| 摘要 |
This invention is directed to sorbitol dehydrogenase inhibitory compounds of formula I wherein R1, R2 and R3 are as defined in the specification. This invention is also directed to pharmaceutical compositions containing these compounds which inhibit sorbitol dehydrogenase and to methods of treating or preventing diabetic complications, particularly diabetic neuropathy, diabetic nephropathy, diabetic microangiopathy, diabetic macroangiopathy, diabetic cardiomyopathy and foot ulcers, by administering such compounds to a mammal suffering from diabetes and therefore at risk for developing such complications. This invention is also directed to pharmaceutical compositions comprising a combination of a compound of formula I of the present invention with a second pharmaceutical agent, including an aldose reductase inhibitor, a sodium hydrogen ion exchange (NHE-1) inhibitor , a glycogen phosphorylase inhibitor (GPI), a selective serotonin reuptake inhibitor, a 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor, an angiotensin converting enzyme inhibitor, a thiazolidinedione antidiabetic agent, an angiotensin II receptor antagonist, a .gamma.-aminobutyric acid (GABA) agonist, a phosphodiesterase type 5 inhibitor, an adenosine agonist, and a CETP inhibitor and to methods of using these combination compositions.
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