Indications
Monotherapy
- In the treatment of partial onset seizures with or without secondary generalization in patients from 16 years of age with newly diagnosed epilepsy.
Adjunctive therapy
- In the treatment of partial onset seizures with or without secondary generalization in adults, children from 12 years of age with epilepsy.
- In the treatment of myoclonic seizures in adults and adolescents from 12 years of age with juvenile myoclonic epilepsy.
- In the treatment of primary generalized tonic-clonic seizures in adults and children from 12 years of age with idiopathic generalized epilepsy.
Dosage
Monotherapy
- Patients from 16 years of age: Start with 250 mg twice daily which should be increased to 500 mg twice daily after 2 weeks. The dose can be further increased by 250 mg twice daily every 2 weeks depending upon the clinical response. The maximum dose is 1500 mg twice daily.
Adjunctive therapy
- Adults (≥ 18 years) and adolescents (12 – 17 years) weighing 50 kg or more: The initial therapeutic dose is 500 mg twice daily, the daily dose can be increased up to 1500 mg twice daily. Dose changes can be made in 500 mg twice daily increases every 2 to 4 weeks.
- Elderly (65 years and older) and patients with renal impairment: The daily dose must be individualized according to renal function.
- Clcr > 80 ml/min: 500 – 1500 mg daily, each 12 hours.
- Clcr = 50 – 79 ml/min: 500 – 1000 mg daily, each 12 hours.
- Clcr = 30 – 49 ml/min: 250 – 750 mg daily, each 12 hours.
- Clcr < 30 ml/min: 250 – 500 mg daily, each 12 hours.
End-stage renal disease – Patients using dialysis: 500 – 1000 mg daily, each 24 hours. Following dialysis, a 250 to 500 mg supplemental dose is recommended.
Usage
- Levetstad 500 must be taken orally, swallowed with a sufficient quantity of water and may be taken with or without food.