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NDC 42806-0405-60 metformin hydrochloride 500 mg/1 Details
metformin hydrochloride 500 mg/1
metformin hydrochloride is a ORAL TABLET, FILM COATED, EXTENDED RELEASE in the HUMAN PRESCRIPTION DRUG category. It is labeled and distributed by EPIC PHARMA, LLC. The primary component is METFORMIN HYDROCHLORIDE.
MedlinePlus Drug Summary
Metformin is used alone or with other medications, including insulin, to treat type 2 diabetes (condition in which the body does not use insulin normally and, therefore, cannot control the amount of sugar in the blood). Metformin is in a class of drugs called biguanides. Metformin helps to control the amount of glucose (sugar) in your blood. It decreases the amount of glucose you absorb from your food and the amount of glucose made by your liver. Metformin also increases your body's response to insulin, a natural substance that controls the amount of glucose in the blood. Metformin is not used to treat type 1 diabetes (condition in which the body does not produce insulin and therefore cannot control the amount of sugar in the blood). Over time, people who have diabetes and high blood sugar can develop serious or life-threatening complications, including heart disease, stroke, kidney problems, nerve damage, and eye problems. Taking medication(s), making lifestyle changes (e.g., diet, exercise, quitting smoking), and regularly checking your blood sugar may help to manage your diabetes and improve your health. This therapy may also decrease your chances of having a heart attack, stroke, or other diabetes-related complications such as kidney failure, nerve damage (numb, cold legs or feet; decreased sexual ability in men and women), eye problems, including changes or loss of vision, or gum disease. Your doctor and other healthcare providers will talk to you about the best way to manage your diabetes.
Related Packages: 42806-0405-60Last Updated: 11/30/2022
MedLinePlus Full Drug Details: Metformin
Product Information
| NDC | 42806-0405 |
|---|---|
| Product ID | 42806-405_6f67d010-6cd8-461f-a71d-2dc689d54676 |
| Associated GPIs | 27250050007560 |
| GCN Sequence Number | 054019 |
| GCN Sequence Number Description | metformin HCl TAB ER 24 500 MG ORAL |
| HIC3 | C4L |
| HIC3 Description | ANTIHYPERGLYCEMIC, BIGUANIDE TYPE |
| GCN | 21832 |
| HICL Sequence Number | 004763 |
| HICL Sequence Number Description | METFORMIN HCL |
| Brand/Generic | Generic |
| Proprietary Name | metformin hydrochloride |
| Proprietary Name Suffix | n/a |
| Non-Proprietary Name | metformin hydrochloride tablets |
| Product Type | HUMAN PRESCRIPTION DRUG |
| Dosage Form | TABLET, FILM COATED, EXTENDED RELEASE |
| Route | ORAL |
| Active Ingredient Strength | 500 |
| Active Ingredient Units | mg/1 |
| Substance Name | METFORMIN HYDROCHLORIDE |
| Labeler Name | EPIC PHARMA, LLC |
| Pharmaceutical Class | Biguanide [EPC], Biguanides [CS] |
| DEA Schedule | n/a |
| Marketing Category | ANDA |
| Application Number | ANDA209993 |
| Listing Certified Through | 2024-12-31 |
Package
Package Images
NDC 42806-0405-60 (42806040560)
| NDC Package Code | 42806-405-60 |
|---|---|
| Billing NDC | 42806040560 |
| Package | 60 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42806-405-60) |
| Marketing Start Date | 2019-01-04 |
| NDC Exclude Flag | N |
| Pricing Information | |
| Price Per Unit | 0.24596 |
| Pricing Unit | EA |
| Effective Date | 2024-01-17 |
| NDC Description | METFORMIN ER 500 MG OSMOTIC TB |
| Pharmacy Type Indicator | C/I |
| OTC | N |
| Explanation Code | 4 |
| Classification for Rate Setting | G |
| As of Date | 2024-02-21 |
Standard Product Labeling (SPL)/Prescribing Information SPL 356b02d0-d239-4441-bb33-c4c54166fcd7 Details
HIGHLIGHTS OF PRESCRIBING INFORMATION
Initial U.S. Approval: 1995
WARNING: LACTIC ACIDOSIS
See full prescribing information for complete boxed warning.
INDICATIONS AND USAGE
Metformin hydrochloride extended-release tablets are biguanide indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. (1)
DOSAGE AND ADMINISTRATION
- •
- Swallow metformin hydrochloride extended-release tablets whole and never crush, cut or chew (2.1)
- •
- Starting dose: 500 mg orally once daily with the evening meal (2.1)
- •
- Increase the dose in increments of 500 mg weekly, up to a maximum of 2,000 mg once daily with the evening meal (2.1)
- •
- Patients receiving metformin hydrochloride (HCl) tablets may be switched to metformin hydrochloride extended-release
Renal Impairment:
- •
- Prior to initiation, assess renal function with estimated glomerular filtration rate (eGFR) (2.2)
- o
- Do not use in patients with eGFR below 30 mL/minute/1.73 m2 (2.2)
- o
- Initiation is not recommended in patients with eGFR between 30 to 45 mL/minute/1.73 m2 (2.2)
- o
- Assess risk/benefit of continuing if eGFR falls below 45 mL/minute/1.73 m2 (2.2)
- o
- Discontinue if eGFR falls below 30 mL/minute/1.73 m2 (2.2)
Discontinuation for Iodinated Contrast Imaging Procedures:
- •
- Metformin hydrochloride extended-release tablets may need to be discontinued at time of, or prior to, iodinated contrast imaging procedures (2.3)
DOSAGE FORMS AND STRENGTHS
Extended-Release Tablets: 500 mg and 1,000 mg (3)
CONTRAINDICATIONS
WARNINGS AND PRECAUTIONS
- •
- Lactic Acidosis: See boxed warning. (5.1)
- •
- Vitamin B12 Deficiency: Metformin may lower vitamin B12 levels. Measure hematological parameters annually and vitamin B12 at 2 to 3 year intervals and manage any abnormalities. (5.2)
- •
- Hypoglycemia with Concomitant Use with Insulin and Insulin Secretagogues: Increased risk of hypoglycemia when used in combination with insulin and/or an insulin secretagogue. Lower dose of insulin or insulin secretagogue may be required. (5.3)
ADVERSE REACTIONS
Common adverse reactions are diarrhea, nausea/vomiting, abdominal pain, constipation, abdomen distention, dyspepsia/heartburn, flatulence, dizziness, headache, upper respiratory infection, taste disturbance. (6.1)
To report SUSPECTED ADVERSE REACTIONS, contact Epic Pharma, LLC at 1-888-374-2791 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
DRUG INTERACTIONS
- •
- Carbonic anhydrase inhibitors may increase risk of lactic acidosis. Consider more frequent monitoring (7)
- •
- Drugs that reduce metformin clearance (such as ranolazine, vandetanib, dolutegravir, and cimetidine) may increase the accumulation of metformin. Consider the benefits and risks of concomitant use (7)
- •
- Alcohol can potentiate the effect of metformin on lactate metabolism. Warn patients against excessive alcohol intake (7)
USE IN SPECIFIC POPULATIONS
See 17 for PATIENT COUNSELING INFORMATION.
