Leading pharma companies such as Epygenix, Xenon Pharmaceuticals, Longboard Pharmaceuticals, Stoke Therapeutics, Takeda/Ovid Therapeutics, SK Life Science, Neurocrine Biosciences, Praxis Precision Medicines, Jazz Pharmaceuticals, Biocodex, Zogenix (Acquired by UCB), Lundbeck, Marinus Pharmaceuticals, Novartis, Aquestive Therapeutics, Supernus Pharmaceuticals, Lundbeck, Eisai Pharmaceuticals, GlaxoSmithKline, Meda Pharmaceuticals, Roche, Questcor Pharmaceuticals, Mallinckrodt Pharmaceuticals, BioPharm Solutions, and others are working on developing a novel approach to treating Developmental Epileptic Encephalopathy.