Meloni 2002.

Methods	RCT. Duration 12 months.
Participants	32 type 1 patients (14‐32 yrs), duration of diabetes 20.9 years. 37 type 2 patients (15‐34 yrs), duration of diabetes 24.9 years. Overt nephropathy and hypertension.
Interventions	LPD = 0.6 g/kg/day (n=20). UPD = 1.39 g/kg/day (n=17).
Outcomes	GFR. Malnutrition measured by serum albumin, serum pre‐albumin and anthropometric parameters. Compliance monitored by uU. Actual protein intake 0.68 g/kg/day.
Notes	Malnutrition noted in LPD.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear