Repaglinide

452.59

452.59

1312995-182-4

668Z8C33LU

759893

DTXSID3023552

C47703

A10BX02|A - Alimentary tract and metabolism

2933399090

78.9

5.9

white solid

1.137±0.06 g/cm3(Predicted)

132 °C

672.9°C at 760 mmHg

360.8ºC

1.567

DMSO: 34 mg/mL

2-8°C

5E-19mmHg at 25°C

LD50 orally in rats: >1 g/kg (Grell)

D20 +6.97° (c = 0.975 in methanol); D20 +7.45° (c = 1.06 in methanol)

2

000000033825

P201, P202, P260, P263, P264, P270, P273, P281, P308+P313, P405, P501

H361

|Warning|H361 (96.67%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]|P201, P202, P260, P263, P264, P270, P273, P281, P308+P313, P405, and P501|Aggregated GHS information provided by 60 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

LD50 >1 g/kg (rat) (W. Grell)

In several large clinical trials, serum aminotransferase elevations during repaglinide therapy were uncommon and similar in frequency with placebo. All serum enzyme elevations that occurred were asymptomatic and resolved rapidly with stopping therapy. Since its approval and with wide scale use, there have been a small number of reports of clinically apparent liver injury attributed to repaglinide. The time to onset ranged from 2 to 8 weeks and the pattern of serum enzyme elevations was typically cholestatic or mixed. Jaundice and pruritus were prominent. Immunoallergic features and autoantibodies were not present. All published cases have been self-limited, resolving within 1 to 2 months of stopping.

>98% (e.g. to to albumin and α1-acid glycoprotein)

As an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.|FDA Label|Repaglinide is indicated in patients with type-2 diabetes (non-insulin-dependent diabetes mellitus (NIDDM)) whose hyperglycaemia can no longer be controlled satisfactorily by diet, weight reduction and exercise.Treatment should be initiated as an adjunct to diet and exercise to lower the blood glucose in relation to meals.|Repaglinide is indicated in patients with type-2 diabetes (non-insulin-dependent diabetes mellitus (NIDDM)) whose hyperglycaemia can no longer be controlled satisfactorily by diet, weight reduction and exercise. Repaglinide is also indicated in combination with metformin in type-2 diabetes patients who are not satisfactorily controlled on metformin alone., , Treatment should be initiated as an adjunct to diet and exercise to lower the blood glucose in relation to meals.,|Repaglinide is indicated in patients with type-2 diabetes (non-insulin-dependent diabetes mellitus (NIDDM)) whose hyperglycaemia can no longer be controlled satisfactorily by diet, weight reduction and exercise. Repaglinide is also indicated in combination with metformin in type 2 diabetes patients who are not satisfactorily controlled on metformin alone., , Treatment should be initiated as an adjunct to diet and exercise to lower the blood glucose in relation to meals.,|Repaglinide is indicated in patients with type-2 diabetes (non-insulin-dependent diabetes mellitus (NIDDM)) whose hyperglycaemia can no longer be controlled satisfactorily by diet, weight reduction and exercise. Repaglinide is also indicated in combination with metformin in type-2-diabetes patients who are not satisfactorily controlled on metformin alone., , Treatment should be initiated as an adjunct to diet and exercise to lower the blood glucose in relation to meals.,|Repaglinide is indicated in patients with type-2 diabetes (non-insulin-dependent diabetes mellitus (NIDDM)) whose hyperglycaemia can no longer be controlled satisfactorily by diet, weight reduction and exercise. Repaglinide is also indicated in combination with metformin in type-2 diabetes patients who are not satisfactorily controlled on metformin alone.Treatment should be initiated as an adjunct to diet and exercise to lower the blood glucose in relation to meals.

Repaglinide is a benzoic acid derivative that stimulates insulin secretion from the pancreas and is used in the therapy of type 2 diabetes. Repaglinide has been linked to rare instances of clinically apparent acute liver injury.

Antidiabetic Agents

Insulin secretion by pancreatic β cells is partly controlled by cellular membrane potential. Membrane potential is regulated through an inverse relationship between the activity of cell membrane ATP-sensitive potassium channels (ABCC8) and extracellular glucose concentrations. Extracellular glucose enters the cell via GLUT2 (SLC2A2) transporters. Once inside the cell, glucose is metabolized to produce ATP. High concentrations of ATP inhibit ATP-sensitive potassium channels causing membrane depolarization. When extracellular glucose concentrations are low, ATP-sensitive potassium channels open causing membrane repolarization. High glucose concentrations cause ATP-sensitive potassium channels to close resulting in membrane depolarization and opening of L-type calcium channels. The influx of calcium ions stimulates calcium-dependent exocytosis of insulin granules. Repaglinide increases insulin release by inhibiting ATP-sensitive potassium channels in a glucose-dependent manner.

Substances which lower blood glucose levels. (See all compounds classified as Hypoglycemic Agents.)

Rapidly and completely absorbed following oral administration. Peak plasma concentrations are observed within 1 hour (range 0.5-1.4 hours). The absolute bioavailability is approximately 56%. Maximal biological effect is observed within 3-3.5 hours and plasma insulin levels remain elevated for 4-6 hours. When a single 2 mg dose of repaglinide is given to healthy subjects, the area under the curve (AUC) is 18.0 - 18.7 (ng/mL/h)^3.|90% eliminated in feces (<2% as unchanged drug), 8% in urine (0.1% as unchanged drug)|31 L following IV administration in healthy individuals|33-38 L/hour following IV administration

Repaglinide is rapidly metabolized via oxidation and dealkylation by cytochrome P450 3A4 and 2C9 to form the major dicarboxylic acid derivative (M2). Further oxidation produces the aromatic amine derivative (M1). Glucuronidation of the carboxylic acid group of repaglinide yields an acyl glucuronide (M7). Several other unidentified metabolites have been detected. Repaglinide metabolites to not possess appreciable hypoglycemic activity.|Repaglinide has known human metabolites that include 2-Hydroxy-4-[2-[[3-methyl-1-(2-piperidin-1-ylphenyl)butyl]amino]-2-oxoethyl]benzoic acid, 2-ethoxy-4-[2-[[1-[2-(4-hydroxybutylamino)phenyl]-3-methylbutyl]amino]-2-oxoethyl]benzoic acid, 2-ethoxy-4-[2-[[3-hydroxy-3-methyl-1-(2-piperidin-1-ylphenyl)butyl]amino]-2-oxoethyl]benzoic acid, 3'-Hydroxy Repaglinide(Mixture of Diastereomers), and Repaglinide aromatic amine.

1 hour

Repaglinide activity is dependent on the presence functioning β cells and glucose. In contrast to sulfonylurea insulin secretatogogues, repaglinide has no effect on insulin release in the absence of glucose. Rather, it potentiates the effect of extracellular glucose on ATP-sensitive potassium channel and has little effect on insulin levels between meals and overnight. As such, repaglinide is more effective at reducing postprandial blood glucose levels than fasting blood glucose levels and requires a longer duration of therapy (approximately one month) before decreases in fasting blood glucose are observed. The insulinotropic effects of repaglinide are highest at intermediate glucose levels (3 to 10 mmol/L) and it does not increase insulin release already stimulated by high glucose concentrations (greater than 15 mmol/L). Repaglinide appears to be selective for pancreatic β cells and does not appear to affect skeletal or cardiac muscle or thyroid tissue.

2-ethoxy-4-(2-((3-methyl-1-(2-(1-piperidinyl)phenyl)butyl)amino)-2-oxoethyl)benzoic acid

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