Effect of Combined IV Bolus Amino Acid Supplementation and Mobilisation on Muscle Mass in Patients Over the First Week of ICU Care: RCT

2019-09-26 05:42:33 | BioPortfolio


A single-centre, two-arm, parallel randomised controlled trial (RCT) to compare the combined effect of early intravenous bolus amino acid supplementation and mobilisation versus standard of care on changes in muscle mass over the first week in ICU. Half of study participants will receive the study intervention (in-bed cycling followed by an intravenous bolus amino acid supplement), while the other half will receive standard of care only.


Critical illness survivors often suffer from severe muscle mass depletion and a profound long-term functional impairment. Hence effective strategies, or a combination of strategies, are needed to reduce skeletal muscle wasting during critical illness. Although amino acids and mobilisation are both known to stimulate the mechanistic target of rapamycin pathway (MTOR) pathway for muscle protein synthesis in healthy adults, there are no trials to date investigating the combined approach of combined cycle ergometry and bolus amino acid supplementation on muscle accretion in the ICU.

Study Design


Critical Illness


Combined cycle ergometry and bolus amino acid supplementation


Not yet recruiting


University of Stellenbosch

Results (where available)

View Results


Published on BioPortfolio: 2019-09-26T05:42:33-0400

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Medical and Biotech [MESH] Definitions

Drugs used for their actions on any aspect of excitatory amino acid neurotransmitter systems. Included are drugs that act on excitatory amino acid receptors, affect the life cycle of excitatory amino acid transmitters, or affect the survival of neurons using excitatory amino acids.

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An enzyme that catalyzes the synthesis of pyroglutamate from a gamma-glutamyl-amino acid, also releasing the free amino acid. The enzyme acts on derivatives of glutamate, 2-aminobutyrate, alanine and glycine. The enzyme has been proposed to have a role in a gamma-glutamyl cycle for amino acid transport into cells in the intestines. EC

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(2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose.

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