Alpine Immune Sciences, Inc. is a clinical-stage biopharmaceutical company focused on discovering and advancing protein-based immunotherapies. Their therapeutic endeavors address a range of conditions, including various cancers, autoimmune and inflammatory disorders, among others. The company's pipeline features ALPN-101, an ICOS/CD28 antagonist program being developed for autoimmune and inflammatory diseases; ALPN-202, a conditional CD28 costimulator and dual checkpoint inhibitor aimed at treating cancer; and ALPN-303, a dual B cell cytokine antagonist for B cell-mediated inflammatory and autoimmune conditions. Alpine Immune Sciences has established strategic collaborations, including an agreement with AbbVie Ireland Unlimited Company for the development of ALPN-101, and a partnership with Adaptimmune Therapeutics plc to create next-generation SPEAR T cell products. The company was founded in 2007 and operates from its headquarters in Seattle, Washington.


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