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Glipizide Tablets

Pronunciation

Dosage Form: tablet, film coated, extended release

Indications and Usage for Glipizide Tablets

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

Limitations of Use

Glipizide extended-release tablets are not recommended for the treatment of type 1 diabetes mellitus or diabetic ketoacidosis.

Glipizide Tablets Dosage and Administration

Recommended Dosing

Glipizide extended-release tablets should be administered orally with breakfast or the first main meal of the day.

The recommended starting dose of glipizide extended-release tablets is 5 mg once daily. Start patients at increased risk for hypoglycemia (e.g. the elderly or patients with hepatic insufficiency) at 2.5 mg [see Use in Specific Population (8.5, 8.6)].

Dosage adjustment can be made based on the patient’s glycemic control. The maximum recommended dose is 20 mg once daily.

Patients receiving immediate release glipizide may be switched to glipizide extended-release tablets once daily at the nearest equivalent total daily dose.

Use with Other Glucose Lowering Agents

When adding glipizide extended-release tablets to other anti-diabetic drugs, initiate glipizide extended-release tablets at 5 mg once daily. Start patients at increased risk for hypoglycemia at a lower dose.

When colesevelam is coadministered with glipizide extended-release, maximum plasma concentration and total exposure to glipizide is reduced. Therefore, glipizide extended-release tablets should be administered at least 4 hours prior to colesevelam.

Dosage Forms and Strengths

Glipizide Extended-Release Tablets are available containing 2.5 mg, 5 mg or 10 mg of glipizide, USP.

The 2.5 mg tablets are light blue, film-coated, round, unscored tablets with M over GP2 imprinted in black ink on one side of the tablet and blank on the other side.
The 5 mg tablets are white, film-coated, round, unscored tablets with M over GP5 imprinted in black ink on one side of the tablet and blank on the other side.
The 10 mg tablets are white, film-coated, round, unscored tablets with M over GP10 imprinted in black ink on one side of the tablet and blank on the other side.

Contraindications

Glipizide extended-release tablets are contraindicated in patients with:

Known hypersensitivity to glipizide or any of the product’s ingredients.
Hypersensitivity to sulfonamide derivatives.

Warnings and Precautions

Hypoglycemia

All sulfonylurea drugs, including glipizide extended-release tablets, are capable of producing severe hypoglycemia [see Adverse Reactions (6)]. Concomitant use of glipizide extended-release tablets with other anti-diabetic medication can increase the risk of hypoglycemia. A lower dose of glipizide extended-release tablets may be required to minimize the risk of hypoglycemia when combining it with other anti-diabetic medications.

Educate patients to recognize and manage hypoglycemia. When initiating and increasing glipizide extended-release tablets in patients who may be predisposed to hypoglycemia (e.g., the elderly, patients with renal impairment, patients on other anti-diabetic medications) start at 2.5 mg. Debilitated or malnourished patients, and those with adrenal, pituitary, or hepatic impairment are particularly susceptible to the hypoglycemic action of anti-diabetic medications. Hypoglycemia is also more likely to occur when caloric intake is deficient, after severe or prolonged exercise, or when alcohol is ingested.

The patient's ability to concentrate and react may be impaired as a result of hypoglycemia. Early warning symptoms of hypoglycemia may be different or less pronounced in patients with autonomic neuropathy, the elderly, and in patients who are taking beta-adrenergic blocking medications or other sympatholytic agents. These situations may result in severe hypoglycemia before the patient is aware of the hypoglycemia.

These impairments may present a risk in situations where these abilities are especially important, such as driving or operating other machinery. Severe hypoglycemia can lead to unconsciousness or convulsions and may result in temporary or permanent impairment of brain function or death.

Hemolytic Anemia

Treatment of patients with glucose 6-phosphate dehydrogenase (G6PD) deficiency with sulfonylurea agents, including glipizide extended-release tablets, can lead to hemolytic anemia. Avoid use of glipizide extended-release tablets in patients with G6PD deficiency. In post-marketing reports, hemolytic anemia has also been reported in patients who did not have known G6PD deficiency.

Increased Risk of Cardiovascular Mortality with Sulfonylureas

The administration of oral hypoglycemic drugs has been reported to be associated with increased cardiovascular mortality as compared to treatment with diet alone or diet plus insulin. This warning is based on the study conducted by the University Group Diabetes Program (UGDP), a long-term prospective clinical trial designed to evaluate the effectiveness of glucose-lowering drugs in preventing or delaying vascular complications in patients with type 2 diabetes mellitus. The study involved 823 patients who were randomly assigned to one of four treatment groups.

