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  • Title: Effects of a low-phosphorus, low-protein diet supplemented with essential amino acids and keto analogues on 'overt' diabetic nephropathy.
    Author: Barsotti G, Navalesi R, Morelli E, Giampietro O, Ciardella F, Cupisti A, Giovannetti S.
    Journal: Infusionsther Klin Ernahr; 1987 Oct; 14 Suppl 5():12-6. PubMed ID: 3436663.
    Abstract:
    In this paper we studied the effects of a low-protein, low-phosphorus supplemented diet in 8 type I diabetics with 'overt' diabetic nephropathy and mild or severe renal insufficiency. We examined the following parameters: the rate of decline of creatinine clearance, the urinary protein loss, the total serum protein, the daily insulin requirement, the serum fasting glucose, the pattern of serum lipids (serum total cholesterol, HDL cholesterol and serum triglycerides), the mean blood pressure and body weight. The rate of decline of creatinine clearance decreased monthly from 1.48 +/- 0.20 ml/min during a previous 15.6-month period of unrestricted protein diet (UPD), to 0.13 +/- 0.3 ml/min during the 11.4 months on the supplemented diet (SD). The mean blood pressure did not differ during UPD (130.9 +/- 7.0 mmHg) and during SD (128.1 +/- 1.6 mmHg). Urinary protein loss significantly decreased on SD, and total serum protein increased. The daily insulin requirement and the serum fasting glucose levels significantly decreased on SD. Serum cholesterol was lower during SD than during UPD, while serum HDL cholesterol and serum triglycerides were not significantly modified. In some patients the body weight decreased on SD as a consequence of the disappearance of edema. In conclusion, on the basis of these preliminary observations, the SD slows the progression of renal failure and seems to exert several beneficial and no unwanted side-effects in renal failure of type I diabetics.
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