Revised: 3/2019
Table Of Contents
FULL PRESCRIBING INFORMATION: CONTENTS*
WARNING: LACTIC ACIDOSIS
1 INDICATIONS AND USAGE
2 DOSAGE AND ADMINISTRATION
2.1 Adult Dosage and Administration
2.2 Recommendations for Use in Renal Impairment
2.3 Discontinuation for Iodinated Contrast Imaging Procedures
3 DOSAGE FORMS AND STRENGTHS
4 CONTRAINDICATIONS
5 WARNINGS AND PRECAUTIONS
5.1 Lactic Acidosis
5.2 Vitamin B12 Deficiency
5.3 Hypoglycemia with Concomitant Use with Insulin and Insulin Secretagogues
5.4 Macrovascular Outcomes
6 ADVERSE REACTIONS
6.1 Clinical Studies Experience
6.2 Postmarketing Experience
7 DRUG INTERACTIONS
8 USE IN SPECIFIC POPULATIONS
8.1 Pregnancy
8.2 Lactation
8.3 Females and Males of Reproductive Potential
8.4 Pediatric Use
8.5 Geriatric Use
8.6 Renal Impairment
8.7 Hepatic Impairment
10 OVERDOSAGE
11 DESCRIPTION
12 CLINICAL PHARMACOLOGY
12.1 Mechanism of Action
12.3 Pharmacokinetics
13 NONCLINICAL TOXICOLOGY
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility
14 CLINICAL STUDIES
16 HOW SUPPLIED/STORAGE AND HANDLING
16.1 How Supplied
16.2 Storage
17 PATIENT COUNSELING INFORMATION
- *
- Sections or subsections omitted from the full prescribing information are not listed.
WARNING
Post-marketing cases of metformin-associated lactic acidosis have resulted in death, hypothermia, hypotension, and resistant bradyarrhythmias. The onset of metformin-associated lactic acidosis is often subtle, accompanied only by nonspecific symptoms such as malaise, myalgias, respiratory distress, somnolence, and abdominal pain. Metformin-associated lactic acidosis was characterized by elevated blood lactate levels (> 5 mmol/Liter), anion gap acidosis (without evidence of ketonuria or ketonemia), an increased lactate/pyruvate ratio; and metformin plasma levels generally >5 mcg/mL [see Warnings and Precautions (5.1)].
Risk factors for metformin-associated lactic acidosis include renal impairment, concomitant use of certain drugs (e.g., carbonic anhydrase inhibitors such as topiramate), age 65 years old or greater, having a radiological study with contrast, surgery and other procedures, hypoxic states (e.g., acute congestive heart failure), excessive alcohol intake, and hepatic impairment.
Steps to reduce the risk of and manage metformin-associated lactic acidosis in these high risk groups are provided [see Dosage and Administration (2.2), Contraindications (4), Warnings and Precautions (5.1)].
If metformin-associated lactic acidosis is suspected, immediately discontinue metformin hydrochloride extended-release tablets and institute general supportive measures in a hospital setting. Prompt hemodialysis is recommended [see Warnings and Precautions (5.1)].
1 INDICATIONS AND USAGE
2 DOSAGE AND ADMINISTRATION
2.1 Adult Dosage and Administration
- •
- Swallow metformin hydrochloride extended-release tablets whole and never crush, cut or chew.
- •
- The recommended starting dose of metformin hydrochloride extended-release tablets is 500 mg orally once daily with the evening meal.
- •
- Increase the dose in increments of 500 mg weekly on the basis of glycemic control and tolerability, up to a maximum of 2,000 mg once daily with the evening meal.
- •
- If glycemic control is not achieved with metformin hydrochloride extended-release tablets 2,000 mg once daily, consider a trial of metformin hydrochloride extended-release tablets 1,000 mg twice daily.
- •
- Patients receiving metformin hydrochloride (HCl) may be switched to metformin hydrochloride extended-release tablets once daily at the same total daily dose, up to 2,000 mg once daily.
2.2 Recommendations for Use in Renal Impairment
- •
- Assess renal function prior to initiation of metformin hydrochloride extended-release tablets and periodically thereafter.
- •
- Metformin hydrochloride extended-release tablets are contraindicated in patients with an estimated glomerular filtration rate (eGFR) below 30 mL/minute/1.73 m2.
- •
- Initiation of metformin hydrochloride extended-release tablets in patients with an eGFR between 30 to 45 mL/minute/1.73 m2 is not recommended.
- •
- In patients taking metformin hydrochloride extended-release tablets whose eGFR later falls below 45 mL/min/1.73 m2, assess the benefit risk of continuing therapy.
- •
- Discontinue metformin hydrochloride extended-release tablets if the patient’s eGFR later falls below 30 mL/minute/1.73 m2[see Contraindications (4) and Warnings and Precautions (5.1)].
2.3 Discontinuation for Iodinated Contrast Imaging Procedures
Discontinue metformin hydrochloride extended-release tablets at the time of, or prior to, an iodinated contrast imaging procedure in patients with an eGFR between 30 and 60 mL/min/1.73 m2; in patients with a history of liver disease, alcoholism, or heart failure; or in patients who will be administered intra-arterial iodinated contrast. Re-evaluate eGFR 48 hours after the imaging procedure; restart metformin hydrochloride extended-release tablets if renal function is stable.