UGDP reported that patients treated for 5 to 8 years with diet plus a fixed dose of tolbutamide (1.5 grams per day) had a rate of cardiovascular mortality approximately 2½ times that of patients treated with diet alone. A significant increase in total mortality was not observed, but the use of tolbutamide was discontinued based on the increase in cardiovascular mortality, thus limiting the opportunity for the study to show an increase in overall mortality. Despite controversy regarding the interpretation of these results, the findings of the UGDP study provide an adequate basis for this warning. The patient should be informed of the potential risks and advantages of glipizide and of alternative modes of therapy.

Although only one drug in the sulfonylurea class (tolbutamide) was included in this study, it is prudent from a safety standpoint to consider that this warning may also apply to other oral hypoglycemic drugs in this class, in view of their close similarities in mode of action and chemical structure.

Macrovascular Outcomes

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

Gastrointestinal Obstruction

There have been reports of obstructive symptoms in patients with known strictures in association with the ingestion of another drug with this non-dissolvable extended release formulation. Avoid use of glipizide extended-release tablets in patients with preexisting severe gastrointestinal narrowing (pathologic or iatrogenic).

Adverse Reactions

The following serious adverse reactions are discussed in more detail below and elsewhere in the labeling:

Hypoglycemia [see Warnings and Precautions (5.1)]
Hemolytic anemia [see Warnings and Precautions (5.2)]

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

In clinical trials, 580 patients from 31 to 87 years of age received glipizide extended-release tablets in doses from 5 mg to 60 mg in both controlled and open trials. The dosages above 20 mg are not recommended dosages. In these trials, approximately 180 patients were treated with glipizide extended-release tablets for at least 6 months.

Table 1 summarizes the incidence of adverse reactions, other than hypoglycemia, that were reported in pooled double-blind, placebo-controlled trials in ≥ 3% of glipizide extended-release tablets-treated patients and more commonly than in patients who received placebo.

Table 1: Incidence (%) of Adverse Reactions Reported in ≥ 3% of Patients Treated in Placebo-Controlled Clinical Trials and More Commonly in Patients Treated with Glipizide Extended-Release Tablets (Excluding Hypoglycemia)

Glipizide Extended-Release Tablets (%)

Placebo (%)

(N = 278)

(N = 69)

Adverse Effect

Dizziness

6.8

5.8

Diarrhea

5.4

0.0

Nervousness

3.6

2.9

Tremor

3.6

0.0

Flatulence

3.2

1.4

Hypoglycemia

Of the 580 patients that received glipizide extended-release tablets in clinical trials, 3.4% had hypoglycemia documented by a blood-glucose measurement < 60 mg/dL and/or symptoms believed to be associated with hypoglycemia and 2.6% of patients discontinued for this reason. Hypoglycemia was not reported for any placebo patients.

Gastrointestinal Reactions

In clinical trials, the incidence of gastrointestinal (GI) side effects (nausea, vomiting, constipation, dyspepsia), occurred in less than 3% of glipizide extended-release tablets-treated patients and were more common in glipizide extended-release tablets -treated patients than those receiving placebo.

Dermatologic Reactions

In clinical trials, allergic skin reactions, i.e., urticaria occurred in less than 1.5% of treated patients and were more common in glipizide extended-release tablets treated patients than those receiving placebo. These may be transient and may disappear despite continued use of glipizide extended-release tablets; if skin reactions persist, the drug should be discontinued.

Laboratory Tests

Mild to moderate elevations of ALT, LDH, alkaline phosphatase, BUN and creatinine have been noted. The relationship of these abnormalities to glipizide is uncertain.

Postmarketing Experience

The following adverse reactions have been identified during post approval use of glipizide extended-release tablets. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Abdominal pain
Cholestatic and hepatocellular forms of liver injury accompanied by jaundice
Leukopenia, agranulocytosis, thrombocytopenia, hemolytic anemia [see Warnings and Precautions (5.2)], aplastic anemia, pancytopenia
Hepatic porphyria and disulfiram-like reactions
Hyponatremia and the syndrome of inappropriate antidiuretic hormone (SIADH) secretion
Rash
There have been reports of gastrointestinal irritation and gastrointestinal bleeding with use of another drug with this non-dissolvable extended release formulation.

