Provided are oligomeric agents, oligomeric compounds, methods, and pharmaceutical compositions for reducing the amount or activity of Protocadherin 19 (PCDH19)
RNA in a
cell or subject, and in certain instances reducing the amount of PCDH19
protein in a
cell or subject. Such oligomeric agents, oligomeric compounds, methods, and pharmaceutical compositions are useful to ameliorate at least one symptom or hallmark of a neurodevelopmental
disease or disorder. Such neurodevelopmental diseases or disorders include PCDH19
Epilepsy. Such symptoms or hallmarks include seizures,
cognitive impairment, intellectual disabilities,
autism spectrum disorder, behavioral problems, aggression,
anxiety, obsessive-compulsive disorder, hyperactivity,
attention deficit disorder (ADD), and
attention deficit hyperactivity disorder (ADHD).