Background. The risk of cardiovascular events remains after kidney transplantation (KT). Abnormal glucose metabolism and hyperlipidemia contribute partly to this risk. Among angiotensin II type-1 receptor blockers, telmisartan alone has been shown to ameliorate these effects on glucose and lipid metabolism (GLM). We investigated the effects of telmisartan on GLM in KT patients. Methods. This trial had a crossover design. Forty-six KT patients with well-controlled hypertension under angiotensin II type-1 receptor blockers were randomized into telmisartan and candesartan groups. After a 12-week treatment, crossover was initiated, and additional 12-week treatment was administered without a washout period. We examined the laboratory parameters of GLM, blood pressure and graft function before and after each treatment period. Results. Forty patients completed the scheduled treatment regimen. Serum levels of triglyceride were significantly lower (114.3 ± 50.8 mg/dL vs 136.5 ± 66.8 mg/dL; P = 0.019), and the estimated glomerular filtration rate was significantly higher (50.4 ± 15.1 mL/min per 1.73 m 2 vs 48.5 ± 12.5 mL/min per 1.73 m 2 ; P = 0.038) after telmisartan treatment than after candesartan treatment. There were no significant differences between the 2 treatment groups with regard to the other parameters studied (including serum adiponectin levels and parameters of glucose metabolism). Conclusions. These data suggest that telmisartan can improve serum triglyceride levels and graft function for KT patients better than candesartan.
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