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Clinical Trial Summary

It's a pilot study with an open label randomized-controlled design. Estimated number of patients should have been 38, taking in account of a maximal drop out up to 20% of the sample. We enrolled 35 patients, 27 of whom terminated the study as per protocol (14 in the Low protein (LP) group and 13 in the Normo Protein (NP) group). Patients were treated for six months with two different dietary prescriptions: 1. LP group (n=17) was prescribed high calories/low proteins diet (30 Kcal/kg and 0.6-0.7gr/kg respectively). In order to assure prescribed calorie intake, this group was supplemented with commercial protein free products (protein content <2%). 2. NP group (n=18) was prescribed high calories/normal proteins diet (30 kcal/kg and 0.8 gr/kg respectively). The primary hypothesis of the study was that in CKD patients at risk of malnutrition (4 ≤ MIS ≥7) with a persistent spontaneous low protein and calories intake, the prescription of a LP diet was not inferior to NP diet regarding the development of malnutrition (i.e.MIS ≥ 8). We also wanted to test whether in these patients, the prescription of a LP diet was superior to the NP comparator regarding the control of the metabolic complication of chronic kidney diseases (i.e hyperphosphatemia, inflammation and metabolic acidosis), the progression on dyna/sarcopenia, inflammation and possibly on the progression of renal disease itself.


Clinical Trial Description

Nutritional status will be evaluated through: - Malnutrition Inflammation Score (MIS), - Anthropometric measurements, - albumin, prealbumin, transferrin, - 24h urinary nitrogen, - bioimpedance analysis (BIA), - periodic 24h dietary diaries, - International Society of Renal Nutrition and Metabolism (ISRNM), Physical performance will be evaluated through: - Short Physical Performance Battery (SPPB) - Handgrip strength Inflammation assessment: - c-reactive protein (CRP) - Interleukine-6 (IL6) - whole blood Neutrophil/lymphocyte ratio Renal function assessment: - eGFR based on serum creatinine and cystatin C - average creatinine and urea clearance Uremic metabolic alteration: - serum urea - serum phosphate - serum FGF23 - parathormone (PTH), - plasma pH and bicarbonate Time points of evaluation Dietary compliance has been assessed by a trained nutritionist at months 1, 2, 3 and 6. Dietary consumption was estimated by using dietary diaries and normalized catabolic protein rate (nPCR) measurement at baseline, 3 and at 6 months. Nutritional status and physical performance have been evaluated monthly for the first three months and then at 6 months. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05015647
Study type Interventional
Source Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Contact
Status Completed
Phase N/A
Start date September 26, 2018
Completion date June 12, 2020

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