The analysis revealed that the nervous system was the most impacted, with dizziness, somnolence, headache, and seizures being the most frequently reported treatment-related adverse events (TRAEs).The results of these trials suggest that ganaxolone may be effective in reducing seizure frequency in patients with various types of epilepsy, including CDKL5 deficiency disorder, Lennox-Gastaut syndrome, and Protocadherin 19. Here, PCDH19 is linked to epilepsy.