Glimepiride distinctly lower the blood glucose level by both defects of NIDDM, by stimulating pancreatic beta cells to produce more insulin and induced increased activity of peripheral insulin intra cellular receptor.
With Glimepiride GI absorption is complete with no interference of meals. Significant absorption of glimepiride was seen within one hour, and distributed through out the body, bound to the plasma protein to an extended of 99.5% and it is metabolised by oxidative biotransformation and 60% is excreted in the urine, and remaining is excreted in the feces.
There is no fixed dosage regimen for the management of diabetes mellitus with GLI, in general the dosage of GLI should be lowest which is sufficient to achieve the desired metabolic control.
Starting dose : 1-2mg OD
Maintenance :1-4mg OD
Maximum recommended dose : 8mg OD
With NSAIDs like Salicylates, Sulphoamides, Chlorampenicol, coumarin and probencid may potentiate the hypoglycemic action of glimepride. Thiazides, other diuretic, phothiazides, thyroid products, oral contraceptives, phenytoin tend to produce hyperglycemia.