3 DOSAGE FORMS AND STRENGTHS
4 CONTRAINDICATIONS
Metformin hydrochloride extended-release tablets are contraindicated in patients with:
- •
- Severe renal impairment (eGFR below 30 mL/min/1.73 m2) [see Warnings and Precautions (5.1)].
- •
- Hypersensitivity to metformin.
- •
- Acute or chronic metabolic acidosis, including diabetic ketoacidosis, with or without coma.
5 WARNINGS AND PRECAUTIONS
5.1 Lactic Acidosis
There have been postmarketing cases of metformin-associated lactic acidosis, including fatal cases. These cases had a subtle onset and were accompanied by nonspecific symptoms such as malaise, myalgias, abdominal pain, respiratory distress, or increased somnolence; however, hypotension and resistant bradyarrhythmias have occurred with severe acidosis. Metforminassociated lactic acidosis was characterized by elevated blood lactate concentrations (> 5 mmol/L), anion gap acidosis (without evidence of ketonuria or ketonemia), and an increased lactate: pyruvate ratio; metformin plasma levels were generally > 5 mcg/mL. Metformin decreases liver uptake of lactate increasing lactate blood levels which may increase the risk of lactic acidosis, especially in patients at risk.
If metformin-associated lactic acidosis is suspected, general supportive measures should be instituted promptly in a hospital setting, along with immediate discontinuation of metformin hydrochloride extended-release tablets. In metformin hydrochloride extended-release tablets treated patients with a diagnosis or strong suspicion of lactic acidosis, prompt hemodialysis is recommended to correct the acidosis and remove accumulated metformin (metformin HCl is dialyzable with a clearance of up to 170 mL/min under good hemodynamic conditions). Hemodialysis has often resulted in reversal of symptoms and recovery.
Educate patients and their families about the symptoms of lactic acidosis and, if these symptoms occur, instruct them to discontinue metformin hydrochloride extended-release tablets and report these symptoms to their healthcare provider.
For each of the known and possible risk factors for metformin-associated lactic acidosis, recommendations to reduce the risk of and manage metformin-associated lactic acidosis are provided below:
- •
-
Renal impairment – The postmarketing metformin-associated lactic acidosis cases primarily occurred in patients with significant renal impairment.
- The risk of metformin accumulation and metformin-associated lactic acidosis increases with the severity of renal impairment because metformin is substantially excreted by the kidney. Clinical recommendations based upon the patient’s renal function include [see Dosage and Administration (2.2), Clinical Pharmacology (12.3)]:
- o
- Before initiating metformin hydrochloride extended-release tablets, obtain an estimated glomerular filtration rate (eGFR).
- o
- Metformin hydrochloride extended-release tablets are contraindicated in patients with an eGFR less than 30 mL/min/1.73 m2 [see Contraindications (4)].
- o
- Initiation of metformin hydrochloride extended-release tablets is not recommended in patients with eGFR between 30 to 45 mL/min/1.73 m2.
- o
- Obtain an eGFR at least annually in all patients taking metformin hydrochloride extended-release tablets. In patients at risk for the development of renal impairment (e.g., the elderly), renal function should be assessed more frequently.
- o
- In patients taking metformin hydrochloride extended-release tablets whose eGFR falls below 45 mL/min/1.73 m2, assess the benefit and risk of continuing therapy.
- •
- Drug interactions – The concomitant use of metformin hydrochloride extended-release tablets with specific drugs may increase the risk of metformin-associated lactic acidosis: those that impair renal function, result in significant hemodynamic change, interfere with acid-base balance, or increase metformin accumulation [see Drug Interactions (7)]. Consider more frequent monitoring of patients.
- •
- Age 65 or greater – The risk of metformin-associated lactic acidosis increases with the patient’s age because elderly patients have a greater likelihood of having hepatic, renal, or cardiac impairment than younger patients. Assess renal function more frequently in elderly patients.
- •
- Radiologic studies with contrast – Administration of intravascular iodinated contrast agents in metformin-treated patients has led to an acute decrease in renal function and the occurrence of lactic acidosis. Stop metformin hydrochloride extended-release tablets at the time of, or prior to, an iodinated contrast imaging procedure in patients with an eGFR between 30 and 60 mL/min/1.73 m2; in patients with a history of hepatic impairment, alcoholism or heart failure; or in patients who will be administered intra-arterial iodinated contrast. Re-evaluate eGFR 48 hours after the imaging procedure, and restart metformin hydrochloride extended-release tablets if renal function is stable.
- •
- Surgery and other procedures – Withholding of food and fluids during surgical or other procedures may increase the risk for volume depletion, hypotension, and renal impairment. Metformin hydrochloride extended-release tablets should be temporarily discontinued while patients have restricted food and fluid intake.
- •
- Hypoxic states – Several of the postmarketing cases of metformin-associated lactic acidosis occurred in the setting of acute congestive heart failure (particularly when accompanied by hypoperfusion and hypoxemia). Cardiovascular collapse (shock), acute myocardial infarction, sepsis, and other conditions associated with hypoxemia have been associated with lactic acidosis and may cause prerenal azotemia. When such an event occurs, discontinue metformin hydrochloride extended-release tablets.
- •
- Excessive alcohol intake – Alcohol potentiates the effect of metformin on lactate metabolism. Patients should be warned against excessive alcohol intake while receiving metformin hydrochloride extended-release tablets.
- •
- Hepatic impairment – Patients with hepatic impairment have developed cases of metformin-associated lactic acidosis. This may be due to impaired lactate clearance resulting in higher lactate blood levels. Therefore, avoid use of metformin hydrochloride extended-release tablets in patients with clinical or laboratory evidence of hepatic disease.
5.2 Vitamin B12 Deficiency
In clinical trials of 29-week duration with metformin HCl tablets, a decrease to subnormal levels of previously normal serum vitamin B12 levels was observed in approximately 7% of patients. Such decrease, possibly due to interference with B12 absorption from the B12-intrinsic factor complex, may be associated with anemia but appears to be rapidly reversible with discontinuation of metformin or vitamin B12 supplementation. Certain individuals (those with inadequate vitamin B12 or calcium intake or absorption) appear to be predisposed to developing subnormal vitamin B12 levels. Measure hematologic parameters on an annual basis and vitamin B12 at 2 to 3 year intervals in patients on metformin hydrochloride extended-release tablets and manage any abnormalities [see Adverse Reactions (6.1)].
