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Clinical Trial Summary

This study is one of three CALERIE trials that test the hypothesis that a reduced calorie, nutritionally sound diet improves biomarkers of aging and prevents some age-related chronic diseases such as cancer, diabetes, and cardiovascular disease. The three sites that are participating in the CALERIE trial represent a diversity of subject populations and interventional strategies.


Clinical Trial Description

This study tests whether chronic caloric restriction improves risk factors of longevity in humans as it is known to do in animals, by measuring a variety of factors dealing with metabolism and oxidative stress, through physical evaluations and laboratory tests.

Participants will receive dietary counseling and free medical evaluations. In addition, each volunteer will be asked to do one of the following:

1. Follow a reduced calorie diet

2. Follow a reduced calorie diet using a liquid diet

3. Increase physical activity while on a reduced calorie diet

4. Follow a standard diet.

Three separate five-day inpatient stays are required. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00099151
Study type Interventional
Source National Institute on Aging (NIA)
Contact
Status Completed
Phase N/A
Start date March 2002
Completion date May 2006

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