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New clinical investigations with selective angiotensin II receptor blocker therapy in diabetes and renal diseaseHypertension Unit, Hospital 12 de Octubre, Madrid, Spain, Luis_M_Ruilope @teleline.es Halting the reduction in glomerular filtration rate (GFR) is the primary aim of any treatment of patients presenting with progressive chronic renal failure, a very common corollary to diabetes. To improve GFR, the high blood pressure (BP) and proteinuria often seen in these patients must both be controlled. These symptoms lead not only to progressive loss of renal function, but also to an increase in cardiovascular risk. Use of angiotensin-converting enzyme (ACE) inhibitors in these patients has been reported to control BP and reduce protein excretion and cardiovascular risk. Complete blockade of angiotensin II (Ang II) action with the highly selective Ang II receptor blocker (ARB) valsartan, both as monotherapy and in combination with ACE inhibitors, is well-tolerated and efficacious in patients with renal failure. Unlike ACE inhibition, ARB treatment leads to no initial reduction in GFR, thus valsartan may be a better agent for the control of BP, with greater renal protection.
Key Words: renal failure • Ang II receptor blockade • valsartan • ACE inhibition • diabetes • glomerular filtration rate • microalbuminuria
Journal of Renin-Angiotensin-Aldosterone System, Vol. 1, No. 2 suppl,
S29-S31 (2000) |
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