METHODS	Patients were randomly assigned to receive peritoneal dialysis diurnal exchanges with either a standard glucose-based solution ( 1.5 % or 2.5 % according to the patient 's need ) or a glucose-based solution ( identical glucose amount ) enriched with l-carnitine ( 0.1 % , weight/volume ; 2 g/bag ) for 4 months , the nocturnal exchange with icodextrin being unmodified .\