Mirabegron
Generic Name: mirabegron
Brand Names:
Mirabegron
11 DESCRIPTION Mirabegron extended-release tablet for oral use is a beta-3 adrenergic agonist. The chemical name of mirabegron is 2-(2-Amino-1,3-thiazol-4-yl)-N-[4-(2-{([(2R)-2-hydroxy-2-phenylethyl] amino}ethyl)phenyl] acetamide having an empirical formula of C 21 H 24 N 4 O 2 S and a molecular weight of 396.51. The structural formula of mirabegron is: Mirabegron is an off-white to light yellow colored powder. It is practically insoluble in water.
Overview
11 DESCRIPTION Mirabegron extended-release tablet for oral use is a beta-3 adrenergic agonist. The chemical name of mirabegron is 2-(2-Amino-1,3-thiazol-4-yl)-N-[4-(2-{([(2R)-2-hydroxy-2-phenylethyl] amino}ethyl)phenyl] acetamide having an empirical formula of C 21 H 24 N 4 O 2 S and a molecular weight of 396.51. The structural formula of mirabegron is: Mirabegron is an off-white to light yellow colored powder. It is practically insoluble in water.
Uses
1 INDICATIONS AND USAGE Mirabegron extended-release tablets are beta-3 adrenergic agonist indicated for the treatment of: Overactive bladder (OAB) in adult patients with symptoms of urge urinary incontinence, urgency, and urinary frequency. ( 1.1 ) 1.1 Adult Overactive Bladder (OAB) Mirabegron Extended-Release Tablets Monotherapy Mirabegron extended-release tablets are indicated for the treatment of OAB in adult patients with symptoms of urge urinary incontinence, urgency, and urinary frequency. Pediatric use information is approved for Astellas Pharma Global Development, Inc.'s MYRBETRIQ (mirabegron extended-release tablets). However, due to Astellas Pharma Global Development, Inc.'s marketing exclusivity rights, this drug product is not labeled with that information.
Dosage
2 DOSAGE AND ADMINISTRATION Mirabegron extended-release tablets and mirabegron for extended-release oral suspension are two different products and they are not substitutable on a milligram-per-milligram basis. Select the recommended product (mirabegron extended-release tablets or mirabegron for extended-release oral suspension) based on the indication. OAB in Adults The recommended starting dose of mirabegron extended-release tablets is 25 mg orally once daily. ( 2.2 ) After 4 to 8 weeks, the mirabegron extended-release tablets dose may be increased to 50 mg orally once daily. ( 2.2 ) Adult Patients with Renal or Hepatic Impairment: Refer to the full prescribing information for recommended dosage.
Side Effects
6 ADVERSE REACTIONS Most commonly reported adverse reactions with mirabegron monotherapy in adult patients with OAB (> 2% and > placebo) were hypertension, nasopharyngitis, urinary tract infection, and headache. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Lupin Pharmaceuticals, Inc. at 1-800-399-2561 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. The following adverse reactions are discussed in more detail in other sections of the labeling.
Interactions
7 DRUG INTERACTIONS Drugs Metabolized by CYP2D6 : Mirabegron is a CYP2D6 inhibitor and, when used concomitantly with drugs metabolized by CYP2D6, especially narrow therapeutic index drugs, appropriate monitoring and possible dose adjustment of those drugs may be necessary. ( 5.4 , 7.1 , 12.3 ) Digoxin : When initiating a combination of mirabegron and digoxin, use the lowest dose of digoxin; monitor serum digoxin concentrations to titrate digoxin dose to desired clinical effect. ( 7.2 , 12.3 ) Pediatric use information is approved for Astellas Pharma Global Development, Inc.'s MYRBETRIQ (mirabegron extended-release tablets). However, due to Astellas Pharma Global Development, Inc.'s marketing exclusivity rights, this drug product is not labeled with that information.
Warnings
5 WARNINGS AND PRECAUTIONS Increases in Blood Pressure : Can increase blood pressure in adult patients. Periodically monitor blood pressure, especially in hypertensive patients. Mirabegron extended-release tablets are not recommended in patients with severe uncontrolled hypertension. ( 5.1 ) Urinary Retention in Patients With Bladder Outlet Obstruction and in Patients Taking Muscarinic Antagonist Drugs for Overactive Bladder : Administer with caution in these patients because of risk of urinary retention. ( 5.2 ) Angioedema : Angioedema of the face, lips, tongue, and/or larynx has been reported with mirabegron. ( 5.3 , 6.2 ) 5.1 Increases in Blood Pressure Increases in Blood Pressure in Adults Mirabegron extended-release tablets can increase blood pressure. 4 CONTRAINDICATIONS Hypersensitivity to mirabegron or any inactive ingredients. ( 4 ) Mirabegron extended-release tablets are contraindicated in patients with known hypersensitivity reactions to mirabegron or any inactive ingredients of the tablet [see Adverse Reactions ( 6.1 , 6.2 )] .
