Amyotrophic lateral sclerosis (ALS), formerly known as Lou Gehrig’s disease, is a progressive and fatal neurodegenerative disorder with no known cure. While three therapies have gained U.S. FDA approvals to date, including Rilutek (riluzole), Radicava/Radicava ORS (edaravone) and tofersen (BIIB-067, the lack of a disease-modifying drug has spurred the continual search for novel therapies.