Idorsia Ltd, a biopharmaceutical company, engages in the discovery, development, and commercialization of drugs for unmet medical needs in Switzerland, the United States, Japan, Europe, and Canada. The company has a clinical development pipeline for various therapeutic areas, such as CNS, cardiovascular, immunological disorders, and orphan diseases. It offers QUVIVIQ (daridorexant) for the treatment of insomnia. The company's product pipeline includes Lucerastat, a glucosylceramide synthase inhibitor, which is in phase 3 clinical trial to treat fabry disease; Daridorexant, a dual orexin receptor antagonist, which is in phase 2 clinical trial for the treatment of pediatric insomnia; IDOR-1117-2520, a CCR6 receptor antagonist which is in phase 1 clinical program to treat immune-mediated disorders; ACT-777991, a CXCR3 antagonist, which is in preclinical trial to treat vitiligo; and ACT-1004-1239, an ACKR3 receptor antagonist which is preclinical trial for the treatment of progressive multiple sclerosis. It also develops ACT-1016-0707, a LPA 1 receptor antagonist to treat immune-mediated and fibrosis related disorders; IDOR-1141-8472, an orexin 2 receptor agonist to treat orexin-related CNS disorders; and IDOR-1126-6421 to treat organ injury. The company holds a license agreement with Neuro to develop and commercialize clazosentan; collaboration agreement with Janssen Biotech Inc. to jointly develop and commercialize aprocitentan and its derivative compounds or products; license agreement with Mochida Pharmaceutical for the supply, co-development, and comarketing of daridorexant; and optional license and/or research and development collaboration agreement with Neurocrine Biosciences, Inc, to to develop and commercialize ACT-709478, and/or to collaborate in a research program to discover, identify and develop novel calcium channel blocker compounds for follow-on compounds to ACT-709478. Idorsia Ltd was incorporated in 2017 and is headquartered in Allschwil, Switzerland.