The purpose of this study is to gain insight into the actual protein requirements of patients with chronic intestinal failure (CIF) receiving home parenteral nutrition, which could improve clinical management of these patients. Based on collected data on protein kinetics, the study aims to further refine and personalize nutritional mixtures in patients with CIF. Additional aims include assessment of short-chain fatty acid metabolism and evaluation of gut microbiota function in patients with CIF.
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Whole-Body Protein Kinetics (Protein Synthesis Rate) After Intravenous Amino Acid Infusion
Timeframe: Baseline (prior to amino acid infusion) and immediately after amino acid infusion (within 1 day)