5.3 Hypoglycemia with Concomitant Use with Insulin and Insulin Secretagogues
Insulin and insulin secretagogues (e.g., sulfonylurea) are known to cause hypoglycemia. Metformin hydrochloride extended-release tablets may increase the risk of hypoglycemia when combined with insulin and/or an insulin secretagogue. Therefore, a lower dose of insulin or insulin secretagogue may be required to minimize the risk of hypoglycemia when used in combination with metformin hydrochloride extended-release tablets [see Drug Interactions (7)].
6 ADVERSE REACTIONS
The following adverse reactions are also discussed elsewhere in the labeling:
- •
- Lactic Acidosis [see Boxed Warning and Warnings and Precautions (5.1)]
- •
- Vitamin B12 Deficiency [see Warnings and Precautions (5.2)]
- •
- Hypoglycemia [see Warnings and Precautions (5.3)]
6.1 Clinical Studies 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 placebo-controlled trials, 781 patients were administered metformin HCl extended-release tablets. Adverse reactions reported in greater than 5% of the patients treated with metformin HCl extended-release tablets and that were more common than in placebo-treated patients are listed in Table 1.
Table 1: Adverse Reactions from Clinical Trials of Metformin HCl Extended-Release Tablets Occurring >5% and More Common than Placebo in Patients with Type 2 Diabetes Mellitus
|
Adverse Reaction |
Metformin HCl Extended-Release Tablets (n=781) |
Placebo (n=195) |
|
Diarrhea |
10% |
3% |
|
Nausea/Vomiting |
7% |
2% |
Diarrhea led to the discontinuation of metformin HCl extended-release tablets in 0.6% of patients. Additionally, the following adverse reactions were reported in 1.0% to 5.0% of patients treated with metformin HCl extended-release tablets and were more commonly reported than in placebo-treated patients: abdominal pain, constipation, abdomen distention, dyspepsia/ heartburn, flatulence, dizziness, headache, upper respiratory infection, taste disturbance.
6.2 Postmarketing Experience
The following adverse reactions have been identified during post approval use of metformin. 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.
Cholestatic, hepatocellular, and mixed hepatocellular liver injury have been reported with postmarketing use of metformin.
7 DRUG INTERACTIONS
Table 2 presents clinically significant drug interactions with metformin hydrochloride extended-release tablets.
Table 2: Clinically Significant Drug Interactions with Metformin Hydrochloride Extended-Release Tablets
|
Carbonic Anhydrase Inhibitors |
|
|
|
| |
|
| |
|
| |
|
Drugs that Reduce Metformin Hydrochloride Extended-Release Tablets Clearance |
|
|
|
| |
|
| |
|
| |
|
Alcohol |
|
|
|
| |
|
| |
|
Insulin Secretagogues or Insulin |
|
|
|
| |
|
| |
|
Drugs Affecting Glycemic Control |
|
|
|
| |
|
| |
|
| |
8 USE IN SPECIFIC POPULATIONS
8.1 Pregnancy
Risk Summary
Limited data with metformin hydrochloride extended-release tablets in pregnant women are not sufficient to determine a drug-associated risk for major birth defects or miscarriage. Published studies with metformin use during pregnancy have not reported a clear association with metformin and major birth defect or miscarriage risk [see Data]. There are risks to the mother and fetus associated with poorly controlled diabetes mellitus in pregnancy [see Clinical Considerations].
No adverse developmental effects were observed when metformin was administered to pregnant Sprague Dawley rats and rabbits during the period of organogenesis at doses up to 2- and 5-times, respectively, a 2550 mg clinical dose, based on body surface area [see Data].
The estimated background risk of major birth defects is 6 to 10% in women with pre-gestational diabetes mellitus with an HbA1c >7 and has been reported to be as high as 20 to 25% in women with a HbA1c >10. The estimated background risk of miscarriage for the indicated population is unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
Clinical Considerations
Disease-associated maternal and/or embryo/fetal risk
Poorly-controlled diabetes mellitus in pregnancy increases the maternal risk for diabetic ketoacidosis, pre-eclampsia, spontaneous abortions, preterm delivery, stillbirth and delivery complications. Poorly controlled diabetes mellitus increases the fetal risk for major birth defects, stillbirth, and macrosomia related morbidity.
Data
Human Data
Published data from post-marketing studies have not reported a clear association with metformin and major birth defects, miscarriage, or adverse maternal or fetal outcomes when metformin was used during pregnancy. However, these studies cannot definitely establish the absence of any metformin-associated risk because of methodological limitations, including small sample size and inconsistent comparator groups.
Animal Data
Metformin HCl did not adversely affect development outcomes when administered to pregnant rats and rabbits at doses up to 600 mg/kg/day. This represents an exposure of about 2 and 5 times a 2550 mg clinical dose based on body surface area comparisons for rats and rabbits, respectively. Determination of fetal concentrations demonstrated a partial placental barrier to metformin.
8.2 Lactation
Risk Summary
Limited published studies report that metformin is present in human milk [see Data]. However, there is insufficient information to determine the effects of metformin on the breastfed infant and no available information on the effects of metformin on milk production. Therefore, the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for metformin hydrochloride extended-release tablets and any potential adverse effects on the breastfed child from metformin hydrochloride extended-release tablets or from the underlying maternal condition.
Data
Published clinical lactation studies report that metformin is present in human milk which resulted in infant doses approximately 0.11% to 1% of the maternal weight-adjusted dosage and a milk/ plasma ratio ranging between 0.13 and 1. However, the studies were not designed to definitely establish the risk of use of metformin during lactation because of small sample size and limited adverse event data collected in infants.
8.3 Females and Males of Reproductive Potential
Discuss the potential for unintended pregnancy with premenopausal women as therapy with metformin hydrochloride extended-release tablets may result in ovulation in some anovulatory women.
8.4 Pediatric Use
Safety and effectiveness of metformin hydrochloride extended-release tablets in pediatric patients have not been established.
8.5 Geriatric Use
Controlled clinical studies of metformin hydrochloride extended-release tablets did not include sufficient numbers of elderly patients to determine whether they respond differently from younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy and the higher risk of lactic acidosis. Assess renal function more frequently in elderly patients [see Warnings and Precautions (5.1)].
