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OpenTrials
Completed

NCT Number: NCT00812500

Dietary Protein Requirement of Elderly Men and Women

The purpose of this study was to assess the effect of age on the estimated average requirement and adequate allowance for dietary protein.

Completed

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Key information

Conditions

Age

Age range

18 year–85 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Purdue University

West Lafayette, Indiana, 47907, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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:

  • Blood
  • Urine

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

Treatment and study plan

Lower protein

Other

Each subject completed an 18-day periods (trials) of strict dietary control of consuming a lower protein diet.

Medium Protein

Other

Each subject completed an 18-day periods (trials) of strict dietary control of consuming a medium protein diet.

Higher protein

Other

Each subject completed an 18-day periods (trials) of strict dietary control of consuming a higher protein diet.

Primary outcomes

  1. To determine the dietary protein requirement of older men and women.

    Time frame: 57 days

Secondary outcomes

  1. What is the lowest amount of protein that a man or women should eat each day to help him or her stay healthy?

    Time frame: 57 days

Sponsors and collaborators

Lead sponsor

Purdue University

Other

Registry information

Important dates

Study start
2002
Primary completion
2003
Study completion
2006
First posted
Dec 22, 2008
Registry last updated
Sep 24, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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