Aptinyx Inc. is a clinical stage biopharmaceutical company, which engages in discovery, development, and commercialization of transformative therapies for disorders of the brain and nervous system. Its product includes NYX-2925, NYX-783, NYX-458, and the AGN-241751 program. The company was founded by Norbert G. Riedel and Joseph R. Moskal in June 2015 and is headquartered in Evanston, IL.