Drug Interactions

Miconazole

Monitor patients closely for hypoglycemia when glipizide extended-release tablets are co-administered with miconazole. A potential interaction between oral miconazole and oral hypoglycemic agents leading to severe hypoglycemia has been reported [see Clinical Pharmacology (12.3)].

Fluconazole

Monitor patients closely for hypoglycemia when glipizide extended-release tablets are co-administered with fluconazole. Concomitant treatment with fluconazole increases plasma concentrations of glipizide, which may lead to hypoglycemia [see Clinical Pharmacology (12.3)].

Colesevelam

Glipizide extended-release tablets should be administered at least 4 hours prior to the administration of colesevelam. Colesevelam can reduce the maximum plasma concentration and total exposure of glipizide when the two are coadministered [see Clinical Pharmacology (12.3)].

USE IN SPECIFIC POPULATIONS

Pregnancy

Pregnancy Category C

Glipizide was found to be mildly fetotoxic in rat reproductive studies at all dose levels (5 to 50 mg/kg). This fetotoxicity has been similarly noted with other sulfonylureas, such as tolbutamide and tolazamide. The effect is perinatal and believed to be directly related to the pharmacologic (hypoglycemic) action of glipizide. There are no adequate and well controlled studies in pregnant women. Glipizide extended-release tablets should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Nonteratogenic Effects

Prolonged severe hypoglycemia (4 to 10 days) has been reported in neonates born to mothers who were receiving a sulfonylurea drug at the time of delivery. This has been reported more frequently with the use of agents with prolonged half-lives. If glipizide is used during pregnancy, it should be discontinued at least one month before the expected delivery date.

Nursing Mothers

It is not known whether glipizide is excreted in human milk. Because the potential for hypoglycemia in nursing infants may exist, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

Pediatric Use

Safety and effectiveness in children have not been established.

Geriatric Use

There were no overall differences in effectiveness or safety between younger and older patients, but greater sensitivity of some individuals cannot be ruled out. Elderly patients are particularly susceptible to the hypoglycemic action of anti-diabetic agents. Hypoglycemia may be difficult to recognize in these patients. Therefore, dosing should be conservative to avoid hypoglycemia [see Dosage and Administration (2.1), Warnings and Precautions (5.1) and Clinical Pharmacology (12.3)].

Hepatic Impairment

There is no information regarding the effects of hepatic impairment on the disposition of glipizide. However, since glipizide is highly protein bound and hepatic biotransformation is the predominant route of elimination, the pharmacokinetics and/or pharmacodynamics of glipizide may be altered in patients with hepatic impairment. If hypoglycemia occurs in such patients, it may be prolonged and appropriate management should be instituted [see Dosage and Administration (2.1), Warnings and Precautions (5.1) and Clinical Pharmacology (12.3)].

Overdosage

Overdosage of sulfonylureas including glipizide can produce severe hypoglycemia. Mild hypoglycemic symptoms without loss of consciousness or neurologic findings should be treated with oral glucose. Severe hypoglycemic reactions with coma, seizure, or other neurological impairment are medical emergencies requiring immediate treatment. The patient should be treated with glucagon or intravenous glucose. Patients should be closely monitored for a minimum of 24 to 48 hours since hypoglycemia may recur after apparent clinical recovery. Clearance of glipizide from plasma may be prolonged in persons with liver disease. Because of the extensive protein binding of glipizide, dialysis is unlikely to be of benefit.

Glipizide Tablets Description

Glipizide extended-release tablets are an oral blood-glucose-lowering drug of the sulfonylurea class.

The Chemical Abstracts name of glipizide is 1-cyclohexyl-3-[[p-[2-(5-methylpyrazinecarboxamido)ethyl]phenyl]sulfonyl]urea. The molecular formula is C21H27N5O4S; the molecular weight is 445.54; the structural formula is shown below:

Glipizide, USP is a white to almost white, odorless powder with a pKa of 5.9. It is insoluble in water and alcohols, but soluble in 0.1 N NaOH; it is freely soluble in dimethylformamide.

Inactive ingredients in the 2.5 mg, 5 mg and 10 mg formulations are: colloidal silicon dioxide, cellulose acetate, hydroxypropyl cellulose, hypromellose, polyethylene glycol, polyethylene oxide, polyvinyl alcohol, red iron oxide, sodium chloride, sodium stearyl fumarate, talc and titanium dioxide.