8.6 Renal Impairment
Metformin is substantially excreted by the kidney, and the risk of metformin accumulation and lactic acidosis increases with the degree of renal impairment. Metformin hydrochloride extended-release tablets are contraindicated in severe renal impairment, patients with an estimated glomerular filtration rate (eGFR) below 30 mL/min/1.73 m2[see Dosage and Administration (2.2), Contraindications (4), Warnings and Precautions (5.1), and Clinical Pharmacology (12.3)].
8.7 Hepatic Impairment
Use of metformin in patients with hepatic impairment has been associated with some cases of lactic acidosis.
Metformin hydrochloride extended-release tablets are not recommended in patients with hepatic impairment [see Warnings and Precautions (5.1)].
10 OVERDOSAGE
Overdose of metformin HCl has occurred, including ingestion of amounts greater than 50 grams. Hypoglycemia was reported in approximately 10% of cases, but no causal association with metformin has been established. Lactic acidosis has been reported in approximately 32% of metformin overdose cases [see Warnings and Precautions (5.1)]. Metformin is dialyzable with a clearance of up to 170 mL/min under good hemodynamic conditions. Therefore, hemodialysis may be useful for removal of accumulated drug from patients in whom metformin overdosage is suspected.
11 DESCRIPTION
Metformin hydrochloride extended-release tablets contain the biguanidine antihyperglycemic agent, metformin, in the form of monohydrochloride salt. The chemical name of metformin HCl is N, N-dimethylimidodicarbonimidic diamide hydrochloride with a molecular formula of C4H11N5•HCl and a molecular weight of 165.63. Its structural formula is:
Metformin HCl is a white or almost white crystals powder that is freely soluble in water and is practically insoluble in acetone, ether, and chloroform. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin HCl is 6.68.
Metformin hydrochloride extended-release tablets deliver 500 mg or 1,000 mg of metformin HCl, which is equivalent to 389.93 mg or 779.86 mg metformin, respectively. In addition to the active ingredient metformin HCl, each tablet contains the following inactive ingredients: Povidone, Sodium Lauryl Sulfate, Magnesium Stearate, Cellulose Acetate, Polyethylene Glycol (PEG 400, PEG 8000), Triacetin, Hypromellose, Titanium Dioxide, Polysorbate 80, Ferrosoferric Oxide, Shellac.
Metformin Meets USP Dissolution Test 5.
12 CLINICAL PHARMACOLOGY
12.1 Mechanism of Action
Metformin is an antihyperglycemic agent which improves glucose tolerance in patients with type 2 diabetes mellitus, lowering both basal and postprandial plasma glucose. Metformin decreases hepatic glucose production, decreases intestinal absorption of glucose, and improves insulin sensitivity by increasing peripheral glucose uptake and utilization. With metformin therapy, insulin secretion remains unchanged while fasting insulin levels and day-long plasma insulin response may decrease.
12.3 Pharmacokinetics
Absorption
In a multiple-dose crossover study, 23 patients with type 2 diabetes mellitus were administered either metformin hydrochloride extended-release tablets 2,000 mg once a day (after dinner) or metformin HCl tablets 1,000 mg twice a day (after breakfast and after dinner). After 4 weeks of treatment, steady-state pharmacokinetic parameters, area under the concentration-time curve (AUC), time to peak plasma concentration (Tmax), and maximum concentration (Cmax) were evaluated. The appearance of metformin in plasma from metformin hydrochloride extended-release tablets is slower and more prolonged compared to metformin HCl tablets. Results are presented in Table 3.
|
Table 3 Metformin Hydrochloride Extended-Release Tablets vs. Metformin HCl Tablets Steady-State Pharmacokinetic Parameters at 4 Weeks |
||
|
Pharmacokinetic Parameters (mean ± SD) |
Metformin Hydrochloride Extended- Release Tablets 2,000 mg (administered q.d. after dinner) |
Metformin HCl tablets* 2,000 mg (1,000 mg b.i.d.) |
|
AUC0-24hr (ng•hr/mL) |
26,811 ± 7055 |
27,371 ± 5,781 |
|
Tmax (hr) |
6 (3-10) |
3 (1-8) |
|
Cmax (ng/mL) |
2849 ± 797 |
1820 ± 370 |
*Immediate-release metformin HCl tablets
In four single-dose studies and one multiple-dose study, the bioavailability of metformin hydrochloride extended-release tablets 2,000 mg given once daily, in the evening, under fed conditions [as measured by AUC] was similar to the same total daily dose administered as metformin HCl tablets 1,000 mg given twice daily. The geometric mean ratios (metformin hydrochloride extended-release tablets / metformin HCL tablets) of AUC0-24hr, AUC0-72hr, and AUC0-inf for these five studies ranged from 0.96 to 1.08.
In a single-dose, four-period replicate crossover design study, comparing two 500 mg metformin hydrochloride extended-release tablets to one 1,000 mg metformin hydrochloride extended-release tablet administered in the evening with food to 29 healthy male subjects, two 500 mg metformin hydrochloride extended-release tablets were found to be equivalent to one 1,000 mg metformin hydrochloride extended-release tablet.
In a study carried out with metformin hydrochloride extended-release tablets, there was a dose-associated increase in metformin exposure over 24 hours following oral administration of 1,000, 1,500, 2,000, and 2,500 mg.
In three studies with metformin hydrochloride extended-release tablets using different treatment regimens (2,000 mg after dinner; 1,000 mg after breakfast and after dinner; and 2,500 mg after dinner), the pharmacokinetics of metformin as measured by AUC appeared linear following multiple-dose administration.
Effect of food: The extent of metformin absorption (as measured by AUC) from metformin hydrochloride extended-release tablets increased by approximately 60% when given with food. When metformin hydrochloride extended-release tablets were administered with food, Cmax was increased by approximately 30% and Tmax was more prolonged compared with the fasting state (6.1 versus 4.0 hours).
Distribution
The apparent volume of distribution (V/F) of metformin following single oral doses of metformin HCl tablets 850 mg averaged 654 ± 358 L. Metformin is negligibly bound to plasma proteins. Metformin partitions into erythrocytes, most likely as a function of time.
Metabolism
Intravenous single-dose studies in normal subjects demonstrate that metformin is excreted unchanged in the urine and does not undergo hepatic metabolism (no metabolites have been identified in humans) nor biliary excretion.
