Banzel rufinamide 200 mg Tablet, Film Coated, 120-count
Other active recalls for Rufinamide (different manufacturers) — 1 · tap to view
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Carboxamide derivatives class.
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🏭 Manufacturer & labeler
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🩺 Clinical
Rufinamide is used with other medication(s) to control seizures in people who have Lennox-Gastaut syndrome (a severe form of epilepsy that begins during childhood and causes several types of seizures, behavioral disturbances, and developmental delays). Rufinamide is in a class of medications called anticonvulsants. It works by decreasing abnormal excitement in the brain.
Read the full MedlinePlus article ↗- Rufinamide — sold as Banzel — is used to help control seizures in people with Lennox-Gastaut Syndrome (LGS), a severe form of epilepsy that often starts in childhood. It's always u...
- Yes — this one really matters. Food significantly increases how much rufinamide your body absorbs, so taking it on an empty stomach means you could be getting much less of the medi...
- Do I really need to take it with food every time?
- The most common ones are drowsiness, headache, dizziness, nausea or vomiting, and feeling tired — these are annoying but generally manageable. The ones that need a call to your doc...
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Supplement & herbal interactions
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💊 What it looks like
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🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
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UNII OP1R32D61U
Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
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UNII M28OL1HH48
Croscarmellose sodium is a plant-based substance derived from cellulose. It acts as a disintegrant, helping tablets and capsules break down quickly in the digestive system so the medicine can be absorbed.
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UNII 1K09F3G675
Ferric oxide red is an inorganic iron compound used as a colorant in medicines. It gives tablets, capsules, or other dosage forms a red or reddish tint for identification and appearance.
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UNII 9H4L916OBU
Hypromellose 2208 is a plant-derived cellulose that thickens and forms protective coats. It's used in medications as a binder to hold ingredients together and as a coating to control how fast the medicine dissolves.
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UNII 0VUT3PMY82
Hypromellose 2910 is a plant-derived thickening agent made from cellulose. In medicines, it forms protective coatings on tablets or capsules, controls how fast the drug releases, and thickens liquid formulations.
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UNII EWQ57Q8I5X
Lactose monohydrate is a natural sugar derived from milk. It serves as a filler and binder in tablets and capsules, helping create the proper size, texture, and consistency of the medicine.
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UNII 70097M6I30
Magnesium stearate is a salt made from magnesium and stearic acid, a fatty substance. It's used in tablets and capsules as a lubricant and glidant to help ingredients flow smoothly during manufacturing and prevent sticking.
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UNII Q662QK8M3B
Polyethylene glycol 8000 is a synthetic polymer made from ethylene oxide. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and add bulk to the medicine.
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UNII ETJ7Z6XBU4
Silicon dioxide is a naturally occurring mineral used as a glidant and anti-caking agent. It helps powder ingredients flow smoothly and prevents clumping during manufacturing and storage.
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UNII 368GB5141J
A detergent and foaming agent derived from coconut or palm oil. In medications, it helps break down and mix oil and water-based ingredients, aids in tablet disintegration, and improves how the drug dissolves and spreads in the mouth or digestive system.
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UNII O8232NY3SJ
A plant-based carbohydrate derived from corn kernels. It acts as a filler to add bulk, a binder to hold ingredients together, and a disintegrant to help the tablet break apart in your stomach for absorption.
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UNII 7SEV7J4R1U
A powder made from a naturally occurring mineral. In medicines, talc works as a glidant and anti-caking agent, helping tablets and capsules flow smoothly during manufacturing and preventing clumping.
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UNII 15FIX9V2JP
Titanium dioxide is a bright white mineral powder commonly used as a colorant and opacifying agent. It makes pills and tablets white or lighter in color and helps make coatings non-transparent.
13 inactive ingredients listed in the exact product block matched to this NDC.
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ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per ea | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | $12.610 | $1,513.24 / 120 tablets |
| Medicaid paysCMS SDUD · 12 mo | $12.63 | $1,515.48 / 120 tablets |
| Medicare drug plans payPart D · Q2 2026 | $13.24 | $1,589.32 / 120 tablets |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Rufinamide 200 mg 00054-0425-23 | Hikma | 120 tablets | $0.832 | AB | Availability likely | save 93% |
| Rufinamide 200 mg 31722-0598-12 | Camber | 120 tablets | $0.832 | AB | Availability likely | save 93% |
| Rufinamide 200 mg 42571-0391-12 | Micro | 120 tablets | $0.832 | AB | Availability likely | save 93% |
| Rufinamide 200 mg 59651-0616-08 | Aurobindo | 120 tablets | $0.832 | AB | Availability likely | save 93% |
| Banzel 200 mgthis 62856-0582-52 | Eisai | 120 tablets | $12.610 | AB | Availability likely | — |
| Rufinamide 200 mg 68180-0803-06 | Lupin | 30 tablets | — | — | FDA listed | — |
| rufinamide 200 mg 68462-0713-05 | Glenmark | 500 tablets | — | AB | FDA listed | — |
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⏳ Availability & generic status
FDA-approved generic versions are listed, and recent pricing/market data suggests they may be available — see Therapeutic equivalents.
