In vivo activities of aldose reductase inhibitors having a 1-(arylsulfonyl)hydantoin structure

Biochemical Pharmacology
I MiwaJ Okuda

Abstract

Two potent aldose reductase inhibitors, 1-[(2,5-dichlorophenyl)sulfonyl]hydantoin (Di-Cl-PSH) and 1-[beta-naphthyl)sulfonyl]hydantoin (beta-NSH), were tested for usefulness in the treatment of diabetic and galactosemic complications in animal experiments. Both drugs were effective for the treatment of diabetic neuropathy characterized by decreased motor nerve conduction velocity, that is, slowing of tail and sciatic-tibial motor nerve conduction velocities in streptozocin-induced diabetic rats was prevented during 3 weeks by intubating Di-Cl-PSH or beta-NSH at 50 mg/kg/day. Lenticular vacuole formation in rats fed a 30% galactose diet was blocked completely for at least 2 weeks by oral administration of Di-Cl-PSH or beta-NSH at both 30 and 100 mg/kg/day, whereas all of the eyes of vehicle-treated rats showed vacuole formation by day 4 on the galactose diet. The ED50 values of Di-Cl-PSH and beta-NSH for inhibition of sorbitol accumulation in the sciatic nerve and lens of streptozocin-induced diabetic rats were also estimated; the values of Di-Cl-PSH and beta-NSH were 1.1 and 3.4 mg/kg/day, respectively, for inhibition in the sciatic nerve and 4.8 and 16.0 mg/kg/day, respectively, for that in the lens. This study indicates that D...Continue Reading

References

Jan 1, 1987·Diabetes Care·B R Zimmerman
May 1, 1987·Metabolism: Clinical and Experimental·B W GriffinB M York
Sep 1, 1987·Biochemical Pharmacology·I MiwaJ Okuda
Oct 1, 1985·Metabolism: Clinical and Experimental·N Simard-DuquesneD Dvornik
Sep 1, 1982·Chemical & Pharmaceutical Bulletin·K InagakiJ Okuda

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