The 2.5 mg tablet strength also contains FD&C Blue No. 2 Aluminum Lake. The 5 mg and 10 mg tablet strengths also contain yellow iron oxide.

In addition, the black imprinting ink contains black iron oxide, hypromellose and propylene glycol.

System Components and Performance: Glipizide extended-release tablets are similar in appearance to a conventional tablet. It consists, however, of an osmotically active drug core surrounded by a semipermeable membrane. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. The membrane surrounding the tablet is permeable to water but not to drug or osmotic excipients. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, resulting in the release of drug through a small, laser-drilled orifice in the membrane on the drug side of the tablet.

The function of the glipizide extended-release tablets depends upon the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the GI tract. The biologically inert components of the tablet remain intact during GI transit and are eliminated in the feces as an insoluble shell.

Glipizide Tablets - Clinical Pharmacology

Mechanism of Action

Glipizide primarily lowers blood glucose by stimulating the release of insulin from the pancreas, an effect dependent upon functioning beta cells in the pancreatic islets. Sulfonylureas bind to the sulfonylurea receptor in the pancreatic beta-cell plasma membrane, leading to closure of the ATP-sensitive potassium channel, thereby stimulating the release of insulin.

Pharmacodynamics

The insulinotropic response to a meal is enhanced with glipizide extended-release tablets administration in diabetic patients. The postprandial insulin and C-peptide responses continue to be enhanced after at least 6 months of treatment. In two randomized, double-blind, dose-response studies comprising a total of 347 patients, there was no significant increase in fasting insulin in all glipizide extended-release tablets-treated patients combined compared to placebo, although minor elevations were observed at some doses.

In studies of glipizide extended-release tablets in subjects with type 2 diabete mellitus, once daily administration produced reductions in hemoglobin A1c, fasting plasma glucose and postprandial glucose. The relationship between dose and reduction in hemoglobin A1c was not established, however subjects treated with 20 mg had a greater reduction in fasting plasma glucose compared to subjects treated with 5 mg.

Pharmacokinetics

Absorption

The absolute bioavailability of glipizide was 100% after single oral doses in patients with type 2 diabetes mellitus. Beginning 2 to 3 hours after administration of glipizide extended-release tablets, plasma drug concentrations gradually rise reaching maximum concentrations within 6 to 12 hours after dosing. With subsequent once daily dosing of glipizide extended-release tablets, plasma glipizide concentrations are maintained throughout the 24 hour dosing interval with less peak to trough fluctuation than that observed with twice daily dosing of immediate release glipizide.

The mean relative bioavailability of glipizide in 21 males with type 2 diabetes mellitus after administration of 20 mg glipizide extended-release tablets, compared to immediate release Glucotrol (10 mg given twice daily), was 90% at steady-state. Steady-state plasma concentrations were achieved by at least the fifth day of dosing with glipizide extended-release tablets in 21 males with type 2 diabetes mellitus and patients younger than 65 years. No accumulation of drug was observed in patients with type 2 diabetes mellitus during chronic dosing with glipizide extended-release tablets.

Administration of glipizide extended-release tablets with food has no effect on the 2 to 3 hour lag time in drug absorption. In a single dose, food effect study in 21 healthy male subjects, the administration of glipizide extended-release tablets immediately before a high fat breakfast resulted in a 40% increase in the glipizide mean Cmax value, which was significant, but the effect on the AUC was not significant. There was no change in glucose response between the fed and fasting state. Markedly reduced GI retention times of the glipizide extended-release tablets over prolonged periods (e.g., short bowel syndrome) may influence the pharmacokinetic profile of the drug and potentially result in lower plasma concentrations.

In a multiple dose study in 26 males with type 2 diabetes mellitus, the pharmacokinetics of glipizide were linear with glipizide extended-release tablets in that the plasma drug concentrations increased proportionately with dose. In a single dose study in 24 healthy subjects, four 5 mg, two 10 mg, and one 20 mg glipizide extended-release tablets were bioequivalent. In a separate single dose study in 36 healthy subjects, four 2.5 mg glipizide extended-release tablets were bioequivalent to one 10 mg glipizide extended-release tablet.

Distribution

The mean volume of distribution was approximately 10 liters after single intravenous doses in patients with type 2 diabetes mellitus. Glipizide is 98% to 99% bound to serum proteins, primarily to albumin.