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🗺️ Medicaid utilization & spend
💊 Medicaid utilization by pack size
📊 Medicare Part D spend CMS · PART D · 2026 (Q1)
📦 Packaging — all sizes for this product
| Package NDC | Description | Per unit | Per pack | Marketing start | Status |
|---|---|---|---|---|---|
| 62856-0582-04 | 4 TABLET, FILM COATED in 1 BOTTLE (62856-582-04) | — | — | 2018-08-08 | Active |
| 62856-0582-52 You're viewing this | 120 TABLET, FILM COATED in 1 BOTTLE (62856-582-52) | $12.61 / ea | $1,513.24 | 2008-11-14 | Active |
You're viewing the largest of 2 pack sizes for this product.
In Medicaid, this is the most-dispensed pack of this product — about 100% of fills over the last four reported quarters. See all packs ↓
Pack size FAQ
What quantity is in NDC 62856-0582-52?
What is the difference between NDC 62856-0582-52 and NDC 62856-0582-04?
What NDC number is used to bill for this package of Banzel rufinamide 200 mg Tablet, Film Coated?
Prices are the latest CMS NADAC pharmacy acquisition cost per NDC; per-pack figures are per-unit × pack quantity, shown only when the pack is denominated in the same measure NADAC prices.
📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
1 I NDICATIONS AND USAGE BANZEL is indicated for adjunctive treatment of seizures associated with Lennox-Gastaut Syndrome in pediatric patients 1 year of age and older and in adults. BANZEL is indicated for adjunctive treatment of seizures associated with Lennox-Gastaut Syndrome (LGS) in pediatric patients 1 year of age and older, and in adults ( 1 )
⏱️ Dosage and Administration ▾
2 DOSAGE AND ADMINISTRATION BANZEL should be given with food. Tablets can be administered whole, as half tablets, or crushed ( 2.2 ) Measure oral suspension using provided adapter and dosing syringe ( 2.2 ) Pediatric patients 1 year and older: Starting daily dose: 10 mg/kg per day in two equally divided doses ( 2.1 ) Increase by 10 mg/kg increments every other day to maximum dose of 45 mg/kg per day, not to exceed 3200 mg per day, in two divided doses ( 2.1 ) Adults: Starting daily dose: 400-800 mg per day in two equally divided doses ( 2.1 ) Increase by 400-800 mg every other day until a maximum dose of 3200 mg per day, in two divided doses, is reached ( 2.1 )
2.1Dosage Information Pediatric patients ( 1 year to less than 17 years) The recommended starting daily dose of BANZEL in pediatric patients with Lennox-Gastaut Syndrome is approximately 10 mg/kg administered in two equally divided doses. The dose should be increased by approximately 10 mg/kg increments every other day until a maximum daily dose of 45 mg/kg, not to exceed 3200 mg, administered in two equally divided doses, is reached. It is not known whether doses lower than the target doses are effective.
Adults (17 years and older) The recommended starting daily dose of BANZEL in adults with Lennox-Gastaut Syndrome is 400 to 800 mg per day administered in two equally divided doses. The dose should be increased by 400-800 mg every other day until a maximum daily dose of 3200 mg, administered in two equally divided doses, is reached. It is not known whether doses lower than 3200 mg are effective.
2.2Administration Information Administer BANZEL with food. BANZEL film-coated tablets can be administered whole, as half tablets or crushed. BANZEL oral suspension should be shaken well before every administration.
The provided adapter and calibrated oral dosing syringe should be used to administer the oral suspension. The adapter which is supplied in the product carton should be inserted firmly into the neck of the bottle before use and remain in place for the duration of the usage of the bottle. The dosing syringe should be inserted into the adapter and the dose withdrawn from the inverted bottle.
The cap should be replaced after each use. The cap fits properly when the adapter is in place [see Patient Counseling Information ( 17 )] . 2.
3 Dosing in Patients Undergoing Hemodialysis Hemodialysis may reduce exposure to a limited (about 30%) extent. Accordingly, adjusting the BANZEL dose during the dialysis process should be considered [s ee Clinical Pharmacology ( 12.3 ) ] . 2.
4 Dosing in Patients with Hepatic Disease Use of BANZEL in patients with hepatic impairment has not been studied. Therefore, use in patients with severe hepatic impairment is not recommended. Caution should be exercised in treating patients with mild to moderate hepatic impairment [ see Use in Specific Population s ( 8.7 ) ] .
2. 5 Dosing in Patients Taking Valproate Patients taking valproate should begin BANZEL at a dose lower than 10 mg/kg per day in pediatric patients or 400 mg per day in adults [ see Drug Int eractions ( 7.2 ) ] .
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS Film-coated Tablets: 200 mg (pink) and 400 mg (pink). Tablets are scored on both sides. Oral Suspension: 40 mg/mL. White to off-white opaque liquid. Film-coated tablets: 200 mg (pink), 400 mg (pink) ( 3 ) Oral suspension: 40 mg/mL ( 3 )
⛔ Contraindications ▾
4 CONTRAINDICATIONS BANZEL is contraindicated in patients with Familial Short QT syndrome [ see Warnings and Precautions ( 5.3 ) ] . BANZEL is contraindicated in patients with Familial Short QT syndrome ( 4 )
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS Monitor patients for new or worsening depression, suicidal thoughts/behavior, and unusual changes in mood or behavior ( 5.1 ) Central nervous system reactions can occur ( 5.2 ) Use caution when administering BANZEL with other drugs that shorten the QT interval ( 5.3 ) Discontinue BANZEL if multi-organ hypersensitivity reaction occurs ( 5.4 ) Withdraw BANZEL gradually to minimize the risk of precipitating seizures, seizure exacerbation, or status epilepticus ( 5.5 )
5.1Suicidal Behavior and Ideation Antiepileptic drugs (AEDs), including BANZEL, increase the risk of suicidal thoughts or behavior in patients taking these drugs for any indication. Patients treated with any AED for any indication should be monitored for the emergence or worsening of depression, suicidal thoughts or behavior, and/or any unusual changes in mood or behavior. Pooled analyses of 199 placebo-controlled clinical trials (mono- and adjunctive therapy) of 11 different AEDs showed that patients randomized to one of the AEDs had approximately twice the risk (adjusted Relative Risk 1.8, 95% CI:1.2, 2.7) of suicidal thinking or behavior compared to patients randomized to placebo.
