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  • Title: Low-dose candesartan cilexetil prevents early kidney damage in type 2 diabetic patients with mildly elevated blood pressure.
    Author: Murayama S, Hirano T, Sakaue T, Okada K, Ikejiri R, Adachi M.
    Journal: Hypertens Res; 2003 Jun; 26(6):453-8. PubMed ID: 12862201.
    Abstract:
    To determine the effect of a low-dose angiotensin receptor blocker, candesartan, on early kidney damage associated with diabetes. Fifty-two patients with type 2 diabetes with normo- and microalbuminuria participated in this study. Nineteen patients with high-normal and mildly high blood pressure received low-dose candesartan cilexetil at 4 mg daily (candesartan group), and 33 patients did not receive candesartan (control group). Blood pressure, urinary excretion of albumin, transferrin, and type IV collagen (expressed as urinary creatinine index) and plasma parameters were determined at baseline and at 2, 6, 12 and 18 months after the start of candesartan therapy. Baseline urinary albumin, transferrin, and type IV collagen excretions was similar in the control and candesartan groups. The higher baseline systolic blood pressure was decreased by candesartan treatment to a level similar to that in the control group, such that blood pressure was comparable between the control and candesartan groups during the run-in period. In the control group, urinary albumin excretion was significantly increased at 18 months when compared with baseline, while urinary albumin excretion did not increase in the candesartan group throughout the study. Urinary transferrin excretion was significantly increased at 6, 12, and 18 months when compared with baseline in the control group, while it did not increase in the candesartan group during the study. In both groups, urinary type IV collagen excretion did not change significantly during the study. Hemoglobin A1c, serum urea nitrogen, creatinine, albumin, and lipids were comparable between the two groups throughout the study. In conclusion, low-dose candesartan can prevent early kidney damage in type 2 diabetic patients with mildly higher blood pressure independently of its hypotensive action.
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