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Peanut Protein Supplementation to Augment Muscle Growth and Improve Markers of Muscle Quality and Health in Older Adults

Aging Clinical Trial

Official title:
Open-label Randomized Controlled Trial Investigating the Effects of Peanut Protein Powder Supplement on Muscle Growth, Muscle Quality and Other Health Biomarkers in Older Adults Engaging in a Ten-week, Whole-body Resistance Training Program

Clinical Trial Summary

This study will evaluate the adaptations in skeletal muscle that occur in response to 10 weeks of weight training with or without peanut protein supplementation in older adult men and women.

Clinical Trial Description

Aging is associated with declines in muscle mass, physical strength and physical function. Adequate quality protein intake in aging adults is critical to preventing functional decline. Peanuts provide a unique blend of amino acids that can provide several health benefits to aging adults. While supplementing with peanut protein (PP) powder as part of a resistance training program may increase myofibrillar protein synthesis (i.e., the gold standard molecular assessment in deciphering a muscle-building response), and improve skeletal muscle quality and body composition, no study to date has made this determination. This is a two-phase study using both novel and conventional methods to assess how PP supplementation affects muscle tissue in older individuals who engage in resistance training. These two phases will be conducted as part of a 10-week randomized controlled trial in which men and women aged 50 years and older (n=60), will be stratified by gender and randomized to a resistance training intervention (whole body, two days per week) with PP powder (72g daily; n=15 males, n=15 females) provided during the intervention (immediate group, IG) or after the intervention (wait-list control, WLC, n=15 males, n=15 females). The aims of this study are to determine the acute (deuterium oxide tracer) and chronic (peripheral quantitative computed tomography) effects of PP during resistance training on skeletal muscle myofibrillar protein synthesis rates, changes in skeletal muscle size and quality, changes in whole and appendicular body composition (dual energy x-ray absorptiometry), changes in inflammatory markers and the fecal microbiome. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04015479
Study type Interventional
Source Auburn University
Contact
Status Completed
Phase N/A
Start date September 26, 2019
Completion date May 1, 2020
View Details
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