Metabolism

The major metabolites of glipizide are products of aromatic hydroxylation and have no hypoglycemic activity. A minor metabolite, an acetylamino-ethyl benzene derivative, which accounts for less than 2% of a dose, is reported to have 1/10 to 1/3 as much hypoglycemic activity as the parent compound.

Elimination

Glipizide is eliminated primarily by hepatic biotransformation: less than 10% of a dose is excreted as unchanged drug in urine and feces; approximately 90% of a dose is excreted as biotransformation products in urine (80%) and feces (10%). The mean total body clearance of glipizide was approximately 3 liters per hour after single intravenous doses in patients with type 2 diabetes mellitus. The mean terminal elimination half-life of glipizide ranged from 2 to 5 hours after single or multiple doses in patients with type 2 diabetes mellitus.

Specific Populations

Pediatric

Studies characterizing the pharmacokinetics of glipizide in pediatric patients have not been performed.

Geriatric

There were no differences in the pharmacokinetics of glipizide after single dose administration to older diabetic subjects compared to younger healthy subjects [see Use in Specific Populations (8.5)].

Renal Impairment

The pharmacokinetics of glipizide has not been evaluated in patients with varying degree of renal impairment. Limited data indicates that glipizide biotransformation products may remain in circulation for a longer time in subjects with renal impairment than that seen in subjects with normal renal function.

Hepatic Impairment

The pharmacokinetics of glipizide has not been evaluated in patients with hepatic impairment.

Drug-drug Interactions

Miconazole

A potential interaction between oral miconazole and oral glipizide leading to severe hypoglycemia has been reported. Whether this interaction also occurs with the intravenous, topical, or vaginal preparations of miconazole is not known [see Drug Interactions (7.1)].

Fluconazole

Concomitant treatment with fluconazole increases plasma concentrations of glipizide. The effect of concomitant administration of Diflucan® (fluconazole) and Glipizide Tablets have been demonstrated in a placebo controlled crossover study in healthy volunteers. All subjects received Glipizide Tablets alone and following treatment with 100 mg of Diflucan® as a single daily oral dose for 7 days. The mean percentage increase in the glipizide AUC after fluconazole administration was 56.9% (range: 35% to 81%) [see Drug Interactions (7.2)].

Colesevelam

Colesevelam can reduce the maximum plasma concentration and total exposure of glipizide when the two are coadministered. In studies assessing the effect of colesevelam on the pharmacokinetics of glipizide extended-release tablets in healthy volunteers, reductions in glipizide AUC0-∞ and Cmax of 12% and 13%, respectively were observed when colesevelam was coadministered with glipizide extended-release tablets. When glipizide extended-release tablets were administered 4 hours prior to colesevelam, there was no significant change in glipizide AUC0-∞ or Cmax, -4% and 0%, respectively [see Drug Interactions (7.3)].

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment of Fertility

A twenty month study in rats and an eighteen month study in mice at doses up to 75 times the maximum human dose revealed no evidence of drug-related carcinogenicity. Bacterial and in vivo mutagenicity tests were uniformly negative. Studies in rats of both sexes at doses up to 75 times the human dose showed no effects on fertility.

REFERENCES

 
1. Diabetes, 19, SUPP. 2: 747–830, 1970

How Supplied/Storage and Handling

Glipizide Extended-Release Tablets are available containing 2.5 mg, 5 mg or 10 mg of glipizide, USP.

The 2.5 mg tablets are light blue, film-coated, round, unscored tablets with M over GP2 imprinted in black ink on one side of the tablet and blank on the other side. They are available as follows:

NDC 0378-0340-93
bottles of 30 tablets

The 5 mg tablets are white, film-coated, round, unscored tablets with M over GP5 imprinted in black ink on one side of the tablet and blank on the other side. They are available as follows:

NDC 0378-0342-01
bottles of 100 tablets

NDC 0378-0342-10
bottles of 1000 tablets

The 10 mg tablets are white, film-coated, round, unscored tablets with M over GP10 imprinted in black ink on one side of the tablet and blank on the other side. They are available as follows:

NDC 0378-0431-01
bottles of 100 tablets

NDC 0378-0431-10
bottles of 1000 tablets

Recommended Storage: Store at 20° to 25°C (68° to 77°F). [See USP Controlled Room Temperature.] Protect from moisture and humidity.

Dispense in a tight, light-resistant container as defined in the USP using a child-resistant closure.