In these trials, which had a median treatment duration of 12 weeks, the estimated incidence rate of suicidal behavior or ideation among 27,863 AED-treated patients was 0.43%, compared to 0.24% among 16,029 placebo-treated patients, representing an increase of approximately one case of suicidal thinking or behavior for every 530 patients treated. There were four suicides in drug-treated patients in the trials and none in placebo-treated patients, but the number is too small to allow any conclusion about drug effect on suicide.
The increased risk of suicidal thoughts or behavior with AEDs was observed as early as 1 week after starting drug treatment with AEDs and persisted for the duration of treatment assessed. Because most trials included in the analysis did not extend beyond 24 weeks, the risk of suicidal thoughts or behavior beyond 24 weeks could not be assessed. The risk of suicidal thoughts or behavior was generally consistent among drugs in the data analyzed.
The finding of increased risk with AEDs of varying mechanisms of action and across a range of indications suggests that the risk applies to all AEDs used for any indication. The risk did not vary substantially by age (5-100 years) in the clinical trials analyzed. Table 1 shows absolute and relative risk by indication for all evaluated AEDs.
Table 1: Absolute and Relative Risk of Suicidal Behavior and Ideation Indication Placebo Patients with Events Per 1000 Patients Drug Patients with Events Per 1000 Patients Relative Risk: Incidence of Events in Drug Patients/Incidence in Placebo Patients Risk Difference: Additional Drug Patients with Events Per 1000 Patients Epilepsy 1.0 3.4 3.5
2.4Psychiatric 5.7 8.5 1.5
2.9Other 1.0 1.8 1.9
0.9Total 2.4 4.3 1.8
1.9The relative risk for suicidal thoughts or behavior was higher in clinical trials for epilepsy than in clinical trials for psychiatric or other conditions, but the absolute risk differences were similar for the epilepsy and psychiatric indications. Anyone considering prescribing BANZEL or any other AED must balance the risk of suicidal thoughts or behavior with the risk of untreated illness. Epilepsy and many other illnesses for which AEDs are prescribed are themselves associated with morbidity and mortality and an increased risk of suicidal thoughts and behavior.
Should suicidal thoughts and behavior emerge during treatment, consider whether the emergence of these symptoms in any given patient may be related to the illness being treated.
5.2C entral Nervous System Reactions Use of BANZEL has been associated with central nervous system-related adverse reactions in the controlled clinical trial of patients 4 years or older with Lennox-Gastaut Syndrome. The most significant of these can be classified into two general categories: 1) somnolence or fat…
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS The following serious adverse reactions are described below and elsewhere in the labeling: Suicidal Behavior and Ideation [see Warnings and Precautions ( 5.1 )] Central Nervous System Reactions [see Warnings and Precautions ( 5.2 )] QT Shortening [see Warnings and Precautions ( 5.3 )] Multi-Organ Hypersensitivity/Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) [see Warnings and Precautions ( 5.4 )] Leukopenia [see Warnings and Precautions ( 5.7 )] Most common adverse reactions (≥ 10% and greater than placebo) were headache, dizziness, fatigue, somnolence, and nausea ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Eisai Inc. at 1-888-274-2378 or www.banzel.com or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
6.1Clinical 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. Adverse Reactions in Adult and Pediatric Patients ages 3 to 17 years of age In the pooled, double-blind, adjunctive therapy studies in adult and pediatric patients ages 3 to 17 years of age, the most common (≥10%) adverse reactions in BANZEL-treated patients, in all doses studied (200 to 3200 mg per day) with a higher frequency than in patients on placebo were: headache, dizziness, fatigue, somnolence, and nausea.
Table 2 lists adverse reactions that occurred in at least 3% of pediatric patients (ages 3 to less than 17 years) with epilepsy treated with BANZEL in controlled adjunctive studies and were numerically more common in patients treated with BANZEL than in patients on placebo. At the target dose of 45 mg/kg per day for adjunctive therapy in pediatric patients (ages 3 to less than 17 years), the most common (≥3%) adverse reactions with an incidence greater than in placebo for BANZEL were somnolence, vomiting, and headache.
Table 2: Adverse Reactions in Pediatric Patients (Ages 3 to less than 17 years) in Pooled Double-Blind Adjunctive Trials Adverse Reaction BANZEL (N=187) % Placebo (N=182) % Somnolence 17 9 Vomiting 17 7 Headache 16 8 Fatigue 9 8 Dizziness 8 6 Nausea 7 3 Influenza 5 4 Nasopharyngitis 5 3 Decreased Appetite 5 2 Rash 4 2 Ataxia 4 1 Diplopia 4 1 Bronchitis 3 2 Sinusitis 3 2 Psychomotor Hyperactivity 3 1 Upper Abdominal Pain 3 2 Aggression 3 2 Ear Infection 3 1 Disturbance in Attention 3 1 Pruritis 3 0 Table 3 lists adverse reactions that occurred in at least 3% of adult patients with epilepsy treated with BANZEL (up to 3200 mg per day) in adjunctive controlled studies and were numerically more common in patients treated with BANZEL than in patients on placebo.
