Angiotensin receptor blockade in diabetic renal disease--focus on candesartan

José A García Donaire1, Luis M Ruilope

  • 1Hypertension Unit, Hospital 12 de Octubre, Av. Cordoba s/n, 28041 Madrid, Spain.

Insights

Strict blood pressure and glycaemic control are key for diabetic kidney disease. Angiotensin receptor blockers, like candesartan, are recommended for hypertension in type 2 diabetes, significantly reducing urinary albumin excretion.

Area of Science:

  • Nephrology
  • Cardiology
  • Endocrinology

Background:

  • Diabetic renal disease management requires strict blood pressure and glycaemic control.
  • Hypertension is a major risk factor for diabetic renal disease progression.
  • Angiotensin receptor blockers (ARBs) are increasingly recognized for their renoprotective effects.

Purpose of the Study:

  • To review the evidence supporting ARBs in treating hypertension in type 2 diabetic patients with diabetic renal disease.
  • To highlight the efficacy of candesartan in blood pressure control and kidney protection.
  • To discuss the role of ARBs in managing cardiovascular risk in this population.

Main Methods:

  • Review of recent clinical evidence and guidelines regarding ARB use.
  • Analysis of studies evaluating candesartan's effects on blood pressure and urinary albumin excretion (UAE).
  • Examination of data on dual blockade with ARBs and ACE inhibitors.

Main Results:

  • Candesartan treatment (8-32mg daily) reduced UAE by up to 60% in type 2 diabetes patients with albuminuria.
  • Dual blockade with an ACE inhibitor and candesartan further reduced UAE by 25-35% compared to ACE inhibitor monotherapy.
  • ARBs are considered a first-choice antihypertensive treatment for type 2 diabetes with diabetic renal disease.

Conclusions:

  • ARBs, particularly candesartan, are effective in managing hypertension and reducing albuminuria in type 2 diabetes.
  • Dual blockade with ARBs and ACE inhibitors offers additional renoprotective benefits.
  • Comprehensive management including blood pressure, glycaemic control, and cardiovascular risk is crucial for diabetic renal disease.

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