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Miglitol

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Overview

What is Miglitol?

Miglitol Tablets, an oral alpha-glucosidase inhibitor for use in the management of non-insulin-dependent diabetes mellitus (NIDDM). Miglitol is a desoxynojirimycin derivative, and is chemically known as 3,4,5-piperidinetriol, 1-(2-hydroxyethyl) -2-(hydroxymethyl)-, [2R-(2a,3ß,4a, 5ß)]-. It is a white to pale-yellow powder with a molecular weight of 207.2. Miglitol is soluble in water and has a pK of 5.9. Its empirical formula is C H NO and its chemical structure is as follows:

Miglitol tablets are available as 25 mg, 50 mg, and 100 mg tablets for oral use. The inactive ingredients are corn starch, microcrystalline cellulose, magnesium stearate, hypromelloses, polyethylene glycols, titanium dioxide, and polysorbate 80.



What does Miglitol look like?



What are the available doses of Miglitol?

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What should I talk to my health care provider before I take Miglitol?

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How should I use Miglitol?

Miglitol tablets are indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.

There is no fixed dosage regimen for the management of diabetes mellitus with miglitol tablets or any other pharmacologic agent. Dosage of miglitol tablets must be individualized on the basis of both effectiveness and tolerance while not exceeding the maximum recommended dosage of 100 mg 3 times daily. Miglitol tablets should be taken three times daily at the start of each main meal. Miglitol tablets should be started at 25 mg, and the dosage gradually increased both to reduce gastrointestinal adverse effects and to permit identification of the minimum dose required for adequate glycemic control of the patient.

During treatment initiation and dose titration, one-hour postprandial plasma glucose may be used to determine the therapeutic response to miglitol tablets and identify the minimum effective dose for the patient. Thereafter, glycosylated hemoglobin should be measured at intervals of approximately 3 months. The therapeutic goal should be to decrease both postprandial plasma glucose and glycosylated hemoglobin levels to normal or near normal by using the lowest effective dose of miglitol tablets, either as monotherapy or in combination with a sulfonylurea.


What interacts with Miglitol?

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What are the warnings of Miglitol?

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What are the precautions of Miglitol?

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What are the side effects of Miglitol?

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What should I look out for while using Miglitol?

Miglitol tablets are contraindicated in patients with:


What might happen if I take too much Miglitol?

Unlike sulfonylureas or insulin, an overdose of miglitol tablets will not result in hypoglycemia. An overdose may result in transient increases in flatulence, diarrhea, and abdominal discomfort. Because of the lack of extra-intestinal effects seen with miglitol tablets, no serious systemic reactions are expected in the event of an overdose.


How should I store and handle Miglitol?

Miglitol tablets are available as 25 mg, 50 mg, and 100 mg white to off-white, circular, biconvex film-coated tablets, debossed with the logo-mark "OP" on one side and the product code on the other side, as indicated below.


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Clinical Information

Chemical Structure

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Clinical Pharmacology

In contrast to sulfonylureas, miglitol tablets do not enhance insulin secretion. The antihyperglycemic action of miglitol results from a reversible inhibition of membrane-bound intestinal α-glucoside hydrolase enzymes. Membrane-bound intestinal α-glucosidases hydrolyze oligosaccharides and disaccharides to glucose and other monosaccharides in the brush border of the small intestine. In diabetic patients, this enzyme inhibition results in delayed glucose absorption and lowering of postprandial hyperglycemia.

Because its mechanism of action is different, the effect of miglitol tablets to enhance glycemic control is additive to that of sulfonylureas when used in combination. In addition, miglitol tablets diminish the insulinotropic and weight-increasing effects of sulfonylureas.

Miglitol has minor inhibitory activity against lactase and consequently, at the recommended doses, would not be expected to induce lactose intolerance.

Non-Clinical Toxicology
Miglitol tablets are contraindicated in patients with:

Several studies investigated the possible interaction between miglitol and glyburide. In six healthy volunteers given a single dose of 5 mg glyburide on a background of 6 days treatment with miglitol (50 mg 3 times daily for 4 days followed by 100 mg 3 times daily for 2 days) or placebo, the mean C and AUC values for glyburide were 17% and 25% lower, respectively, when glyburide was given with miglitol. In a study in diabetic patients in which the effects of adding miglitol 100 mg 3 times daily for 7 days or placebo to a background regimen of 3.5 mg glyburide daily were investigated, the mean AUC value for glyburide was 18% lower in the group treated with miglitol, although this difference was not statistically significant. Information on a potential interaction with glyburide was obtained from one of the large U.S. clinical trials (Study 7) in which patients were dosed with either miglitol or placebo on a background of glyburide 10 mg twice daily. At the 6-month and 1-year clinic visits, patients taking concomitant miglitol 100 mg 3 times daily exhibited mean C values for glyburide that were 16% and 8% lower, respectively, compared to patients taking glyburide alone. However, these differences were not statistically significant. Thus, although there was a trend toward lower AUC and C values for glyburide when co-administered with miglitol tablets, no definitive statement regarding a potential interaction can be made based on the foregoing three studies.

The effect of miglitol (100 mg 3 times daily for 7 days) on the pharmacokinetics of a single 1000 mg dose of metformin was investigated in healthy volunteers. Mean AUC and C values for metformin were 12% to 13% lower when the volunteers were given miglitol as compared with placebo, but this difference was not statistically significant.

In a study with healthy volunteers, co-administration of either 50 mg or 100 mg miglitol 3 times daily together with digoxin reduced the average plasma concentrations of digoxin by 19% and 28%, respectively. However, in diabetic patients under treatment with digoxin, plasma digoxin concentrations were not altered by co-administration of miglitol 100 mg 3 times daily for 14 days.

Other healthy volunteer studies have demonstrated that miglitol may significantly reduce the bioavailability of ranitidine and propranolol by 60% and 40%, respectively. No effect of miglitol was observed on the pharmacokinetics or pharmacodynamics of either warfarin or nifedipine.

Intestinal adsorbents (e.g., charcoal) and digestive enzyme preparations containing carbohydrate-splitting enzymes (e.g., amylase, pancreatin) may reduce the effect of miglitol tablets and should not be taken concomitantly.

In 12 healthy males, concomitantly administered antacid did not influence the pharmacokinetics of miglitol.

There have been no clinical studies establishing conclusive evidence of macrovascular risk reduction with miglitol tablets or any other anti-diabetic drug.

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Reference

This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"

While we update our database periodically, we cannot guarantee it is always updated to the latest version.

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Professional

Clonazepam Description Each single-scored tablet, for oral administration, contains 0.5 mg, 1 mg, or 2 mg Clonazepam, USP, a benzodiazepine. Each tablet also contains corn starch, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and povidone. Clonazepam tablets USP 0.5 mg contain Yellow D&C No. 10 Aluminum Lake. Clonazepam tablets USP 1 mg contain Yellow D&C No. 10 Aluminum Lake, as well as FD&C Blue No. 1 Aluminum Lake. Chemically, Clonazepam, USP is 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one. It is a light yellow crystalline powder. It has the following structural formula: C15H10ClN3O3 M.W. 315.72
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Interactions

Interactions

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