In these studies, either BANZEL or placebo was added to the current AED therapy. At all doses studied of up to 3200 mg per day given as adjunctive therapy in adults, the most common (≥ 3%) adverse reactions, and with the greatest increase in incidence compared to placebo, for BANZEL were dizziness, fatigue, nausea, diplopia, vision blurred, and ataxia. Table 3: Adverse Reactions in Adults in Pooled Double-Blind Adjunctive Trials Adverse Reaction BANZEL (N=823) % Placebo (N=376) % Headache 27 26 Dizziness 19 12 Fatigue 16 10 Nausea 12 9 Somnolence 11 9 Diplopia 9 3 Tremor 6 5 Nystagmus 6 5 Blurred Vision 6 2 Vomiting 5 4 Ataxia 4 0 Upper Abdominal Pain 3 2 Anxiety 3 2 Constipation 3 2 Dyspepsia 3 2 Back Pain 3 1 Gait Disturbance 3 1 Vertigo 3 1 Discontinuation in Controlled Clinical Studies In controlled, double-blind, adjunctive clinical studies, 9% of pediatric and adult patients receiving BANZEL as adjunctive therapy and 4% receiving placebo discontinued as a result of an adverse reaction.
The adverse reactions most commonly leading to discontinuation of BANZEL (>1%) used as adjunctive therapy were generally similar in adults and pediatric patients. In pediatric patients (ages 4 to less than 17 years) double-blind…
🔄 Drug Interactions ▾
7 D RUG INTERACTION S Patients on valproate should begin at a BANZEL dose lower than 10 mg/kg per day (pediatric patients) or 400 mg per day (adults) ( 7.2 ) Hormonal contraceptives may be less effective with BANZEL; use additional non-hormonal forms of contraception ( 7.3 )
7.1Effects of BANZEL on other AEDs Population pharmacokinetic analysis of average concentration at steady state of carbamazepine, lamotrigine, phenobarbital, phenytoin, topiramate, and valproate showed that typical rufinamide C avss levels had little effect on the pharmacokinetics of other AEDs. Any effects, when they occur, have been more marked in the pediatric population. Table 6 summarizes the drug-drug interactions of BANZEL with other AEDs.
Table 6: Summary of drug-drug interactions of BANZEL with other antiepileptic drugs AED Co-administered Influence of Rufinamide on AED concentration a) Influence of AED on Rufinamide concentration Carbamazepine Decrease by 7 to 13% b) Decrease by 19 to 26% Dependent on dose of carbamazepine Lamotrigine Decrease by 7 to 13% b) No Effect Phenobarbital Increase by 8 to 13% b) Decrease by 25 to 46% c) ’ d) Independent of dose or concentration of phenobarbital Phenytoin Increase by 7 to 21% b) Decrease by 25 to 46% c) ’ d) Independent of dose or concentration of phenytoin Topiramate No Effect No Effect Valproate No Effect Increase by <16 to 70% c) Dependent on concentration of valproate Primidone Not Investigated Decrease by 25 to 46% c) ’ d) Independent of dose or concentration of primidone Benzodiazepines e) Not Investigated No Effect a) Predictions are based on BANZEL concentrations at the maximum recommended dose of BANZEL. b) Maximum changes predicted to be in pediatric patients and in adult patients who achieve significantly higher levels of BANZEL, as the effect of rufinamide on these AEDs is concentration-dependent. c) Larger effects in pediatric patients at high doses/concentrations of AEDs. d) Phenobarbital, primidone and phenytoin were treated as a single covariate (phenobarbital-type inducers) to examine the effect of these agents on BANZEL clearance. e) All compounds of the benzodiazepine class were pooled to examine for ‘class effect’ on BANZEL clearance.
Phenytoin: The decrease in clearance of phenytoin estimated at typical levels of rufinamide (C avss 15 μg/mL) is predicted to increase plasma levels of phenytoin by 7 to 21%. As phenytoin is known to have non-linear pharmacokinetics (clearance becomes saturated at higher doses), it is possible that exposure will be greater than the model prediction.
7.2Effects of Other AEDs on BANZEL Potent cytochrome P450 enzyme inducers, such as carbamazepine, phenytoin, primidone, and phenobarbital, appear to increase the clearance of BANZEL (see Table 6). Given that the majority of clearance of BANZEL is via a non-CYP-dependent route, the observed decreases in blood levels seen with carbamazepine, phenytoin, phenobarbital, and primidone are unlikely to be entirely attributable to induction of a P450 enzyme. Other factors explaining this interaction are not understood.
Any effects, where they occurred, were likely to be more marked in the pediatric population. Valproate Patients stabilized on BANZEL before being prescribed valproate should begin valproate therapy at a low dose, and titrate to a clinically effective dose. Similarly, patients on valproate should begin at a BANZEL dose lower than 10 mg/kg per day (pediatric patients) or 400 mg per day (adults) [ see Dosage and Administration ( 2.5 ) , Clinical Pharmacology ( 12.3 ) ] .
7.3Effects of BANZEL on Hormonal Contraceptives Female patients of childbearing age should be warned that the concurrent use of BANZEL with hormonal contraceptives may render this method of contraception less effective. Additional non-hormonal forms of contraception are recommended when using BANZEL [ see Use in Specific Populations ( 8.3 ), Clinical Pharmacology ( 12.3 ) and Patient Counseling Information ( 17 ) ] .
