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Banzel

Last reviewed on RxList: 8/20/2020
Banzel Side Effects Center

What Is Banzel?

Banzel (rufinamide) is an anti-epileptic medication (anticonvulsant) used in combination with other medications to treat children with Lennox-Gastaut syndrome, a severe form of childhood epilepsy that also causes developmental and behavior problems.

What Are Side Effects of Banzel?

Common side effects of Banzel include:

Dosage for Banzel

The starting daily dose of Banzel for children four years and older is 10 mg/kg/day taken in two equally divided doses. The dose is increased approximately 10 mg/kg every other day to 45 mg/kg/day or 3200 mg/day, whichever is less, taken in two equally divided doses. The adult starting daily dose is 400-800 mg/day taken in two equally divided doses. The dose is increased by 400-800 mg every other day to 3200 mg/day, administered in two equally divided doses.

What Drugs, Substances, or Supplements Interact with Banzel?

Banzel may interact with carbamazepine, phenobarbital, phenytoin, or valproic acid. Tell your doctor all medications you use.

Banzel During Pregnancy and Breastfeeding

During pregnancy, Banzel should be used only when prescribed. This medication may pass into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Banzel (rufinamide) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

SLIDESHOW

Epilepsy: Symptoms, Causes and Treatment See Slideshow
Banzel Consumer Information

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Seek medical treatment if you have a serious drug reaction that can affect many parts of your body. Symptoms may include: skin rash, fever, swollen glands, muscle aches, severe weakness, unusual bruising, or yellowing of your skin or eyes.

Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, depression, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, agitated, hostile, aggressive, restless, irritable, hyperactive, talkative, or have thoughts about suicide or hurting yourself.

Call your doctor at once if you have:

  • loss of balance or coordination;
  • trouble walking; or
  • worsening or increased seizures.

Common side effects may include:

  • headache;
  • dizziness, drowsiness;
  • nausea; or
  • feeling tired.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Banzel (Rufinamide Tablets)

IMAGES

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Banzel Professional Information

SIDE EFFECTS

The following serious adverse reactions are described below and elsewhere in the labeling:

  • Suicidal Behavior and Ideation [see WARNINGS AND PRECAUTIONS]
  • Central Nervous System Reactions [see WARNINGS AND PRECAUTIONS]
  • QT Shortening [see WARNINGS AND PRECAUTIONS]
  • Multi-Organ Hypersensitivity/Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) [see WARNINGS AND PRECAUTIONS]
  • Leukopenia [see WARNINGS AND PRECAUTIONS]

Clinical 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 adjunctive clinical studies, 8% of patients receiving BANZEL as adjunctive therapy (at the recommended dose of 45 mg/kg per day) and 2% 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 are presented in Table 4.

Table 4: Most Common Adverse Reactions Leading to Discontinuation in Pediatric Patients (Ages 4 to less than 17 years) in Pooled Double-Blind Adjunctive Trials

Adverse Reaction BANZEL
(N=187) %
Placebo
(N=182) %
Convulsion 2 1
Rash 2 1
Fatigue 2 0
Vomiting 1 0

In adult double-blind, adjunctive clinical studies, 10% of patients receiving BANZEL as adjunctive therapy (at doses up to 3200 mg per day) and 6% 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 are presented in Table 5.

Table 5: Most Common Adverse Reactions Leading to Discontinuation in Adult Patients in Pooled Double-Blind Adjunctive Trials

Adverse Reaction BANZEL
(N=823) %
Placebo
(N=376) %
Dizziness 3 1
Fatigue 2 1
Headache 2 1
Nausea 1 0
Ataxia 1 0

Pediatric Patients Ages 1 To Less Than 4 Years

In a multicenter, parallel group, open-label study comparing BANZEL (45 mg/kg per day) adjunctive treatment (n=25) to the adjunctive treatment with an AED of the investigator's choice (n=11) in pediatric patients (1 year to less than 4 years of age) with inadequately controlled Lennox-Gastaut Syndrome, the adverse reaction profile was generally similar to that observed in adults and pediatric patients 4 years of age and older treated with BANZEL. Adverse reactions that occurred in at least 2 (8 %) BANZEL-treated patients and with a higher frequency than in the AED comparator group were: vomiting (24%), somnolence (16%), bronchitis (12%), constipation (12%), cough (12%), decreased appetite (12%), rash (12%), otitis media (8%), pneumonia (8%), decreased weight (8%), gastroenteritis (8%), nasal congestion (8%), and pneumonia aspiration (8%).

Other Adverse Reactions Observed During Clinical Trials

BANZEL has been administered to 1978 individuals during all epilepsy clinical trials (placebo-controlled and open-label). Adverse reactions occurring during these studies were recorded by the investigators using terminology of their own choosing. To provide a meaningful estimate of the proportion of patients having adverse reactions, these events were grouped into standardized categories using the MedDRA dictionary. Adverse events occurring at least three times and considered possibly related to treatment are included in the System Organ Class listings below. Terms not included in the listings are those already included in the tables above, those too general to be informative, those related to procedures, and terms describing events common in the population. Some events occurring fewer than 3 times are also included based on their medical significance. Because the reports include events observed in open-label, uncontrolled observations, the role of BANZEL in their causation cannot be reliably determined.

Events are classified by body system and listed in order of decreasing frequency as follows: frequent adverse events - those occurring in at least 1/100 patients; infrequent adverse events - those occurring in 1/100 to 1/1000 patients; rare - those occurring in fewer than 1/1000 patients.

Blood and Lymphatic System Disorders: Frequent: anemia. Infrequent: lymphadenopathy, leukopenia, neutropenia, iron deficiency anemia, thrombocytopenia.

Cardiac Disorders: Infrequent: bundle branch block right, atrioventricular block first degree.

Metabolic and Nutritional Disorders: Frequent: decreased appetite, increased appetite.

Renal and Urinary Disorders: Frequent: pollakiuria. Infrequent: urinary incontinence, dysuria, hematuria, nephrolithiasis, polyuria, enuresis, nocturia, incontinence.

Postmarketing Experience

The following adverse reactions have been identified during post approval use of BANZEL. 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.

Dermatologic

Stevens-Johnson syndrome and other serious skin rashes with mucosal involvement.

Read the entire FDA prescribing information for Banzel (Rufinamide Tablets)

QUESTION

If you have had a seizure, it means you have epilepsy. See Answer
Related Resources for Banzel

Related Health

Read the Banzel User Reviews »

© Banzel Patient Information is supplied by Cerner Multum, Inc. and Banzel Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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