Chronic Kidney Disease Clinical Trial
Official title:
Effect of Very Low Protein Diet Supplemented With Ketoanalogues of the Essential Amino Acids on the Progression of Chronic Kidney Disease
This is a prospective single center randomized controlled trial with a total duration of 18 months aiming to evaluate the effectiveness and the safety of a very low protein diet supplemented with ketoanalogues of essential aminoacids in reducing the progression of chronic kidney disease (CKD) in patients with advanced CKD.
All eligible patients who will give informed consent will be screened. Those meeting the
selection criteria will be enrolled and will enter a 3-month run-in phase during which a
conventional LPD will be prescribed in all patients.
At the end of this phase, the subjects still fulfilling all the selection criteria will be
randomized in a 1:1 ratio to receive the KD or to continue the conventional LPD for a total
duration of 15 months.
Nineteen blood and urine samplings are scheduled for each patient, to be drawn monthly. The
laboratory reports include the nitrogen compounds, calcium-phosphorus metabolism parameters,
acid-base balance, biochemical nutritional markers, serum C-reactive protein, hemoglobin,
blood cell count, and biochemical safety parameters (sodium, potassium, liver enzymes, and
bilirubin).
The anthropometric measurements and subjective global assessment will be evaluated at
enrolment, at randomization, and every 3 months thereafter.
The compliance with the prescribed diet (protein and energy intake) will be assessed monthly
during the run-in phase, weekly for the first month after randomization, every 4 weeks during
the next 6 months, and every 3 months thereafter.
The blood pressure levels, drugs required for the therapy of hypertension, acidosis and
mineral metabolism disorders, and occurrence of adverse events will be recorded monthly.
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