Pregnancy
8.1 Pregnancy Risk Summary There are no studies with the use of mirabegron in pregnant women or adolescents to inform a drug-associated risk of major birth defects, miscarriages, or adverse maternal or fetal outcomes. Mirabegron administration to pregnant animals during organogenesis resulted in reversible skeletal variations (in rats) at 22-fold (via AUC) the maximum recommended human dose (MRHD) of 50 mg/day and decreased fetal body weights (in rabbits) at 14-fold the MRHD.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING 16.1 Mirabegron Extended-Release Tablets Mirabegron extended-release tablets are supplied as oval, film-coated, extended-release tablets, available in bottles as follows: Strength 25 mg 50 mg Color White Pale-yellow Debossed M25, LU M50, LU Bottle of 30 NDC 68180-151-06 NDC 68180-152-06 Bottle of 90 NDC 68180-151-09 NDC 68180-152-09 Store and Dispense Store at...
Frequently Asked Questions
What is Mirabegron used for?▼
1 INDICATIONS AND USAGE Mirabegron extended-release tablets are beta-3 adrenergic agonist indicated for the treatment of: Overactive bladder (OAB) in adult patients with symptoms of urge urinary incontinence, urgency, and urinary frequency. ( 1.1 ) 1.1 Adult Overactive Bladder (OAB) Mirabegron Extended-Release Tablets Monotherapy Mirabegron extended-release tablets are indicated for the treatment of OAB in adult patients with symptoms of urge urinary incontinence, urgency, and urinary frequency. Pediatric use information is approved for Astellas Pharma Global Development, Inc.'s MYRBETRIQ (mirabegron extended-release tablets). However, due to Astellas Pharma Global Development, Inc.'s marketing exclusivity rights, this drug product is not labeled with that information.
What are the side effects of Mirabegron?▼
6 ADVERSE REACTIONS Most commonly reported adverse reactions with mirabegron monotherapy in adult patients with OAB (> 2% and > placebo) were hypertension, nasopharyngitis, urinary tract infection, and headache. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Lupin Pharmaceuticals, Inc. at 1-800-399-2561 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. The following adverse reactions are discussed in more detail in other sections of the labeling.
Can I take Mirabegron during pregnancy?▼
8.1 Pregnancy Risk Summary There are no studies with the use of mirabegron in pregnant women or adolescents to inform a drug-associated risk of major birth defects, miscarriages, or adverse maternal or fetal outcomes. Mirabegron administration to pregnant animals during organogenesis resulted in reversible skeletal variations (in rats) at 22-fold (via AUC) the maximum recommended human dose (MRHD) of 50 mg/day and decreased fetal body weights (in rabbits) at 14-fold the MRHD.
What are the important warnings for Mirabegron?▼
5 WARNINGS AND PRECAUTIONS Increases in Blood Pressure : Can increase blood pressure in adult patients. Periodically monitor blood pressure, especially in hypertensive patients. Mirabegron extended-release tablets are not recommended in patients with severe uncontrolled hypertension. ( 5.1 ) Urinary Retention in Patients With Bladder Outlet Obstruction and in Patients Taking Muscarinic Antagonist Drugs for Overactive Bladder : Administer with caution in these patients because of risk of urinary retention. ( 5.2 ) Angioedema : Angioedema of the face, lips, tongue, and/or larynx has been reported with mirabegron. ( 5.3 , 6.2 ) 5.1 Increases in Blood Pressure Increases in Blood Pressure in Adults Mirabegron extended-release tablets can increase blood pressure. 4 CONTRAINDICATIONS Hypersensitivity to mirabegron or any inactive ingredients. ( 4 ) Mirabegron extended-release tablets are contraindicated in patients with known hypersensitivity reactions to mirabegron or any inactive ingredients of the tablet [see Adverse Reactions ( 6.1 , 6.2 )] .
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.