Other Clinical Trial - Effects of Protein Supplementation on Lean Body

Status Completed

Clinical Trial Summary

The purpose of this study is to evaluate the physiological consequences of extreme military training and determine whether protein supplementation enhances recovery by promoting gains in lean body mass. This study will be conducted at the US Marine Survive, Evade, Resist, Escape (SERE) school at Camp Lejeune, North Carolina.

SERE school may be an ideal setting to assess nutritional interventions that promote recovery from severe military operational stress, and identify innate or experiential variables that may lead to increased levels of resilience in Warfighters. Our laboratory has recently demonstrated the detrimental effects and stressful nature of SERE. Heart rates and stress-related hormones increased dramatically, with concomitant reductions in circulating anabolic hormones. Additionally, SERE causes significant weight loss (15-20 lbs), which probably included lean body mass. The effects of severe operational stress induced by SERE, particularly the loss of lean mass, may degrade physical performance, increase injury risk, and compromise military readiness. Under controlled laboratory conditions, consuming high protein diets or supplemental high-quality protein promotes muscle protein retention, enhances muscle protein synthesis, and protects lean body mass in response to stress. Whether consuming supplemental protein promotes lean mass recovery and physiological resilience following a 'real-world' military stress has not been determined. Further, the level of supplemental protein necessary to optimize recovery from extreme military operational stress has not been elucidated.

Up to 90 US Marines will be enrolled in a 46-day double-blind, placebo-controlled trial. Using complex body composition measurements, kinetic modeling of human metabolism, blood sampling and cognitive and nutrition questionnaires, the consequences of SERE and the efficacy of protein recovery nutrition on lean mass accretion and Warfighter resilience will be assessed.

We hypothesize that consuming a specially formulated, high-quality supplemental protein ration item will speed recovery of lean body mass, physiological, and psychological resilience following extreme military operational stress.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02057094
Study type	Interventional
Source	United States Army Research Institute of Environmental Medicine
Contact
Status	Completed
Phase	N/A
Start date	January 2014
Completion date	March 2015

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Protein Supplementation on Lean Body Mass Recovery From Extreme Military Training

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms