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Aldose reductase inhibitors
1Philadelphia College of Pharmacy and Science, Pennsylvania 19104-4495.
Abstract:
The present management of diabetes consists of attempting to control blood sugar tightly in the normal range and to treat individual complications such as neuropathy and retinopathy as they appear. Whereas these measures are perhaps effective in slowing the progress of diabetic complications, they do not cure the underlying process. The aldose reductase inhibitors have been investigated as possible remedies for various diabetic complications. Aldose reductase is an enzyme present in several human tissues that reduces glucose to sorbitol. In animal models there is evidence that the production of sorbitol is associated with the development of diabetic complications. Animal and human studies have tested the ability of aldose reductase inhibitors to halt or reverse diabetic complications. The weight of evidence leads to two conclusions: first, that aldose reductase inhibitors may bring significant relief to patients with certain diabetic complications; and second, that the current approach to proving clinical efficacy may not be adequate for these drugs.
Insights
Aldose reductase inhibitors show promise for treating diabetic complications by targeting sorbitol production. However, current methods for proving their clinical effectiveness may need improvement.
Area of Science:
- Biochemistry
- Endocrinology
- Pharmacology
Background:
- Current diabetes management focuses on blood sugar control and treating complications like neuropathy and retinopathy.
- These approaches slow disease progression but do not address the root cause of diabetic complications.
- Aldose reductase inhibitors are being explored as a novel therapeutic strategy.
Purpose of the Study:
- To investigate the potential of aldose reductase inhibitors in managing diabetic complications.
- To evaluate the role of sorbitol production in the development of these complications.
Main Methods:
- Review of animal models demonstrating the link between sorbitol production and diabetic complications.
- Analysis of human studies assessing the efficacy of aldose reductase inhibitors.
- Examination of the enzyme aldose reductase's function in reducing glucose to sorbitol.
Main Results:
- Evidence suggests aldose reductase inhibitors may offer significant relief for specific diabetic complications.
- Animal studies indicate a correlation between sorbitol production and the onset of diabetic complications.
- Human studies are exploring the therapeutic potential of these inhibitors.
Conclusions:
- Aldose reductase inhibitors show potential for alleviating certain diabetic complications.
- The existing methodologies for demonstrating the clinical efficacy of these drugs may be insufficient.