Zevra Therapeutics, Inc. is a commercial-stage company focused on addressing unmet needs in rare disease treatment in the United States. It develops products through its Ligand Activated Technology platform. Its lead candidate, KP1077, includes KP1077IH in Phase 3 trials for idiopathic hypersomnia and KP1077N in Phase 3 trials for narcolepsy. The company is also developing Celiprolol for vascular Ehlers-Danlos syndrome in Phase 3 trials. It offers AZSTARYS for ADHD, OLPRUVA for urea cycle disorders, and MIPLYFFA for Niemann-Pick disease type C. The company has collaboration and license agreements with Commave Therapeutics SA and license agreements with Acer and Relief Therapeutics, Inc. Formerly KemPharm, Inc., it changed its name to Zevra Therapeutics, Inc. in February 2023. Incorporated in 2006, it is headquartered in Boston, Massachusetts.