- Business
- SK Biopharmaceuticals Co., Ltd. SK Biopharmaceuticals Co., Ltd. engages in the research, development, and commercialization of innovative biopharmaceuticals targeting central nervous system disorders and oncology. Founded in 1993 and headquartered in Seongnam-si, South Korea, the company, a subsidiary of SK Inc., offers cenobamate (branded XCOPRI in the U.S. and ONTOZRY in Europe), an FDA-approved anti-seizure medication for partial-onset seizures in adults that it independently developed from discovery through U.S. commercialization via its own sales network; solriamfetol (SUNOSI), an FDA-approved treatment for excessive daytime sleepiness associated with narcolepsy or obstructive sleep apnea commercialized through partnerships; and a pipeline including carisbamate in Phase 3 for Lennox-Gastaut syndrome, relenopride in Phase 2 for rare neurological diseases, SKL24741 and SKL-PSY in Phase 1 for epilepsy and bipolar disorder respectively, SKL20540 in Phase 1 for schizophrenia, SKL27969 for advanced solid tumors, and SKL13865 for attention deficit/hyperactivity disorder. It operates globally across North America, Europe, Asia, Central and South America, and the Middle East and North Africa, with subsidiaries like SK Life Science in the U.S. Recent developments include in-licensing a second radiopharmaceutical therapy asset targeting CA9 from WARF Therapeutics in November 2025 to expand its oncology portfolio following the 2024 SKL35501 (FL-091) deal from Full-Life Technologies, alongside supply agreements with TerraPower and PanTera for Actinium-225 isotopes and research collaborations with ProEn Therapeutics and Korea Institute of Radiological and Medical Sciences; launching a 50-50 U.S. joint venture with Eurofarma in June 2025 focused on AI-powered seizure prediction via the ZERO platform building on their 2022 cenobamate out-licensing in Latin America; acquiring SK Life Sciences Labs in 2023; extending U.S. cenobamate patents to 2032; and advancing Phase 3 trials of cenobamate in Northeast Asia while achieving over 100,000 patients treated worldwide. The company ventures into targeted protein degradation, radiopharmaceutical therapy, and cell and gene therapy to position as a leading global biotech.