PHARMACIST: Dispense a Patient Information Leaflet with each prescription.

Patient Counseling Information

Advise the patient to read the FDA-approved patient labeling (Patient Information).

Inform patients of the potential adverse reactions of glipizide extended-release tablets including hypoglycemia. Explain the risks of hypoglycemia, its symptoms and treatment, and conditions that predispose to its development to patients and responsible family members. Also inform patients about the importance of adhering to dietary instructions, of a regular exercise program, and of regular testing of glycemic control.

Inform patients that glipizide extended-release tablets should be swallowed whole. Inform patients that they should not chew, divide or crush tablets and they may occasionally notice in their stool something that looks like a tablet. In the glipizide extended-release tablets, the medication is contained within a non-dissolvable shell that has been specially designed to slowly release the drug so the body can absorb it.

Advise patients with diabetes to inform their healthcare provider if they are pregnant, contemplating pregnancy, breastfeeding, or contemplating breastfeeding.

Patient Information Leaflet

 

Glipizide Extended-Release Tablets
(glip' i zide)

What are glipizide extended-release tablets?

Glipizide extended-release tablets are a prescription medicine you take by mouth used along with diet and exercise to lower blood sugar in adults with type 2 diabetes mellitus.
Glipizide extended-release tablets are not for people with type 1 diabetes or people with diabetic ketoacidosis.

It is not known if glipizide extended-release tablets are safe and effective in children under 18 years of age.

Who should not take glipizide extended-release tablets?

Do not use glipizide extended-release tablets if you:

have a condition called diabetic ketoacidosis
have ever had an allergic reaction to glipizide or any of the other ingredients in glipizide extended-release tablets. See the end of this Patient Information for a complete list of ingredients in glipizide extended-release tablets.

What should I tell my doctor before taking glipizide extended-release tablets?

Before you take glipizide extended-release tablets, tell your healthcare provider if you:

Have ever had a condition called diabetic ketoacidosis
Have kidney or liver problems
Have had a blockage or narrowing of your intestines due to illness or past surgery
Have chronic (continuing) diarrhea
Have glucose-6-phosphate dehydrogenase (G6PD) deficiency. This condition usually runs in families. People with G6PD deficiency who take glipizide extended-release tablets may develop hemolytic anemia (fast breakdown of red blood cells).
Are pregnant or might be pregnant. It is not known if glipizide extended-release tablets will harm your unborn baby. If you are pregnant, talk to you healthcare provider about the best way to control your blood sugar while you are pregnant. You should not take glipizide extended-release tablets during the last month of pregnancy.
Are breastfeeding or plan to breastfeed. It is not known if glipizide passes into your breast milk. You and your healthcare provider should decide if you will take glipizide extended-release tablets or breastfeed. You should not do both.

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Glipizide extended-release tablets may affect the way other medicines work, and other medicines may affect how glipizide extended-release tablets work.

Some medicines can affect how well glipizide extended-release tablets work or may affect your blood sugar level. Know the medicines you take. Keep a list of them and show it to your healthcare provider and pharmacist when you get a new medicine.

How should I take glipizide extended-release tablets?

Take glipizide extended-release tablets exactly as your healthcare provider tells you to take it.
Your healthcare provider will tell you how many glipizide extended-release tablets to take and when to take it.
Take glipizide extended-release tablets by mouth, one time each day with breakfast or your first meal of the day.
Each glipizide extended-release tablet will release the medicine slowly over 24 hours. This is why you take it only one time each day.
Swallow the glipizide extended-release tablet whole. Do not break, crush, dissolve, chew, or cut the tablet in half. This will damage the tablet and release too much medicine into your body at one time.
When you take glipizide extended-release tablets you may see something in your stool that looks like a tablet. This is the empty shell from the tablet. It is normal for the empty shell to pass with your bowel movement after medicine has been absorbed by your body.
It is important to take glipizide extended-release tablets every day to help keep your blood sugar level under good control. Your healthcare provider may change your dose depending on your blood sugar test results. If your blood sugar level is not under control, call your healthcare provider. Do not change your dose unless your healthcare provider tells you to.
If you take too many glipizide extended-release tablets, call your healthcare provider or go to the nearest emergency room right away.
 
