview
Brief Summary
The purpose of this study was to assess the effect of age on the estimated average requirement and adequate allowance for dietary protein.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Prevention
- Masking
- None
Eligibility Criteria
- Ages
- 18 Years to 85 Years (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •Age: 21-46 years, 63-81 years old
- •Not diagnosed with diabetes or metabolic syndrome
- •Clinically normal blood laboratory values
Exclusion Criteria
- •Age: 21 years of younger, 47-62 years old, and 82 years and older
- •BMI: 20-29 kg/m
- •Weight stable: <2kg change within the last 3 months
- •Physical Activity: constant habitual pattern, no deviation >1x week of 30/minute sessions within the last 3 months
- •Clinically abnormal values:
- •Also, exclude any:
- •Using meds that would influence appetite
- •Using any anti-inflammatory steroid medications
- •Has a joint replacement
- •A medical condition that might place them at risk for participating in the study or interfere with successful completion of the study
Arms & Interventions
4
Old women, age 63-81 years.
Intervention: Medium Protein (Other)
4
Old women, age 63-81 years.
Intervention: Higher Protein (Other)
2
Old Men, age 63-81 years.
Intervention: Lower Protein (Other)
2
Old Men, age 63-81 years.
Intervention: Medium Protein (Other)
2
Old Men, age 63-81 years.
Intervention: Higher Protein (Other)
1
Young men, age 21-46 years.
Intervention: Lower Protein (Other)
1
Young men, age 21-46 years.
Intervention: Medium Protein (Other)
1
Young men, age 21-46 years.
Intervention: Higher Protein (Other)
3
Young women, age 21-46 years.
Intervention: Lower Protein (Other)
3
Young women, age 21-46 years.
Intervention: Medium Protein (Other)
3
Young women, age 21-46 years.
Intervention: Higher Protein (Other)
4
Old women, age 63-81 years.
Intervention: Lower Protein (Other)
Outcomes
Primary Outcomes
To determine the dietary protein requirement of older men and women.
Time Frame: 57 days
Secondary Outcomes
- What is the lowest amount of protein that a man or women should eat each day to help him or her stay healthy?(57 days)
Investigators
Wayne Campbell
Prof. Foods and Nutrition
Purdue University