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Time to Protein Target Using a High Whey Protein Enteral Nutrition in Critically Ill Patients

Critically Ill Clinical Trial

Official title:
Time to Protein Target, the 'HIGH WHEY' Study A Prospective Pilot Study

Clinical Trial Summary

This study evaluates the feasibility of a high whey-protein enteral nutrition formula in 20 ventilated ICU patients. The primary endpoint of study is the feasibility to attain the individualized protein target (≥1.2 g/kg ideal body weight/day) 96-hours after ICU admission. Secondary endpoints include tolerance and efficacy in terms of the amino acid response in blood.

Clinical Trial Description

In the present pilot study, the investigators will use a high whey-protein nutrition formula during the first four days of ICU admission. The reason for using a high protein nutrition is that the investigators previously found that an early high protein intake in non-septic non-overfed patients was associated with lower hospital mortality (Weijs PJM et. al., Critical Care 2014,18). Furthermore, during the first days of critical illness tolerance to full enteral nutrition is often diminished. The use of a high protein nutrition will facilitate an early high protein intake.

The whey protein is hydrolysed. Hydrolyzation of protein prevents coagulation and subsequent solidification in the digestive tract and therefore promotes efficient absorption of the protein. Of all nutrition proteins, whey protein has the largest leucin content. Leucin is crucial for muscle protein synthesis. (Meyer RF, et.al.: BMC Gastroenterol 2015, 15), (Marik PE: Ann Intensive Care 2015,5:51)

Our previous observational data also showed that early overfeeding was associated with higher mortality, while an intake of 80-100% of measured energy expenditure at day 4 of ICU admission was associated with lower mortality. (Weijs PJM et. al., Critical Care 2014, 18)

Therefore, the energy target during the first four days will be 90% of the measured Energy Expenditure (EE). To optimize energy intake, the investigators will measure EE by metabolic monitoring (Deltatrac®, Datex, Helsinki, Finland), If metabolic monitoring is not available, the investigators will assess EE from the ventilator derived VCO2 (8.19*VCO2). (Stapel S, et.al., Critical Care 2015,19:370) ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02815527
Study type Observational
Source VU University Medical Center
Contact
Status Completed
Phase N/A
Start date March 2016
Completion date September 2017
View Details
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