👥 Use in Specific Populations ▾
8 U SE IN S PECIFIC P OPULATIONS Pregnancy: Based on animal data, may cause fetal harm. ( 8.1 ) Renal impairment: Consider adjusting the BANZEL dose for the loss of drug upon dialysis ( 8.6 ) Not recommended in patients with severe hepatic impairment ( 8.7 )
8.1P regnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to AEDs, such as BANZEL, during pregnancy. Encourage women who are taking BANZEL during pregnancy to enroll in the North American Antiepileptic Drug (NAAED) Pregnancy Registry by calling 1-888-233-2334 or visiting http://www.aedpregnancyregistry.org Risk Summary There are no adequate data on the developmental risks associated with use of BANZEL in pregnant women. In animal reproduction studies, oral administration of rufinamide resulted in developmental toxicity in pregnant rats and rabbits at clinically relevant doses [see 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 of major birth defects and miscarriage for the indicated population is unknown. Data Animal data Oral administration of rufinamide (0, 20, 100, or 300 mg/kg/day) to pregnant rats throughout organogenesis resulted in decreased fetal weight and increased incidence of fetal skeletal abnormalities at 100 and 300 mg/kg/day, which were associated with maternal toxicity.
The maternal plasma exposure (AUC) at the no-adverse effect dose (20 mg/kg/day) for developmental toxicity was less than that in humans at the maximum recommended human dose (MRHD) of 3200 mg/day. Oral administration of rufinamide (0, 30, 200, or 1000 mg/kg/day) to pregnant rabbits throughout organogenesis resulted in embryofetal death, decreased fetal body weight, and increased incidence of fetal visceral and skeletal abnormalities at doses of 200 and 1000 mg/kg/day. The high dose (1000 mg/kg/day) was associated with abortion.
Plasma exposure (AUC) at the no-adverse effect dose (30 mg/kg/day) was less than that in humans at the MRHD. When rufinamide was orally administered (0, 5, 30, or 150 mg/kg/day) to pregnant rats throughout pregnancy and lactation, decreased offspring growth and survival were observed at all doses tested. A no-effect dose for adverse effects on pre- and postnatal development was not established.
At the lowest dose tested (5 mg/kg/day), plasma exposure (AUC) was less than that in humans at the MRHD.
8.2Lactation Risk Summary There are no data on the presence of rufinamide in human milk, the effects on the breastfed infant, or the effects of the drug on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for BANZEL and any potential adverse effects on the breastfed infant from BANZEL or from the underlying maternal condition.
8.3Females and Males of Reproductive Potential Contraception Use of BANZEL may reduce the effectiveness of hormonal contraceptives containing ethinyl estradiol or norethindrone. Advise women of reproductive potential taking BANZEL who are using a contraceptive containing ethinyl estradiol and norethindrone to use an additional non-hormonal form of contraception [see Drug Interactions ( 7.3 ) and Clinical Pharmacology ( 12.3 )] . Infertility The effect of rufinamide on fertility in humans has not been established.
Oral administration of rufinamide (20, 60, 200, and 600 mg/kg/day) to male and female rats prior to mating, during mating, and during early gestation (females only) resulted in the impairment of fertility at all dose levels tested. The no-effect dose was not established. The plasma exposure level at 20 mg/kg was approximately 0.2 times the human plasma AUC at the MRHD [see Nonclinical Toxicology ( 13.1 )].
8.4Pediatric Use Safety and effectiveness have been established in pediatric patients 1 to 17 years of age. The effectiveness of BA…
🤰 Pregnancy ▾
8.1P regnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to AEDs, such as BANZEL, during pregnancy. Encourage women who are taking BANZEL during pregnancy to enroll in the North American Antiepileptic Drug (NAAED) Pregnancy Registry by calling 1-888-233-2334 or visiting http://www.aedpregnancyregistry.org Risk Summary There are no adequate data on the developmental risks associated with use of BANZEL in pregnant women. In animal reproduction studies, oral administration of rufinamide resulted in developmental toxicity in pregnant rats and rabbits at clinically relevant doses [see 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 of major birth defects and miscarriage for the indicated population is unknown. Data Animal data Oral administration of rufinamide (0, 20, 100, or 300 mg/kg/day) to pregnant rats throughout organogenesis resulted in decreased fetal weight and increased incidence of fetal skeletal abnormalities at 100 and 300 mg/kg/day, which were associated with maternal toxicity.
The maternal plasma exposure (AUC) at the no-adverse effect dose (20 mg/kg/day) for developmental toxicity was less than that in humans at the maximum recommended human dose (MRHD) of 3200 mg/day. Oral administration of rufinamide (0, 30, 200, or 1000 mg/kg/day) to pregnant rabbits throughout organogenesis resulted in embryofetal death, decreased fetal body weight, and increased incidence of fetal visceral and skeletal abnormalities at doses of 200 and 1000 mg/kg/day. The high dose (1000 mg/kg/day) was associated with abortion.
Plasma exposure (AUC) at the no-adverse effect dose (30 mg/kg/day) was less than that in humans at the MRHD. When rufinamide was orally administered (0, 5, 30, or 150 mg/kg/day) to pregnant rats throughout pregnancy and lactation, decreased offspring growth and survival were observed at all doses tested. A no-effect dose for adverse effects on pre- and postnatal development was not established.
