Glimepiride
Glimepiride is an antidiabetic medication within the sulfonylurea class, primarily prescribed for the management of type 2 diabetes. It is regarded as a second-line option compared to metformin, due to metformin's well-established safety and efficacy. Use of glimepiride is recommended in conjunction with lifestyle modifications such as diet and exercise. It is taken by mouth, reaching a peak effect within three hours and lasting for about a day.
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Trade names | Amaryl, others |
AHFS/Drugs.com | Monograph |
MedlinePlus | a696016 |
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Routes of administration | By mouth |
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Pharmacokinetic data | |
Bioavailability | 100% |
Protein binding | >99.5% |
Metabolism | Complete Liver (1st stage through CYP2C9) |
Onset of action | 2–3 hours |
Elimination half-life | 5–8 hours |
Duration of action | 24 hours |
Excretion | Urine (~60%), feces (~40%) |
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ECHA InfoCard | 100.170.771 |
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Formula | C24H34N4O5S |
Molar mass | 490.62 g·mol−1 |
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Melting point | 207 °C (405 °F) |
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Common side effects include headache, nausea, and dizziness. Serious side effects may include low blood sugar. Use during pregnancy and breastfeeding is not recommended. It works predominantly by increasing the amount of insulin released from the pancreas. It is classified as a second-generation sulfonylurea.
Glimepiride was patented in 1979 and approved for medical use in 1995. It is available as a generic medication. In 2021, it was the 74th most commonly prescribed medication in the United States, with more than 8 million prescriptions.