Edaravone
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Preparation and administration
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Preparation and Administration Information for RADICAVA Injection RADICAVA is for intravenous infusion only. Preparation Do not use if the oxygen indicator has turned blue or purple before opening the package . Once the overwrap package is opened, use within 24 hours [see How Supplied/Storage and Handling (16.1 , 16.2) ].
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Administration Administer each 60 mg dose of RADICAVA injection as two consecutive 30 mg intravenous infusion bags over a total of 60 minutes (infusion rate approximately 1 mg per minute [3.33 mL per minute]).
Promptly discontinue the infusion upon the first observation of any signs or symptoms consistent with a hypersensitivity reaction [see Warnings and Precautions (5.1 , 5.2) ] . Other medications should not be injected into the infusion bag or mixed with RADICAVA.
Preparation and Administration Information for RADICAVA ORS Oral Suspension See the Instruction for Use for further preparation and administration details. Preparation Prior to opening the bottle, turn it upside down (invert) and shake vigorously up and down for at least 30 seconds. Administration RADICAVA ORS can be administered by mouth or via feeding tube (see Feeding Tube Administration ) .
RADICAVA ORS should be taken in the morning on an empty stomach after overnight fasting. Food should not be consumed for 1 hour after administration except water [see Clinical Pharmacology ] . See Table 1 for specific fasting conditions. [See table below.] Low-fat meal (400-500 calories, 25% fat) 4 hours before administration and one hour after administration Caloric supplement (250 calories, e.g., protein drink) 2 hours before administration and one hour after administration Administer RADICAVA ORS using a 5 mL oral syringe that comes with the product.
A household teaspoon is not an adequate measuring device. Dispose of any RADICAVA ORS that is not used within 15 days after opening the bottle or within the 30 days from the date of shipment indicated on the carton pharmacy label, which ever happens first. Feeding Tube Administration Nasogastric (NG) tubes or percutaneous endoscopic gastrostomy (PEG) tubes made of silicone, polyvinyl chloride (PVC), or polyurethane can be used Before and after administration, use a catheter-tip syringe to flush the tube with at least 1 ounce (30 mL) of water
Switching from RADICAVA to RADICAVA ORS Patients treated with 60 mg of RADICAVA intravenous infusion may be switched to 105 mg (5 mL) RADICAVA ORS using the same dosing frequency. Upon switching to RADICAVA ORS, patients should follow RADICAVA ORS dosing recommendations with regards to food consumption [see Dosage and Administration ] .
Contraindications
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) ]. Patients with a history of hypersensitivity to edaravone or any of the inactive ingredients in RADICAVA and/or RADICAVA ORS ( 4 )
Pregnancy and lactation
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. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.
The background risk for major birth defects and miscarriage in patients with ALS is unknown. Data Animal Data In rats, intravenous administration of edaravone (0, 3, 30, or 300 mg/kg/day) throughout the period of organogenesis resulted in reduced fetal weight at all doses. In dams allowed to deliver naturally, offspring weight was reduced at the highest dose tested. Maternal toxicity was also observed at the highest dose tested. There were no adverse effects on reproductive function in the offspring. A no-effect dose for embryofetal developmental toxicity was not identified; the low dose is less than the recommended human dose of 60 mg for RADICAVA on a body surface area (mg/m 2 ) basis.
In rabbits, intravenous administration of edaravone (0, 3, 20, or 100 mg/kg/day) throughout the period of organogenesis resulted in embryofetal death at the highest dose tested, which was associated with maternal toxicity. The higher no-effect dose for embryofetal developmental toxicity is approximately 6 times the recommended human dose (RHD) for RADICAVA on a body surface area (mg/m 2 ) basis. The effects on offspring of edaravone (0, 3, 20, or 200 mg/kg/day), administered by intravenous injection to rats from GD 17 throughout lactation, were assessed in two studies.
In the first study, offspring mortality was observed at the high dose and increased activity was observed at the mid and high doses. In the second study, there was an increase in stillbirths, offspring mortality, and delayed physical development (vaginal opening) at the highest dose tested. Reproduction function in offspring was not affected in either study. Maternal toxicity was evident in both studies at all but the lowest dose tested. The no-effect dose for developmental toxicity (3 mg/kg/day) is less than the RHD on a mg/m 2 basis. Reproductive and developmental toxicology studies of edaravone using the oral route have not been conducted.
For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.
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