Expired Study
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Boston, Massachusetts 02114


Purpose:

The Total Parenteral Nutrition (TPN)received as part of your routine burn care has optimal levels of protein and sugar, however the best mixture of amino acids for a patient with burn wounds is not yet known. Amino acids occur naturally in the body and the food we eat. The body combines amino acids to make protein. It uses the proteins to do things such as heal wounds, fight infection, and provide energy. We are studying if the body's use of protein is increased after receiving TPN containing the amino acid called glutamine. We hope to learn the best composition of TPN so that the body can more efficiently repair wounded tissues and recover earlier from an acute burn injury.


Study summary:

Human and animal studies have demonstrated that glutamine catabolism exceeds glutamine synthesis in burn patients, resulting in a glutamine-depleted status, which compromises liver function, including glutathione status, proline and arginine homeostasis and whole body protein balance (1). The purpose of this study is to directly quantify glutamine / glutamate kinetics in relation to glutamine / glutamate disposal and whole body amino acid balance, by using stable isotope tracers [1-13C, 15N]leucine and [15N2]urea. We hypothesize that the enrichment of amino acid mixtures with glutamine will attenuate overall body nitrogen catabolism and better maintain proline and arginine homeostasis. The purpose of this study it to 1) investigate the effect of glutamine supplemented total parenteral nutrition (TPN) on whole body metabolic and disposal rate of glutamine, and its rate of de novo synthesis in severely burned patients and 2)explore the impact of glutamine supplementation on whole body protein turnover, studied with L-[1-13C, 15N}-leucine, and on the metabolic homeostasis of urea cycle.


Criteria:

Inclusion Criteria: Burn patients being treated at MGH Burn Unit with one or more of the following criteria: 1) >=5% TBSA; 2) inhalation injury; or 3) resting energy expenditure (REE) of >15% of the predicted Basal Metabolic Rate using the Harris-Benedict equation. Must be receiving total parenteral nutrition in the course of their treatment. Exclusion Criteria: Patients with thyroid disease. Patients who are not hemodynamically stable or show unstable vital signs Patients at the stage of major organ failure, e.g. renal and/or liver failure.


NCT ID:

NCT00216996


Primary Contact:

Principal Investigator
Ronald G. Tompkins, MD, ScD
MGH, Shriners Burn Hospital - Boston


Backup Contact:

N/A


Location Contact:

Boston, Massachusetts 02114
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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