Elimination
Renal clearance (see Table 4) is approximately 3.5 times greater than creatinine clearance, which indicates that tubular secretion is the major route of metformin elimination. Following oral administration, approximately 90% of the absorbed drug is eliminated via the renal route within the first 24 hours, with a plasma elimination half-life of approximately 6.2 hours. In blood, the elimination half-life is approximately 17.6 hours, suggesting that the erythrocyte mass may be a compartment of distribution.
Specific Populations
Renal Impairment
In patients with decreased renal function the plasma and blood half-life of metformin is prolonged and the renal clearance is decreased (see Table 4) [see Dosage and Administration (2.2), Contraindications (4), and Warnings and Precautions (5.1) and Use in Specific Populations (8.6)].
Hepatic Impairment
No pharmacokinetic studies of metformin have been conducted in patients with hepatic impairment [see Warnings and Precautions (5.1) and Use in Specific Populations (8.7)].
Geriatrics
Limited data from controlled pharmacokinetic studies of metformin HCl tablets in healthy elderly subjects suggest that total plasma clearance of metformin is decreased, the half-life is prolonged, and Cmax is increased, compared to healthy young subjects. It appears that the change in metformin pharmacokinetics with aging is primarily accounted for by a change in renal function (see Table 4) [seeWarnings and Precautions (5.1) and Use in Specific Populations (8.5)].
Table 4: Select Mean (±S.D.) Metformin Pharmacokinetic Parameters Following Single or Multiple Oral Doses of Metformin HCl Tablets
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Subject Groups: Metformin HCl dosea (number of subjects) |
Cmaxb (mcg/mL) |
Tmaxc (hrs) |
Renal Clearance (mL/min) |
|
Healthy, nondiabetic adults: | |||
|
500 mg single dose (24) 850 mg single dose (74)d 850 mg three times daily for 19 dosese (9) |
1.03 (±0.33) 1.60 (±0.38) 2.01 (±0.42) |
2.75 (±0.81) 2.64 (±0.82) 1.79 (±0.94) |
600 (±132) 552 (±139) 642 (±173) |
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Adults with type 2 diabetes mellitus: | |||
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850 mg single dose (23) 850 mg three times daily for 19 dosese (9) |
1.48 (±0.5) 1.90 (±0.62) |
3.32 (±1.08) 2.01 (±1.22) |
491 (±138) 550 (±160) |
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Elderlyf, healthy nondiabetic adults: | |||
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850 mg single dose (12) |
2.45 (±0.70) |
2.71 (±1.05) |
412 (±98) |
|
Renal-impaired adults: | |||
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850 mg single dose
|
1.86 (±0.52) 4.12 (±1.83) 3.93 (±0.92) |
3.20 (±0.45) 3.75 (±0.50) 4.01 (±1.10) |
384 (±122) 108 (±57) 130 (±90) |
a All doses given fasting except the first 18 doses of the multiple dose studies
b Peak plasma concentration
c Time to peak plasma concentration
d Combined results (average means) of five studies: mean age 32 years (range 23 to 59 years)
e Kinetic study done following dose 19, given fasting
f Elderly subjects, mean age 71 years (range 65 to 81 years)
g CLcr = creatinine clearance normalized to body surface area of 1.73 m2
Pediatrics
There are no available pharmacokinetic data with metformin hydrochloride extended-release tablets in pediatric patients.
Gender
Metformin pharmacokinetic parameters did not differ significantly between normal subjects and patients with type 2 diabetes mellitus when analyzed according to gender (males=19, females=16).
Race
No studies of metformin pharmacokinetic parameters according to race have been performed.
Drug Interactions
In Vivo Assessment of Drug Interactions
Table 5: Effect of Coadministered Drug on Plasma Metformin Systemic Exposure
|
Coadministered Drug |
Dose of Coadministered Drug* |
Dose of Metformin HCl* |
Geometric Mean Ratio (ratio with/without coadministered drug) No Effect = 1.00 |
||
|
AUC† |
Cmax |
||||
|
No dosing adjustments required for the following: |
|||||
|
Glyburide |
5 mg |
850 mg |
metformin |
0.91‡ |
0.93‡ |
|
Furosemide |
40 mg |
850 mg |
metformin |
1.09‡ |
1.22‡ |
|
Nifedipine |
10 mg |
850 mg |
metformin |
1.16 |
1.21 |
|
Propranolol |
40 mg |
850 mg |
metformin |
0.90 |
0.94 |
|
Ibuprofen |
400 mg |
850 mg |
metformin |
1.05‡ |
1.07‡ |
|
Cationic drugs eliminated by renal tubular secretion may reduce metformin elimination [see Warnings and Precautions (5.1) and Drug Interactions (7).] |
|||||
|
Cimetidine |
400 mg |
850 mg |
metformin |
1.40 |
1.61 |
|
Carbonic anhydrase inhibitors may cause metabolic acidosis [see Warnings and Precautions (5.1) and Drug Interactions (7).] |
|||||
|
Topiramate |
100 mg§ |
500 mg§ |
metformin |
1.25§ |
1.17 |
* All metformin HCl and coadministered drugs were given as single doses
† AUC = AUCinf
‡ Ratio of arithmetic means
§ At steady state with topiramate 100 mg every 12 hours and metformin 500 mg every 12 hours;
AUC = AUC0-12h
Table 6: Effect of Metformin on Coadministered Drug Systemic Exposure
|
Coadministered Drug |
Dose of Coadministered Drug* |
Dose of Metformin HCl* |
Geometric Mean Ratio (ratio with/without coadministered drug) No Effect = 1.00 |
||
|
AUC† |
Cmax |
||||
|
No dosing adjustments required for the following: |
|||||
|
Glyburide |
5 mg |
850 mg |
Glyburide |
0.78‡ |
0.63‡ |
|
Furosemide |
40 mg |
850 mg |
Furosemide |
0.87‡ |
0.69‡ |
|
Nifedipine |
10 mg |
850 mg |
Nifedipine |
1.10§ |
1.08 |
|
Propranolol |
40 mg |
850 mg |
Propranolol |
1.01§ |
1.02 |
|
Ibuprofen |
400 mg |
850 mg |
Ibuprofen |
0.97¶ |
1.01¶ |
|
Cimetidine |
400 mg |
850 mg |
Cimetidine |
0.95§ |
1.01 |
* All metformin HCl and coadministered drugs were given as single doses
† AUC = AUCinf unless otherwise noted
‡ Ratio of arithmetic means, p-value of difference <0.05
§ AUC0-24 hr reported
¶ Ratio of arithmetic means
13 NONCLINICAL TOXICOLOGY
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility
Long-term carcinogenicity studies have been performed in rats (dosing duration of 104 weeks) and mice (dosing duration of 91 weeks) at doses up to and including 900 mg/kg/day and 1,500 mg/kg/day, respectively. These doses are both approximately 3 times the maximum recommended human daily dose of 2550 mg based on body surface area comparisons. No evidence of carcinogenicity with metformin was found in either male or female mice. Similarly, there was no tumorigenic potential observed with metformin in male rats. There was, however, an increased incidence of benign stromal uterine polyps in female rats treated with 900 mg/kg/day.
