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Methods and findings in experimental and clinical pharmacology

Evaluation of calcium dobesilate for its anti-cataract potential in experimental animal models.


PMID 20448859

Abstract

The present study evaluated the protective action of calcium dobesilate (CDO) in various experimental models of cataract. CDO was studied in hydrocortisone-induced cataract in developing chick embryos and selenite-induced cataract in pups. CDO anti-cataract activity was also evaluated after oral and topical application as eye drops in galactose (30%) fed rats. This study was further extended to evaluate the intraocular penetration of a single dose of 1% CDO (50 microL) in rabbits. CDO exhibited significant protection against cataract in experimental models and considerable penetration after single topical application. Anti-cataract activity may be due to its antioxidant as well as aldose reductase inhibitor properties. Further studies are in progress to evaluate its clinical efficacy in diabetic cataract.