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The aim of the study was to evaluate the effectiveness of the antioxidant alpha–lipoic acid in peritoneal dialysis (PD) patients taking into account the state of lipid peroxidation (LPO) and antioxidant protection (AOP) before and after treatment. Patients and methods. The research revealed the intensity of oxidative processes in 20 patients treated with continuous ambulatory peritoneal dialysis (CAPD) on the basis of а–lipoic acid applied parenterally in a dose of 600 mg for 2–weeks followed by a transfer to the 6 weeks of oral reception. The intensity of oxidative processes was evaluated before and after treatment through determining the content of MDA in serum (MDAs) and erythrocytes (MDAe). AOP activity was evaluated by the content of the antioxidant enzyme ceruloplasmin (CP), transferrin (Tr), SH–groups and total peroxidase activity (TPA) of red blood cells. The control group consisted of30 individuals comparable on for age and sex. Results. The effects on the study of PD patients (positive decrease of MDAs, increase in CP higher than control group, a significant increase in the content of SH–groups (p=0,04), TPA (p=0,009), Tr (p=0,002) and catalase serum) demonstrated a considerable positive dynamics of LPO /AOP influenced by the use of а–lipoic acid. Conclusions. The research opens up the prospect for further study ofLPO /AOP blood in PD patients and proves the application expediency of alpha–lipoic acid for this group. Use of the latter lowers the activity of oxidative processes significantly and restores AOP indicators substantially, which in turn minimizes the negative influence of oxidative stress on a patient’s body.

ALPHA–LIPOIC ACID ANTIOXIDANT EFFICIENCY IN TREATMENT OF PERITONEAL DIALYSIS PATIENTS