Epilepsy Information

Rufinamide


Commercial names and formulations:
Brand name: Banzel
Formulation: Tablet, Oral Suspension

Years on the market:
In the US since 2008

How to store it?
Store at room temperature

What does the body do to the medication?

Can I take it with food?
Yes, and it should be taken with food since this improves absorption

How long does it take to get to the blood after I take it?
4-6 hours

How long does it take to start having a steady effect?
2 days

Can this medication be started at a high dose or it has to be started gradually?
Gradually

How long does it stay in the body?
About ½ day

How is it eliminated?
Not metabolized by the major liver enzymes.  Kidneys

What does the medication do to the body?

Type of epilepsy that helps:
Lennox-Gastaut Syndrome

FDA approved for:
In combination with other medications for Lennox-Gastaut syndrome in adults and children >4 years

Common side effects:
Skin: rash, itching
Bones: none
Blood: decrease in white blood cells
Liver: none
Kidneys: none
Stomach and intestines: vomiting, nausea, flu like symptoms, decreased appetite, abdominal pain
Heart: none
Brain: drowsiness, headache, tiredness, dizziness, difficulty with coordination, attention problems
Mood: aggression
Others: runny nose, blurry vision, bronchitis, sinus infection, ear infection

Serious side effects:
Risk of suicidal thoughts or behavior

What happens if I get too much of it (intoxication)?
Take this medication only as prescribed.  Symptoms of a Banzel overdose are not known.

What happens if I stop it suddenly (withdrawal)?
As with most of the anti-epileptic medications, Banzel should not be stopped suddenly.  This may cause an increase in the number of seizures or the severity of the seizures.

Who should not take this medication?
Patients with a known Familial Short QT syndrome (a very rare heart syndrome) or known allergies to this medication.

What is the average dose and how many times a day should be given?
Children: initial 10 mg/kg/day (in divided doses), target dose of 45 mg/kg/day (in divided doses)
Adults: initial 400-800 mg/day (in divided doses), maximum dose of 3200 mg/day (in divided doses)

Does the body get used to the medication?
Yes

Medications to be careful with:

Other AEDs that can increase the blood level of Banzel:
Valproic Acid

Other AEDs that can decrease the blood level of Banzel:
Carbamazepine, Phenytoin, Phenobarbital, Primidone

Other drug interactions:
Banzel may decrease the effectiveness of hormonal contraceptives.

Blood work required?

How often?
No

Normal range
Not commonly used

Women’s health

Affects contraceptives?
Yes

Affect fertility?
Unknown

Are safe in pregnancy?
Unknown.

Category
Pregnancy Category C

Can breastfeed?
Banzel has been shown to be excreted in breast milk and it’s effect on the nursing child is unknown. The multiple benefits of breastfeeding need to be weighed against the probable small, but unknown, risks of the baby getting some limited amount of the medication.  The baby needs to be watched closely for excessive sleepiness and poor feeding.

Affect bones (osteoporosis)?
No

Men’s health

Affects sexual performance?
No

Affects fertility?
Unknown

Use other than epilepsy:
None

Back