Edaravone

Generic Name: edaravone

Over-the-Counter (OTC)

Brand Names:

Radicava, Radicava Ors

11 DESCRIPTION The active ingredient in RADICAVA and RADICAVA ORS is edaravone, which is a member of the substituted 2-pyrazolin-5-one class. The chemical name of edaravone is [3-methyl-1-phenyl-2-pyrazolin-5-one]. The molecular formula is C 10 H 10 N 2 O and the molecular weight is 174.20. The chemical structure is: Edaravone is a white crystalline powder with a melting point of 129.7°C. It is freely soluble in acetic acid, methanol, or ethanol and slightly soluble in water or diethyl ether.

Overview

11 DESCRIPTION The active ingredient in RADICAVA and RADICAVA ORS is edaravone, which is a member of the substituted 2-pyrazolin-5-one class. The chemical name of edaravone is [3-methyl-1-phenyl-2-pyrazolin-5-one]. The molecular formula is C 10 H 10 N 2 O and the molecular weight is 174.20. The chemical structure is: Edaravone is a white crystalline powder with a melting point of 129.7°C. It is freely soluble in acetic acid, methanol, or ethanol and slightly soluble in water or diethyl ether.

Uses

1 INDICATIONS AND USAGE RADICAVA and RADICAVA ORS are indicated for the treatment of amyotrophic lateral sclerosis (ALS). RADICAVA and RADICAVA ORS are indicated for the treatment of amyotrophic lateral sclerosis (ALS). ( 1 )

Dosage

2 DOSAGE AND ADMINISTRATION • RADICAVA: The recommended dosage is 60 mg administered as an intravenous infusion over 60 minutes ( 2.1 ) • RADICAVA ORS: The recommended dosage is 105 mg (5 mL) taken orally or via feeding tube in the morning after overnight fasting. Food should not be consumed for 1 hour after administration except water ( 2.1 , 2.3 ) • For RADICAVA and RADICAVA ORS: • Initial treatment cycle: daily dosing for 14 days followed by a 14- day drug-free period ( 2.1 ) • Subsequent treatment cycles: daily dosing for 10 days out of 14- day periods, followed by 14-day drug-free periods ( 2.1 ) 2.1 Dosage Information The recommended dosage of RADICAVA and RADICAVA ORS is as follows: • RADICAVA: an intravenous infusion of 60 mg administered over a 60-minute period • RADICAVA ORS: 105...

Side Effects

6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: • Hypersensitivity Reactions [see Warnings and Precautions (5.1) ] • Sulfite Allergic Reactions [see Warnings and Precautions (5.2) ] Most common adverse reactions (at least 10% of patients treated with RADICAVA and greater than placebo) are contusion, gait disturbance, and headache ( 6.1) To report SUSPECTED ADVERSE REACTIONS, contact Tanabe Pharma America, Inc. at 1-888-292-0058 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Warnings

5 WARNINGS AND PRECAUTIONS • Hypersensitivity Reactions: Advise patients to seek immediate medical care ( 5.1 ) • Sulfite Allergic Reactions: RADICAVA and RADICAVA ORS contain sodium bisulfite, which may cause allergic type reactions, including anaphylactic symptoms and asthmatic episodes in susceptible people ( 5.2 ) 5.1 Hypersensitivity Reactions Hypersensitivity reactions (redness, wheals, and erythema multiforme) and cases of anaphylaxis (urticaria, decreased blood pressure, and dyspnea) have been reported in spontaneous postmarketing reports with RADICAVA. Patients should be monitored carefully for hypersensitivity reactions. 4 CONTRAINDICATIONS RADICAVA and RADICAVA ORS are contraindicated in patients with a history of hypersensitivity to edaravone or any of the inactive ingredients in this product. Hypersensitivity reactions and anaphylactic reactions have occurred [see Warnings and Precautions (5.1 , 5.2 )].

Pregnancy

8.1 Pregnancy Risk Summary There are no adequate data on the developmental risk associated with the use of RADICAVA or RADICAVA ORS in pregnant women. In animal studies, administration of edaravone to pregnant rats and rabbits resulted in adverse developmental effects (increased mortality, decreased growth, delayed sexual development, and altered behavior) at clinically relevant doses. Most of these effects occurred at doses that were also associated with maternal toxicity (see Animal Data ) . In the U.S.

Storage

16.2 Storage and Handling RADICAVA Store RADICAVA at up to 25°C (77°F). Excursions permitted from 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature]. Protect from light. Store in overwrapped package to protect from oxygen degradation until time of use. The oxygen indicator will turn blue or purple if the oxygen has exceeded acceptable levels.

Frequently Asked Questions

What is Edaravone used for?

1 INDICATIONS AND USAGE RADICAVA and RADICAVA ORS are indicated for the treatment of amyotrophic lateral sclerosis (ALS). RADICAVA and RADICAVA ORS are indicated for the treatment of amyotrophic lateral sclerosis (ALS). ( 1 )

What are the side effects of Edaravone?

6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: • Hypersensitivity Reactions [see Warnings and Precautions (5.1) ] • Sulfite Allergic Reactions [see Warnings and Precautions (5.2) ] Most common adverse reactions (at least 10% of patients treated with RADICAVA and greater than placebo) are contusion, gait disturbance, and headache ( 6.1) To report SUSPECTED ADVERSE REACTIONS, contact Tanabe Pharma America, Inc. at 1-888-292-0058 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Can I take Edaravone during pregnancy?

8.1 Pregnancy Risk Summary There are no adequate data on the developmental risk associated with the use of RADICAVA or RADICAVA ORS in pregnant women. In animal studies, administration of edaravone to pregnant rats and rabbits resulted in adverse developmental effects (increased mortality, decreased growth, delayed sexual development, and altered behavior) at clinically relevant doses. Most of these effects occurred at doses that were also associated with maternal toxicity (see Animal Data ) . In the U.S.

What are the important warnings for Edaravone?

5 WARNINGS AND PRECAUTIONS • Hypersensitivity Reactions: Advise patients to seek immediate medical care ( 5.1 ) • Sulfite Allergic Reactions: RADICAVA and RADICAVA ORS contain sodium bisulfite, which may cause allergic type reactions, including anaphylactic symptoms and asthmatic episodes in susceptible people ( 5.2 ) 5.1 Hypersensitivity Reactions Hypersensitivity reactions (redness, wheals, and erythema multiforme) and cases of anaphylaxis (urticaria, decreased blood pressure, and dyspnea) have been reported in spontaneous postmarketing reports with RADICAVA. Patients should be monitored carefully for hypersensitivity reactions. 4 CONTRAINDICATIONS RADICAVA and RADICAVA ORS are contraindicated in patients with a history of hypersensitivity to edaravone or any of the inactive ingredients in this product. Hypersensitivity reactions and anaphylactic reactions have occurred [see Warnings and Precautions (5.1 , 5.2 )].

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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.