At the lowest dose tested (5 mg/kg/day), plasma exposure (AUC) was less than that in humans at the MRHD.
🧒 Pediatric Use ▾
8.4Pediatric Use Safety and effectiveness have been established in pediatric patients 1 to 17 years of age. The effectiveness of BANZEL in pediatric patients 4 years of age and older was based upon an adequate and well-controlled trial of BANZEL that included both adults and pediatric patients, 4 years of age and older, with Lennox-Gastaut Syndrome. The effectiveness in patients 1 to less than 4 years was based upon a bridging pharmacokinetic and safety study [see Dosage and Administration ( 2.1 ), Adverse Reactions ( 6.1 ), and Clinical Studies ( 14 )].
The pharmacokinetics of rufinamide in the pediatric patients, ages 1 to less than 4 years of age is similar to children older than 4 years of age and adults [ see Clinical Pharmacology ( 12.3 ) ] . Safety and effectiveness in pediatric patients below the age of 1 year has not been established. Oral administration of rufinamide (0, 15, 50, or 150 mg/kg) to young rats for 10 weeks starting on postnatal day 7 resulted in decreased brain weights at the mid and high doses and neurobehavioral impairment (learning and memory deficit, altered startle response, decreased locomotor activity) and decreased growth (decreased body weight) at the highest dose tested.
The no-effect dose for adverse effects on postnatal development in rats (15 mg/kg) was associated with a plasma exposure (AUC) lower than that in humans at the maximum recommended human dose (MRHD) of 3200 mg/day.
🧓 Geriatric Use ▾
8.5Geriatric Use Clinical studies of BANZEL did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. 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. Pharmacokinetics of rufinamide in the elderly are similar to that in the young subjects [ s ee Clinical Pharmacology ( 12.3 ) ] .
🆘 Overdosage ▾
10 O VERDOSAGE Because strategies for the management of overdose are continually evolving, it is advisable to contact a Certified Poison Control Center to determine the latest recommendations for the management of an overdose of any drug. One overdose of 7200 mg per day BANZEL was reported in an adult during the clinical trials. The overdose was associated with no major signs or symptoms, no medical intervention was required, and the patient continued in the study at the target dose.
Treatment or Management of Overdose: There is no specific antidote for overdose with BANZEL. If clinically indicated, elimination of unabsorbed drug should be attempted by induction of emesis or gastric lavage. Usual precautions should be observed to maintain the airway.
General supportive care of the patient is indicated including monitoring of vital signs and observation of the clinical status of the patient. Hemodialysis: Standard hemodialysis procedures may result in limited clearance of rufinamide. Although there is no experience to date in treating overdose with hemodialysis, the procedure may be considered when indicated by the patient’s clinical state.
🧬 Clinical Pharmacology ▾
12 C LINICAL P HARMACOLOGY
12.1Mechanism of Action The precise mechanism(s) by which rufinamide exerts its antiepileptic effect is unknown. The results of in vitro studies suggest that the principal mechanism of action of rufinamide is modulation of the activity of sodium channels and, in particular, prolongation of the inactive state of the channel. Rufinamide (≥ 1 μM) significantly slowed sodium channel recovery from inactivation after a prolonged prepulse in cultured cortical neurons, and limited sustained repetitive firing of sodium-dependent action potentials (EC 50 of 3.8 μM).
12.3Pharmacokinetics Overview BANZEL oral suspension is bioequivalent on a mg per mg basis to BANZEL tablets. BANZEL is well absorbed after oral administration. However, the rate of absorption is relatively slow and the extent of absorption is decreased as dose is increased.
The pharmacokinetics does not change with multiple dosing. Most elimination of rufinamide is via metabolism, with the primary metabolite resulting from enzymatic hydrolysis of the carboxamide moiety to form the carboxylic acid. This metabolic route is not cytochrome P450 dependent.
There are no known active metabolites. Plasma half-life of rufinamide is approximately 6-10 hours. Absorption and Distribution Following oral administration of BANZEL, peak plasma concentrations occur between 4 and 6 hours (T max ) both under fed and fasted conditions.
BANZEL tablets display decreasing bioavailability with increasing dose after single and multiple dose administration. Based on urinary excretion, the extent of absorption was at least 85% following oral administration of a single dose of 600 mg rufinamide tablet under fed conditions. Multiple dose pharmacokinetics can be predicted from single dose data for both rufinamide and its metabolite.
Given the dosing frequency of every 12 hours and the half-life of 6 to 10 hours, the observed steady-state peak concentration of about two to three times the peak concentration after a single dose is expected. Food increased the extent of absorption of rufinamide in healthy volunteers by 34% and increased peak exposure by 56% after a single dose of 400 mg tablet, although the T max was not elevated [ see Dosage and Administration ( 2.2 )] . Only a small fraction of rufinamide (34%) is bound to human serum proteins, predominantly to albumin (27%), giving little risk of displacement drug-drug interactions.
Rufinamide was evenly distributed between erythrocytes and plasma. The apparent volume of distribution is dependent upon dose and varies with body surface area. The apparent volume of distribution was about 50 L at 3200 mg per day.
Metabolism Rufinamide is extensively metabolized but has no active metabolites. Following a radiolabeled dose of rufinamide, less than 2% of the dose was recovered unchanged in urine. The primary biotransformation pathway is carboxylesterase(s) mediated hydrolysis of the carboxamide group to the acid derivative CGP 47292.