There was no evidence of a mutagenic potential of metformin in the following in vitro tests: Ames test (S. typhimurium), gene mutation test (mouse lymphoma cells), or chromosomal aberrations test (human lymphocytes). Results in the in vivo mouse micronucleus test were also negative.
Fertility of male or female rats was unaffected by metformin when administered at doses as high as 600 mg/kg/day, which is approximately 2 times the maximum recommended human daily dose of 2550 mg based on body surface area comparisons.
14 CLINICAL STUDIES
A 24-week, double-blind, placebo-controlled study of metformin HCl extended-release tablets, taken once daily with the evening meal, was conducted in patients with type 2 diabetes mellitus who had failed to achieve glycemic control with diet and exercise. Patients entering the study had a mean baseline HbA1c of 8.0% and a mean baseline FPG of 176 mg/dL. The treatment dose was increased to 1,500 mg once daily if at Week 12 HbA1c was ‑7.0% but <8.0% (patients with HbA1c‑8.0% were discontinued from the study). At the final visit (24-week), mean HbA1c had increased 0.2% from baseline in placebo patients and decreased 0.6% with metformin HCl extended-release tablets.
A 16-week, double-blind, placebo-controlled, dose-response study of metformin HCl extended-release tablets, taken once daily with the evening meal or twice daily with meals, was conducted in patients with type 2 diabetes mellitus who had failed to achieve glycemic control with diet and exercise. The results are shown in Table 7.
Table 7: Mean Changes from Baseline* in HbA1c and Fasting Plasma Glucose at Week 16 Comparing Metformin HCl Extended-Release Tablets vs Placebo in Patients with Type 2 Diabetes Mellitus
|
Metformin HCl Extended-Release Tablets |
Placebo |
|||||
|
500 mg Once Daily |
1,000 mg Once Daily |
1,500 mg Once Daily |
2,000 mg Once Daily |
1,000 mg Twice Daily |
||
|
Hemoglobin A1c (%)
|
(n=115) 8.2 –0.4 <0.001 |
(n=115) 8.4 –0.6 <0.001 |
(n=111) 8.3 –0.9 <0.001 |
(n=125) 8.4 –0.8 <0.001 |
(n=112) 8.4 –1.1 <0.001 |
(n=111) 8.4 0.1 – |
|
FPG (mg/dL)
|
(n=126) 182.7 –15.2 <0.001 |
(n=118) 183.7 –19.3 <0.001 |
(n=120) 178.9 –28.5 <0.001 |
(n=132) 181.0 –29.9 <0.001 |
(n=122) 181.6 –33.6 <0.001 |
(n=113) 179.6 7.6 – |
a All comparisons versus Placebo
Mean baseline body weight was 193 lbs, 192 lbs, 188 lbs, 196 lbs, 193 lbs and 194 lbs in the metformin HCl extended-release tablets 500 mg, 1,000 mg, 1,500 mg, and 2,000 mg once daily, 1,000 mg twice daily and placebo arms, respectively. Mean change in body weight from baseline to week 16 was -1.3 lbs, -1.3 lbs, -0.7 lbs, -1.5 lbs, -2.2 lbs and -1.8 lbs, respectively.
A 24-week, double-blind, randomized study of metformin HCl extended-release tablets, taken once daily with the evening meal, and metformin HCl tablets, taken twice daily (with breakfast and evening meal), was conducted in patients with type 2 diabetes mellitus who had been treated with metformin HCl tablets 500 mg twice daily for at least 8 weeks prior to study entry. The results are shown in Table 8.
Table 8: Mean Changes from Baseline* in HbA1c and Fasting Plasma Glucose at Week 24 Comparing Metformin HCl Extended-Release vs Metformin HCl in Patients with Type 2 Diabetes Mellitus
|
Metformin HCl 500 mg Twice Daily |
Metformin HCl Extended-Release |
||
|
1,000 mg Once Daily |
1,500 mg Once Daily |
||
|
Hemoglobin A1c (%)
|
(n=67) 7.06 0.14a (–0.04, 0.31) |
(n=72) 6.99 0.27 (0.11, 0.43) |
(n=66) 7.02 0.13 (–0.02, 0.28) |
|
FPG (mg/dL)
|
(n=69) 127.2 14.0 (7.0, 21.0) |
(n=72) 131.0 11.5 (4.4, 18.6) |
(n=70) 131.4 7.6 (1.0, 14.2) |
†a n=68
Mean baseline body weight was 210 lbs, 203 lbs and 193 lbs in the metformin HCl tablets 500 mg twice daily, and metformin HCl extended-release tablets 1,000 mg and 1,500 mg once daily arms, respectively. Mean change in body weight from baseline to week 24 was 0.9 lbs, 1.1 lbs and 0.9 lbs, respectively.
16 HOW SUPPLIED/STORAGE AND HANDLING
16.1 How Supplied
Metformin hydrochloride extended-release tablets are supplied as:
|
500 mg |
Bottles of 60 |
NDC 42806-405-60 |
white-colored, unscored biconvex-shaped, film-coated extended-release tablets imprinted with 0019 500 on one side. |
|
1,000 mg |
Bottles of 60 |
NDC 42806-406-60 |
white-colored, unscored biconvex-shaped, film-coated extended-release tablets imprinted with 0018 1000 on one side. |
17 PATIENT COUNSELING INFORMATION
Advise the patient to read the FDA-approved patient labeling (Patient Information).
