Glimepiride instructions for administration

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-632-7753

Instructions for administration

Overview

Usual maintenance dose

Glimepiride/metformin combination therapy

Glimepiride/insulin combination therapy

Specific patient populations

Patients receiving other oral hypoglycemic agents

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Overview

The usual starting dose of Glimepiride as initial therapy is 1 to 2 mg once daily, administered with breakfast or the first main meal. Those patients who may be more sensitive to hypoglycemic drugs should be started at 1 mg once daily, and should be titrated carefully.
No exact dosage relationship exists between Glimepiride and the other oral hypoglycemic agents. The maximum starting dose of Glimepiride should be no more than 2 mg.
Failure to follow an appropriate dosage regimen may precipitate hypoglycemia. Patients who do not adhere to their prescribed dietary and drug regimen are more prone to exhibit unsatisfactory response to therapy. Return to top

Usual maintenance dose

The usual maintenance dose is 1 to 4 mg once daily. The maximum recommended dose is 8 mg once daily. After reaching a dose of 2 mg, dosage increases should be made in increments of no more than 2 mg at 1 to 2 week intervals based upon the patient’s blood glucose response. Long-term efficacy should be monitored by measurement of HbA1c levels, for example, every 3 to 6 months. Return to top

Glimepiride/metformin combination therapy

If patients do not respond adequately to the maximal dose of Glimepiride monotherapy, addition of metformin may be considered. Published clinical information exists for the use of other sulfonylureas including glyburide, glipizide, chlorpropamide, and tolbutamide in combination with metformin.
With concomitant Glimepiride and metformin therapy, the desired control of blood glucose may be obtained by adjusting the dose of each drug.
However, attempts should be made to identify the minimum effective dose of each drug to achieve this goal. With concomitant Glimepiride and metformin therapy, the risk of hypoglycemia associated with Glimepiride therapy continues and may be increased. Appropriate precautions should be taken.Return to top

Glimepiride/insulin combination therapy

Combination therapy with Glimepiride and insulin may also be used in secondary failure patients. The fasting glucose level for instituting combination therapy is in the range of > 150 mg/dL in plasma or serum depending on the patient. The recommended Glimepiride dose is 8 mg once daily administered with the first main meal. After starting with low-dose insulin, upward adjustments of insulin can be done approximately weekly as guided by frequent measurements of fasting blood glucose. Once stable, combination-therapy patients should monitor their capillary blood glucose on an ongoing basis, preferably daily. Periodic adjustments of insulin may also be necessary during maintenance as guided by glucose and HbA1c levels. Return to top

Specific patient populations

Glimepiride tablets are not recommended for use in pregnancy or nursing mothers. Data are insufficient to recommend pediatric use of Glimepiride. In elderly, debilitated, or malnourished patients, or in patients with renal or hepatic insufficiency, the initial dosing, dose increments, and maintenance dosage should be conservative to avoid hypoglycemic reactions. Return to top

Patients receiving other oral hypoglycemic agents

As with other sulfonylurea hypoglycemic agents, no transition period is necessary when transferring patients to Glimepiride. Patients should be observed carefully (1 to 2 weeks) for hypoglycemia when being transferred from longer half-life sulfonylureas (e.g., chlorpropamide) to Glimepiride due to potential overlapping of drug effect. Return to top

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The content of this page is taken from the FDA package insert for this drug and should not be edited.