A few minor additional metabolites were detected in urine, which appeared to be acyl-glucuronides of CGP 47292. There is no involvement of oxidizing cytochrome P450 enzymes or glutathione in the biotransformation process. Rufinamide is a weak inhibitor of CYP 2E1.
It did not show significant inhibition of other CYP enzymes. Rufinamide is a weak inducer of CYP 3A4 enzymes. Rufinamide did not show any significant inhibition of P-glycoprotein in an in vitro study.
Elimination/Excretion Renal excretion is the predominant route of elimination for drug related material, accounting for 85% of the dose based on a radiolabeled study. Of the metabolites identified in urine, at least 66% of the rufinamide dose was excreted as the acid metabolite CGP 47292, with 2% of the dose excreted as rufinamide. The plasma elimination half-life is approximately 6-10 hours in healthy subjects and patients with epilepsy.
Special Populations Age Pediatrics Based on a population analysis which included a total of 115 patients, i…
🧬 Mechanism of Action ▾
12.1Mechanism of Action The precise mechanism(s) by which rufinamide exerts its antiepileptic effect is unknown. The results of in vitro studies suggest that the principal mechanism of action of rufinamide is modulation of the activity of sodium channels and, in particular, prolongation of the inactive state of the channel. Rufinamide (≥ 1 μM) significantly slowed sodium channel recovery from inactivation after a prolonged prepulse in cultured cortical neurons, and limited sustained repetitive firing of sodium-dependent action potentials (EC 50 of 3.8 μM).
📦 How Supplied / Storage and Handling ▾
16 H OW S UPPLIED /S TORAGE AND H ANDLING Tablet Imprint
16.1How Supplied BANZEL 200 mg tablets (containing 200 mg rufinamide) are pink in color, film-coated, oblong-shape tablets, with a score on both sides, imprinted with “ 262” on one side. They are available in bottles of 120 (NDC 62856-582-52). BANZEL 400 mg tablets (containing 400 mg rufinamide) are pink in color, film-coated, oblong-shape tablets, with a score on both sides, imprinted with “ 263” on one side.
They are available in bottles of 120 (NDC 62856-583-52). BANZEL oral suspension is an orange flavored liquid supplied in a polyethylene terephthalate (PET) bottle with child-resistant closure. The oral suspension is packaged with a dispenser set which contains a calibrated oral dosing syringe and an adapter.
Store the oral suspension in an upright position. Use within 90 days of first opening the bottle, then discard any remainder. The oral suspension is available in bottles of 460 mL (NDC 62856-584-46).
16.2Storage and Handling Store the tablets at 25ºC (77ºF); excursions permitted to 15º- 30ºC (59ºF - 86ºF). Protect from moisture. Replace cap securely after opening. Store the oral suspension at 25ºC (77ºF); excursions permitted to 15º- 30ºC (59ºF - 86ºF). Replace cap securely after opening. The cap fits properly in place when the adapter is in place.
16.1How Supplied BANZEL 200 mg tablets (containing 200 mg rufinamide) are pink in color, film-coated, oblong-shape tablets, with a score on both sides, imprinted with “ 262” on one side. They are available in bottles of 120 (NDC 62856-582-52). BANZEL 400 mg tablets (containing 400 mg rufinamide) are pink in color, film-coated, oblong-shape tablets, with a score on both sides, imprinted with “ 263” on one side.
They are available in bottles of 120 (NDC 62856-583-52). BANZEL oral suspension is an orange flavored liquid supplied in a polyethylene terephthalate (PET) bottle with child-resistant closure. The oral suspension is packaged with a dispenser set which contains a calibrated oral dosing syringe and an adapter.
Store the oral suspension in an upright position. Use within 90 days of first opening the bottle, then discard any remainder. The oral suspension is available in bottles of 460 mL (NDC 62856-584-46).
📦 Storage and Handling ▾
16.2Storage and Handling Store the tablets at 25ºC (77ºF); excursions permitted to 15º- 30ºC (59ºF - 86ºF). Protect from moisture. Replace cap securely after opening. Store the oral suspension at 25ºC (77ºF); excursions permitted to 15º- 30ºC (59ºF - 86ºF). Replace cap securely after opening. The cap fits properly in place when the adapter is in place.
📋 Description ▾
11 DESCRIPTION BANZEL (rufinamide) is a triazole derivative structurally unrelated to currently marketed antiepileptic drugs (AEDs). Rufinamide has the chemical name 1-[(2,6-difluorophenyl)methyl]-1 H -1,2,3-triazole-4 carboxamide. It has an empirical formula of C 10 H 8 F 2 N 4 O and a molecular weight of 238.2.
The drug substance is a white, crystalline, odorless, and slightly bitter tasting neutral powder. Rufinamide is practically insoluble in water, slightly soluble in tetrahydrofuran and in methanol, and very slightly soluble in ethanol and in acetonitrile. BANZEL is available for oral administration in film-coated tablets, scored on both sides, containing 200 and 400 mg of rufinamide.
Inactive ingredients are colloidal silicon dioxide, corn starch crosscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and sodium lauryl sulphate. The film coating contains hypromellose, iron oxide red, polyethylene glycol, talc, and titanium dioxide. BANZEL is also available for oral administration as a liquid containing rufinamide at a concentration of 40 mg/mL.