Lactic Acidosis:
Explain the risks of lactic acidosis, its symptoms, and conditions that predispose to its development. Advise patients to discontinue metformin hydrochloride extended-release tablets immediately and to promptly notify their healthcare provider if unexplained hyperventilation, myalgias, malaise, unusual somnolence or other nonspecific symptoms occur. Counsel patients against excessive alcohol intake and inform patients about importance of regular testing of renal function while receiving metformin hydrochloride extended-release tablets. Instruct patients to inform their doctor that they are taking metformin hydrochloride extended-release tablets prior to any surgical or radiological procedure, as temporary discontinuation may be required [see Warnings and Precautions (5.1)].
Hypoglycemia:
Inform patients that hypoglycemia may occur when metformin hydrochloride extended-release tablets are coadministered with oral sulfonylureas and insulin. Explain to patients receiving concomitant therapy the risks of hypoglycemia, its symptoms and treatment, and conditions that predispose to its development [see Warnings and Precautions (5.3)].
Vitamin B12 Deficiency:
Inform patients about importance of regular hematological parameters while receiving metformin hydrochloride extended-release tablets [see Warnings and Precautions (5.2)].
Females of Reproductive Age:
Inform females that treatment with metformin hydrochloride extended-release tablets may result in ovulation in some premenopausal anovulatory women which may lead to unintended pregnancy [see Use in Specific Populations (8.3)].
Administration Information:
Inform patients that metformin hydrochloride extended-release tablets must be swallowed whole and not crushed, cut, or chewed, and that the inactive ingredients may occasionally be eliminated in the feces as a soft mass that may resemble the original tablet.
Manufactured by:
Qingdao BAHEAL Pharmaceutical Co., Ltd.
NO.268 Yingcheng Road, Jimo, Qingdao PR China
Distributed by:
Epic Pharma LLC
Laurelton, NY 11413
Rev. 02/19
Patient Medication Information
|
PATIENT INFORMATION Metformin hydrochloride extended-release tablets |
|
What is the most important information I should know about metformin hydrochloride extended-release tablets? Metformin hydrochloride extended-release tablets can cause serious side effects including: Lactic Acidosis. Metformin hydrochloride, the medicine in metformin hydrochloride extended-release tablets, can cause a rare, but serious side effect called lactic acidosis (a build-up of lactic acid in the blood) that can cause death. Lactic acidosis is a medical emergency and must be treated in a hospital. Stop taking metformin hydrochloride extended-release tablets and call your healthcare provider right away if you get any of the following symptoms of lactic acidosis:
You have a higher chance of getting lactic acidosis if you:
Tell your healthcare provider if you have any of the problems in the list above. Tell your healthcare provider that you are taking metformin hydrochloride extended-release tablets before you have surgery or x-ray tests. Your healthcare provider may need to stop metformin hydrochloride extended-release tablets for a while if you have surgery or certain x-ray tests. Metformin hydrochloride extended-release tablets can have other serious side effects. See “What are the possible side effects of metformin hydrochloride extended-release tablets?” |
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What are metformin hydrochloride extended-release tablets?
|
|
Do not take metformin hydrochloride extended-release tablets if you:
|
|
Before taking metformin hydrochloride extended-release tablets, tell your healthcare provider about all your medical conditions, including if you:
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Know the medicines you take. Keep a list of them to show your healthcare provider and pharmacist when you get a new medicine. Metformin hydrochloride extended-release tablets may affect the way other medicines work, and other medicines may affect how metformin hydrochloride extended-release tablets work. |
|
How should I take metformin hydrochloride extended-release tablets?
|
|
What should I avoid while taking metformin hydrochloride extended-release tablets? Do not drink a lot of alcoholic drinks while taking metformin hydrochloride extended-release tablets. This means you should not binge drink for short periods, and you should not drink a lot of alcohol on a regular basis. Alcohol can increase the chance of getting lactic acidosis. |
|
What are the possible side effects of metformin hydrochloride extended-release tablets? Metformin hydrochloride extended-release tablets may cause serious side effects, including:
Common side effects of metformin hydrochloride extended-release tablets include:
These are not all the possible side effects of metformin hydrochloride extended-release tablets. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. |
|
How should I store metformin hydrochloride extended-release tablets? Store metformin hydrochloride extended-release tablets at room temperature between 68°F to 77°F (20°C to 25°C). See insert. Keep bottle tightly closed between each use to protect the metformin hydrochloride extended-release tablets from moisture. Protect from light. Keep metformin hydrochloride extended-release tablets and all medicines out of the reach of children. |
|
General information about the safe and effective use of metformin hydrochloride extended-release tablets Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use metformin hydrochloride extended-release tablets for a condition for which it was not prescribed. Do not give metformin hydrochloride extendedrelease tablets to other people, even if they have the same symptoms that you have. It may harm them. You can ask your pharmacist or healthcare provider for information about metformin hydrochloride extended-release tablets that is written for health professionals. |
|
What are the ingredients in metformin hydrochloride extended-release tablets? Active ingredients: metformin hydrochloride. Inactive ingredients: Povidone, Sodium Lauryl Sulfate, Magnesium Stearate, Cellulose Acetate, Polyethylene Glycol (PEG 400, PEG 8000), Triacetin, Hypromellose, Titanium Dioxide, Polysorbate 80, Ferrosoferric Oxide, Shellac. Manufactured by: Qingdao BAHEAL Pharmaceutical Co., Ltd. NO.268 Yingcheng Road, Jimo, Qingdao PR China Distributed by: Epic Pharma LLC Laurelton, NY 11413 Rev. 02/19 |
INGREDIENTS AND APPEARANCE
| METFORMIN HYDROCHLORIDE
metformin hydrochloride tablets tablet, film coated, extended release |
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| METFORMIN HYDROCHLORIDE
metformin hydrochloride tablet tablet, film coated, extended release |
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| Labeler - EPIC PHARMA, LLC (827915443) |
| Registrant - Qingdao BAHEAL Pharmaceutical Co., Ltd. (546626586) |
| Establishment | |||
| Name | Address | ID/FEI | Business Operations |
|---|---|---|---|
| Qingdao BAHEAL Pharmaceutical Co., Ltd. | 546626586 | MANUFACTURE(42806-405, 42806-406) | |