In the 80 billion Anticonvulsant market, Topiramate-based treatments form 30 billion units, leading the market. The epilepsy drug consists of about 10 components, including Topiramate, Lamotrigine, sodium Valproate, Oxcarbazepine, and Perampanel. According to the drug distribution performance data, as of last year, the performance of Lamotrigine, sodium valproate, Oxcarbazepine, and Perampanel drugs was 14.9 billion won, 10.4 billion won, 7.6 billion won, and 4.5 billion won, respectively. It is also notable that the rest of the formulations, excluding topiramate, show an annual growth rate of around 100 million won to 300 million won.

About 10 products of Topiramate formulations have been released, for