Rigel Pharmaceuticals, Inc.

Rigel Pharmaceuticals, Inc., a biotechnology company, engages in the discovery and development of small molecule drugs for the treatment of immune and hematologic disorders, cancer, and rare diseases. The company offers Tavalisse, an oral spleen tyrosine kinase inhibitor for the treatment of adult patients with chronic immune thrombocytopenia. It also develops Fostamatinib that is in phase III clinical trials for warm autoimmune hemolytic anemia; R835, an oral interleukin receptor associated kinase 1/4 inhibitor, which is in phase I clinical trials for autoimmune and inflammatory diseases; and R552, a receptor-interacting protein kinase Inhibitor that is in phase I clinical trials for autoimmune and inflammatory diseases. The company has research and license agreements with Aclaris Therapeutics International Limited for the development and commercialization of janus kinase (JAK) inhibitors for the treatment of alopecia areata and other dermatological conditions; AstraZeneca AB for the development and commercialization of R256, an inhaled JAK inhibitor; BerGenBio AS for the development and commercialization of AXL inhibitors in oncology; and Daiichi Sankyo to develop murine double minute 2 inhibitors for solid and hematological malignancies, as well as license and supply agreement with Kissei Pharmaceutical Co., Ltd. to develop and commercialize Fostamatinib. Tavalisse. Rigel Pharmaceuticals, Inc. was incorporated in 1996 and is headquartered in South San Francisco, California. Show More...