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Vegan supplemented diet in nephrotic syndrome
G Barsotti1, A Cupisti, E Morelli
1Clinica Medica I, Universitá degli Studi, Pisa, Italy.
Summary
A vegan, low-protein diet with essential amino acids and ketoanalogues (VSD) reduced proteinuria and improved hypercholesterolemia in patients with nephrotic syndrome. Protein malnutrition was prevented by the supplementation.
Area of Science:
- Nephrology
- Nutritional Science
- Dietary Interventions
Background:
- Steroid-resistant nephrotic syndrome (SRNS) presents a significant clinical challenge.
- Patients with SRNS often experience proteinuria and hypercholesterolemia.
- Dietary interventions are explored to manage SRNS complications.
Purpose of the Study:
- To evaluate the efficacy of a vegan, low-protein diet supplemented with essential amino acids and ketoanalogues (VSD) in patients with primary SRNS.
- To assess the impact of VSD on proteinuria, lipid profiles, and renal function.
Main Methods:
- Thirteen patients with SRNS and normal renal function were enrolled.
- Patients followed a vegan, low-protein diet (0.7 g/kg/day) supplemented with essential amino acids and ketoanalogues for approximately 4 months.
- Urinary protein excretion, serum lipids, and creatinine clearance were measured before and after the intervention.
Main Results:
- Urinary protein excretion significantly decreased from 8.7 to 5.6 g/day (P<0.01).
- Serum total cholesterol levels reduced from 334.6 to 275.6 mg/dl (P<0.05).
- Urinary urea nitrogen decreased significantly, indicating adherence to dietary protein restriction, while creatinine clearance remained unchanged.
Conclusions:
- The vegan, low-protein diet supplemented with essential amino acids and ketoanalogues (VSD) effectively reduces proteinuria in SRNS patients.
- VSD demonstrates favorable effects on hypercholesterolemia without causing protein malnutrition.
- This dietary approach offers a potential therapeutic strategy for managing SRNS.