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Clinical Trial Summary

Intensive Care Unit Acquired Weakness (ICUAW) describes muscle weakness that occurs in around 40% of patients during an intensive care stay. The morbidity and mortality of these patients is significantly increased over a 5-year period. The aim of this study is to investigate the combined effect of early enteral high-protein nutrition and early muscle activation on muscle atrophy in critically ill patients. The study will include 40 patients (20 intervention, 20 observation) with requirement for enteral nutrition at time of inclusion. In the intervention group the maximum possible level of mobilization is carried out and muscles are activated twice a day using neuromuscular electrical stimulation (NMES). The nutrition plan of the intervention group is based on the applicable guidelines for intensive care medicine with exception of increased protein intake. The control group receives therapy without deviating from the standard according of the DGEM guideline. The study aims to show that the decrease in muscle mass is significantly less than in the control group (primary hypothesis) via ultrasound of the rectus femoris muscle and in case of given consent muscle biopsy. As secondary hypothesis it is examined whether the combination of early high protein intake and muscle activation improves muscle strength and endurance.


Clinical Trial Description

Intensive Care Unit Acquired Weakness (ICUAW) describes the clinically diagnosed manifestation of a neuromuscular organ dysfunction. It develops in approximately 40% of all intensive care unit patients amounting to at least 1.2 million patients annually in Germany. All these patients face a broad range of sequeleae and an increased mortality up to 5 years after ICU discharge. A characteristic pathophysiological phenomenon is an early severe muscle atrophy reaching 10% during the first days after ICU admission. The current preventative and therapeutic approach for ICUAW is a combination of targeted risk factor management as well as early activation of muscles, i.e. neuromuscular electrical stimulation (NMES) and early mobilization as they have been shown to counteract the muscle atrophy and mediate different outcome benefits such as shorter ICU stay. Nutrition is a key element of our daily life. Protein intake has been shown to affect lean mass and muscle mass. Research into specific nutritional strategies to treat or prevent ICUAW are scarce and the combination with early muscle activation has not been adequately explored. The study will include 40 patients (20 intervention, 20 observation) who were admitted to an intensive care unit within the last 48 hours. A basic requirement for inclusion is an indication for enteral (via the gastrointestinal tract) nutrition at time of inclusion. In the intervention group, the ability to mobilize is assessed daily and the maximum possible level of mobilization is carried out and additional muscles are activated twice a day using neuromuscular electrical stimulation (NMES). The nutrition plan of the intervention group is based on the applicable guidelines for intensive care medicine. In this study, protein intake is increased in the interventional group. The control group receives therapy without deviating from the standard according to the SOP and DGEM guideline: "Clinical nutrition in intensive care medicine" 2018. The study aims to show that the decrease in muscle mass is significantly less than in the control group (primary hypothesis) via ultrasound of the rectus femoris muscle and muscle biopsy. As a second hypothesis it is examined whether the combination of early high protein intake and muscle activation improves muscle strength and endurance compared to the control group. Further exploratory analyses will investigate changes in the skeletal muscle glycogen content, skeletal muscle histology, skeletal muscle gene expression, skeletal muscle protein level, as well as metabolomic changes in blood and urine. An additional blood sample will be taken after 90 days as part of a follow-up. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05919940
Study type Interventional
Source Technical University of Munich
Contact Stefan J Schaller, MD
Phone +498941409635
Email s.schaller@tum.de
Status Recruiting
Phase N/A
Start date June 27, 2023
Completion date January 15, 2025

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