Inactive ingredients include microcrystalline cellulose and carboxymethylcellulose sodium, hydroxyethylcellulose, anhydrous citric acid, simethicone emulsion 30%, poloxamer 188, methylparaben, propylparaben, propylene glycol, potassium sorbate, noncrystallizing sorbitol solution 70%, and an orange flavor. BANZEL (rufinamide)
💬 Information for Patients ▾
17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling ( Medication Guide and Instructions for Use ). Administration Information Advise patients to take BANZEL with food [see Dosage and Administration ( 2.2 )] . Advise patients who are prescribed the oral suspension to shake the bottle vigorously before every administration and to use the adaptor and oral dosing syringe [see Dosage and Administration ( 2.2 )] .
Suicidal Thinking and Behavior Inform patients, their caregivers, and families that antiepileptic drugs increase the risk of suicidal thoughts and behavior and should be advised of the need to be alert for the emergence or worsening of the signs and symptoms of depression, any unusual changes in mood or behavior, or the emergence of suicidal thoughts, behavior, or thoughts about self-harm. Behaviors of concern should be reported immediately to healthcare providers [see Warnings and Precautions ( 5.1 )] . Central Nervous System Reactions Inform patients about the potential for somnolence or dizziness and advise them not to drive or operate machinery until they have gained sufficient experience on BANZEL to gauge whether it adversely affects their mental and/or motor performance [see Warnings and Precautions ( 5.2 )] .
Multi-Organ Hypersensitivity Reactions Advise patients to notify their physician if they experience a rash associated with fever [see Warnings and Precautions ( 5.4 )] . Drug Interactions Inform female patients of childbearing age that the concurrent use of BANZEL with hormonal contraceptives may render this method of contraception less effective. Recommend patients use additional non-hormonal forms of contraception when using BANZEL [see Drug Interactions ( 7.3 ) and Use in Specific Populations ( 8.3 ) ] .
Inform patients that alcohol in combination with BANZEL may cause additive central nervous system effects. Pregnancy Advise patients to notify their physician if they become pregnant or intend to become pregnant during therapy. Encourage patients to enroll in the North American Antiepileptic Drug Pregnancy Registry if they become pregnant.
To enroll, patients can call the toll free number 1-888-233-2334 [ see Use in Specific Populations ( 8.1 ) ] . Breast-feeding Advise patients to notify their physician if they are breast-feeding or intend to breast-feed [see Use in Specific Populations ( 8.2 )] .
💬 Medication Guide ▾
Medication Guide BANZEL (ban-‘zel) [rufinamide] Tablets and Oral Suspension Read this Medication Guide before you start taking BANZEL and each time you get a refill. There may be new information. This information does not take the place of talking to your healthcare provider about your medical condition or treatment.
What is the most important information I should know about BANZEL? Do not stop taking BANZEL without first talking to your healthcare provider. Stopping BANZEL suddenly can cause serious problems.
BANZEL can cause serious side effects, including: 1. Like other antiepileptic drugs, BANZEL may cause suicidal thoughts or actions in a very small number of people, about 1 in 500. Call a healthcare provider right away if you have any of these symptoms, especially if they are new, worse, or worry you: thoughts about suicide or dying attempt to commit suicide new or worse depression new or worse anxiety feeling agitated or restless panic attacks trouble sleeping (insomnia) new or worse irritability acting aggressive, being angry, or violent acting on dangerous impulses an extreme increase in activity and talking (mania) other unusual changes in behavior or mood Suicidal thoughts or actions can be caused by things other than medicines.
If you have suicidal thoughts or actions, your healthcare provider may check for other causes. How can I watch for early symptoms of suicidal thoughts and actions? Pay attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings.
Keep all follow-up visits with your healthcare provider as scheduled. Call your healthcare provider between visits as needed, especially if you are worried about symptoms. Do not stop BANZEL without first talking to a healthcare provider.
Stopping BANZEL suddenly can cause serious problems. Stopping a seizure medicine suddenly in a patient who has epilepsy can cause seizures that will not stop (status epilepticus). 2.
BANZEL may cause you to feel sleepy, tired, weak, dizzy , or have problems with coordination and walking. What is BANZEL? BANZEL is a prescription medicine used with other medicines to treat seizures associated with Lennox-Gastaut Syndrome (LGS) in adults and pediatric patients 1 year of age and older.
It is not known if BANZEL is safe and effective in the treatment of Lennox-Gastaut Syndrome in pediatric patients under 1 year of age. Who should not take BANZEL? Do not take BANZEL if you have a genetic condition called familial short QT syndrome, a problem that affects the electrical system of the heart.
What should I tell my healthcare provider before taking BANZEL? Before you take BANZEL, tell your healthcare provider if you: have heart problems have liver problems have any other medical problems have or have had suicidal thoughts or actions, depression or mood problems are pregnant or plan to become pregnant. It is not known if BANZEL can harm your unborn baby.
Tell your healthcare provider right away if you become pregnant while taking BANZEL. You and your healthcare provider will decide if you should take BANZEL while you are pregnant. BANZEL may make certain types of birth control less effective.
Talk to your healthcare provider about the best birth control methods for you while you take BANZEL. ○ If you become pregnant while taking BANZEL, talk to your healthcare provider about registering with the North American Antiepileptic Drug Pregnancy Registry. You can enroll in this registry by calling 1-888-233-2334. The purpose of this registry is to collect information about the safety of antiepileptic medicines during pregnancy. are breastfeeding or plan to breastfeed.
It is not known if BANZEL will pass into your breast milk. Talk to your healthcare provider about the best way to feed your baby if you take BANZEL. Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.
Taking BANZEL with certain other medicines can cause…