Your healthcare provider may tell you to take glipizide extended-release tablets with other diabetes medicines. Low blood sugar can happen more often when glipizide extended-release tablets are taken with other diabetes medicines. See “What are the possible side effects of glipizide extended-release tablets?
Check your blood sugar as your healthcare provider tells you to.
Stay on your prescribed diet and exercise program while taking glipizide extended-release tablets.

What should I avoid while taking glipizide extended-release tablets?

Do not drink alcohol while taking glipizide extended-release tablets. It can increase your chances of getting serious side effects.
Do not drive, operate machinery, or do other dangerous activities until you know how glipizide extended- release tablets affect you.

What are the possible side effects of glipizide extended-release tablets?

Glipizide extended-release tablets can cause serious side effects, including:

Low blood sugar. Glipizide extended-release tablets may cause low blood sugar. Signs and symptoms of low blood sugar may include:
a cold clammy feeling
unusual sweating
dizziness
weakness
trembling
shakiness
hunger
fast heartbeat
headache
blurred vision
slurred speech
tingling in the lips or hands

If you have signs or symptoms of low blood sugar, eat or drink something with sugar in it right away. If you do not feel better or your blood sugar level does not go up, call your healthcare provider or go to the nearest emergency room.

The most common side effects of glipizide extended-release tablets include: dizziness, diarrhea, nervousness, tremor, and gas.

These are not all the possible side effects of glipizide extended-release tablets. For more information, ask your healthcare provider or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How to store glipizide extended-release tablets?

Store glipizide extended-release tablets at 20° to 25°C (68° to 77°F). Protect from moisture and humidity.
Store glipizide extended-release tablets in a dry place, in its original container.

Keep glipizide extended-release tablets and all medicines out of reach of children.

General information about the safe and effective use of glipizide extended-release tablets.

Medicines are sometimes prescribed for purposes other than those listed in a patient information leaflet. Do not use glipizide extended-release tablets for a condition for which it was not prescribed. Do not give glipizide extended-release tablets to other people, even if they have the same symptoms you have. It may harm them. This Patient Information summarizes the most important information about glipizide extended-release tablets. If you would like more information, talk with your healthcare provider. You can ask your pharmacist or healthcare provider for information about glipizide extended-release tablets that is written for healthcare professionals.

What are the ingredients in glipizide extended-release tablets?

Active ingredient: glipizide

Inactive ingredients in the 2.5 mg, 5 mg and 10 mg formulations are: colloidal silicon dioxide, cellulose acetate, hydroxypropyl cellulose, hypromellose, polyethylene glycol, polyethylene oxide, polyvinyl alcohol, red iron oxide, sodium chloride, sodium stearyl fumarate, talc and titanium dioxide.

The 2.5 mg tablet strength also contains FD&C Blue No. 2 Aluminum Lake. The 5 mg and 10 mg tablet strengths also contain yellow iron oxide.

In addition, the black imprinting ink contains black iron oxide, hypromellose and propylene glycol.

This Patient Information has been approved by the U.S. Food and Drug Administration.

Mylan Pharmaceuticals Inc.
Morgantown, WV 26505 U.S.A.

Revised: 4/2016
GLIPER:R4ppt

PRINCIPAL DISPLAY PANEL – 2.5 mg

NDC 0378-0340-93

glipiZIDE
Extended-Release
Tablets
2.5 mg

PHARMACIST: Dispense the accompanying
Patient Information Leaflet to each patient.

Rx only     30 Tablets

Each film-coated tablet contains:
Glipizide, USP     2.5 mg

Dispense in a tight, light-resistant
container as defined in the USP
using a child-resistant closure.

Keep container tightly closed.

Keep this and all medication
out of the reach of children.

Store at 20° to 25°C (68° to 77°F).
[See USP Controlled Room
Temperature.]

Protect from moisture and
humidity.

Usual Dosage: See accompanying
prescribing information.

Mylan Pharmaceuticals Inc.
Morgantown, WV 26505 U.S.A.

Mylan.com

RM0340H1

PRINCIPAL DISPLAY PANEL – 5 mg

NDC 0378-0342-01

glipiZIDE
Extended-Release

Tablets
5 mg

PHARMACIST: Dispense the accompanying
Patient Information Leaflet to each patient.

Rx only     100 Tablets

Each film-coated tablet contains:
Glipizide, USP     5 mg

Dispense in a tight, light-resistant
container as defined in the USP
using a child-resistant closure.

Keep container tightly closed.

Keep this and all medication
out of the reach of children.

