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Brand-to-generic oxcarbazepine switch - A prospective observational study
Magdalena Bosak1, Agnieszka Słowik1, Tomasz Dziedzic1
1Dept. of Neurology, Jagiellonian University Medical College, Krakow, Poland.
Epilepsy Research
|March 6, 2019
Summary
Switching from brand-name oxcarbazepine (OXC) to generic OXC is safe for epilepsy patients. This study found no increased seizure frequency or adverse events after the switch, supporting generic oxcarbazepine use.
Area of Science:
- Clinical Neurology
- Pharmacoeconomics
Background:
- Epilepsy management relies on antiepileptic drugs (AEDs) like oxcarbazepine (OXC).
- Significant price increases in brand-name OXC in Poland prompted an investigation into generic substitution.
- Patient financial constraints may necessitate switching from branded to generic AEDs.
Purpose of the Study:
- To evaluate the clinical outcomes of switching from brand-name to generic oxcarbazepine (OXC) in epilepsy patients.
- To assess the safety and efficacy of generic OXC compared to brand-name OXC.
Main Methods:
- Prospective observational study of 103 epilepsy patients on OXC.
- Patients were monitored after a significant price increase of brand-name OXC.
- Comparison of seizure frequency and adverse events between patients who switched to generic OXC and those who continued brand-name OXC.
Main Results:
- 74% of patients switched to generic oxcarbazepine due to cost.
- No significant differences were observed in seizure frequency between groups.
- No significant differences were observed in adverse events between groups.
Conclusions:
- Switching from brand-name to generic oxcarbazepine appears safe for epilepsy patients.
- Further large-scale prospective studies are needed to validate these findings.
- Generic oxcarbazepine represents a viable and safe alternative for epilepsy management.
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