SK Biopharmaceuticals Co., Ltd., a pharmaceutical company, engages in the research, discovery, and development of drugs for the treatment of central nervous system disorders. The company is developing Cenobamate for the treatment of epilepsy; Solriamfetol for the treatment of excessive daytime sleepiness in narcolepsy or obstructive sleep apneal; Carisbamate that is in Phase 1b/2 trials to treat lennox-gastaut syndrome; and Relenopride, which is in Phase 2 clinical trials to treat rare neurological disease. It is also developing SKL13865 that is in Phase 1 clinical trials to treat attention deficit/hyperactivity disorder; SKL20540, which is in Phase 1 clinical trials for the treatment of schizophrenia; SKL-PSY that is in Phase 1 clinical trials to treat bipolar disorder; and SKL24741, which is in Phase 1 clinical trials for the treatment of epilepsy. The company was founded in 2011 and is headquartered in Seongnam, South Korea. SK Biopharmaceuticals Co., Ltd. operates as subsidiary of SK Inc.