Store at 20° to 25°C (68° to 77°F).
[See USP Controlled Room
Temperature.]

Protect from moisture and
humidity.

Usual Dosage: See accompanying
prescribing information.

Mylan Pharmaceuticals Inc.
Morgantown, WV 26505 U.S.A.

Mylan.com

RM0342A1

PRINCIPAL DISPLAY PANEL – 10 mg

NDC 0378-0431-01

glipiZIDE
Extended-Release

Tablets
10 mg

PHARMACIST: Dispense the accompanying
Patient Information Leaflet to each patient.

Rx only     100 Tablets

Each film-coated tablet contains:
Glipizide, USP     10 mg

Dispense in a tight, light-resistant
container as defined in the USP
using a child-resistant closure.

Keep container tightly closed.

Keep this and all medication
out of the reach of children.

Store at 20° to 25°C (68° to 77°F).
[See USP Controlled Room
Temperature.]

Protect from moisture and
humidity.

Usual Dosage: See accompanying
prescribing information.

Mylan Pharmaceuticals Inc.
Morgantown, WV 26505 U.S.A.

Mylan.com

RM0431A1

GLIPIZIDE 
glipizide tablet, film coated, extended release
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0378-0340
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
GLIPIZIDE (GLIPIZIDE) GLIPIZIDE 2.5 mg
Inactive Ingredients
Ingredient Name Strength
CELLULOSE ACETATE  
SILICON DIOXIDE  
FERRIC OXIDE RED  
HYDROXYPROPYL CELLULOSE (TYPE H)  
HYPROMELLOSES  
POLYETHYLENE GLYCOLS  
POLYVINYL ALCOHOL  
PROPYLENE GLYCOL  
SODIUM CHLORIDE  
SODIUM STEARYL FUMARATE  
TALC  
TITANIUM DIOXIDE  
FERROSOFERRIC OXIDE  
FD&C BLUE NO. 2  
Product Characteristics
Color BLUE (light blue) Score no score
Shape ROUND Size 8mm
Flavor Imprint Code M;GP2
Contains         
Packaging
# Item Code Package Description
1 NDC:0378-0340-93 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA202298 10/28/2015
GLIPIZIDE 
glipizide tablet, film coated, extended release
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0378-0342
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
GLIPIZIDE (GLIPIZIDE) GLIPIZIDE 5 mg
Inactive Ingredients
Ingredient Name Strength
CELLULOSE ACETATE  
SILICON DIOXIDE  
FERRIC OXIDE RED  
FERRIC OXIDE YELLOW  
HYDROXYPROPYL CELLULOSE (TYPE H)  
HYPROMELLOSES  
POLYETHYLENE GLYCOLS  
POLYVINYL ALCOHOL  
PROPYLENE GLYCOL  
SODIUM CHLORIDE  
SODIUM STEARYL FUMARATE  
TALC  
TITANIUM DIOXIDE  
FERROSOFERRIC OXIDE  
Product Characteristics
Color WHITE Score no score
Shape ROUND Size 8mm
Flavor Imprint Code M;GP5
Contains         
Packaging
# Item Code Package Description
1 NDC:0378-0342-01 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC
2 NDC:0378-0342-10 1000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA202298 10/28/2015
GLIPIZIDE 
glipizide tablet, film coated, extended release
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0378-0431
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
GLIPIZIDE (GLIPIZIDE) GLIPIZIDE 10 mg
Inactive Ingredients
Ingredient Name Strength
CELLULOSE ACETATE  
SILICON DIOXIDE  
FERRIC OXIDE RED  
FERRIC OXIDE YELLOW  
HYDROXYPROPYL CELLULOSE (TYPE H)  
HYPROMELLOSES  
POLYETHYLENE GLYCOLS  
POLYVINYL ALCOHOL  
PROPYLENE GLYCOL  
SODIUM CHLORIDE  
SODIUM STEARYL FUMARATE  
TALC  
TITANIUM DIOXIDE  
FERROSOFERRIC OXIDE  
Product Characteristics
Color WHITE Score no score
Shape ROUND Size 10mm
Flavor Imprint Code M;GP10
Contains         
Packaging
# Item Code Package Description
1 NDC:0378-0431-01 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC
2 NDC:0378-0431-10 1000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA202298 10/28/2015
Labeler - Mylan Pharmaceuticals Inc. (059295980)
Revised: 04/2016
 
Mylan Pharmaceuticals Inc.
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