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Glipizide

Glipizide is an oral rapid- and short-acting anti-diabetic medication from the sulfonylurea class. It is classified as a second-generation sulfonylurea, which means that it undergoes enterohepatic circulation. More

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Description

Glipizide is an oral rapid- and short-acting anti-diabetic medication from the sulfonylurea class. It is classified as a second-generation sulfonylurea, which means that it undergoes enterohepatic circulation.

Generic Name

Glipizide

Chemical names

Glipizide; 29094-61-9; Glucotrol; Glydiazinamide; Glibenese

Brand names

Bimode-SR, D-Glip, Diacon, Diaglip, Dibizide, G-Trol, Glez, Glibetic, Glide, Glip, Glipiriv, Glipy, Glucolip, Glucotrol, Glutop SR, Glylin-5, Glynase, Glytop-SR, Glyzip, Glyzip-CR, Godde, Lipi, Semi-Glynase, Tranase

IUPAC name

N-[2-(4-{[(cyclohexylcarbamoyl)amino]sulfonyl}phenyl)ethyl]-5-methylpyrazine-2-carboxamide

Pharmacokinetics

Oral absorption, 98-99% protein binding, hepatic metabolism and excreted through urine.

Actions

Glipizide, a second-generation sulfonylurea, is used with diet to lower blood glucose in patients with diabetes mellitus type II. The primary mode of action of glipizide in experimental animals appears to be the stimulation of insulin secretion from the beta cells of pancreatic islet tissue and is thus depends on the functioning of beta cells in the pancreatic islets. Fasting insulin levels are not elevated even on long-term glipizide administration, but the postprandial insulin response continues to be enhanced after at least 6 months of treatment. 

Dosage/Dosage form

2.5-5 mg/day as single dose initially per oral, dose may increase slowly.

Therapeutic uses

Anti-diabetic drug

Adverse effects/Side effects

GI upsets, diarrhoea, nausea; allergic skin reactions, leucopenia, thrombocytopenia, agranulocytosis, hyponatraemia; jaundice; haemolytic anaemia, pancytopenia.

Interaction

  • Decreased effect with β-blockers, cholestyramine, hydantoins, thiazide diuretics and urinary alkalinizers.
  • Increased hypoglycaemic effects with anticoagulants, H2 antagonists, androgens, cimetidine, TCAs, salicylates, fluconazole, ketoconazole, gemfibrozil, NSAIDs, sulfonamides, pioglitazone, probenecid, methyldopa, MAOIs, digitalis glycosides and urinary acidifiers.

Contraindications

  • Hypersensitivity.
  • Ketoacidosis; Type 1 DM; severe renal or hepatic insufficiency.
  • Pregnancy, lactation.

Storage

Store it at room temperature.

Information

Molecular weight

445.535

Molecular formula

C21H27N5O4S

CAS number

29094-61-9

Precautions

Hypoglycaemia, stress, elderly. Thyroid impairment; moderate hepatic or renal impairment. Monitor blood glucose concentration.