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The therapeutic implications of renin-angiotensin system blockade in diabetic retinopathy

V Swetha E Jeganathan1

  • 1Department of Ophthalmology, University College Hospital, Galway, Ireland. vswetha@ausdoctors.net

Current Pharmaceutical Biotechnology
|October 14, 2010
PubMed

Insights

Lowering high blood pressure is crucial for managing diabetic retinopathy. Inhibiting the renin-angiotensin-system (RAS) shows promise as a therapeutic strategy for diabetic eye disease.

Area of Science:

  • Ophthalmology
  • Endocrinology
  • Pharmacology

Background:

  • High blood pressure is a significant, modifiable risk factor for diabetic retinopathy.
  • Diabetic retinopathy affects both type 1 and type 2 diabetes patients.
  • The renin-angiotensin-system (RAS) is activated in diabetes, contributing to end-organ damage.

Purpose of the Study:

  • To review therapeutic renin-angiotensin-system (RAS) inhibition for diabetic retinopathy.
  • To emphasize recently published evidence on RAS inhibition in managing diabetic retinopathy.

Main Methods:

  • Review of current scientific literature on RAS, hyperglycemia, and diabetic retinopathy.
  • Analysis of pharmacological RAS inhibition strategies.

Main Results:

  • Lowering blood pressure significantly reduces diabetic retinopathy development and progression.
  • Hyperglycemia activates angiotensin AT1-receptor, leading to damage.
  • Pharmacological RAS inhibition is a potentially beneficial therapeutic strategy.

Conclusions:

  • RAS inhibition is a promising therapeutic approach for diabetic retinopathy.
  • Further research is needed on RAS blockade as an adjunct therapy for diabetic retinopathy.

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