Nation FDA approves Relyvrio, the first new ALS drug in five years. Patients had wanted it sooner. September 29, 2022 Karen Weintraub, USA TODAY Comments Off on FDA approves Relyvrio, the first new ALS drug in five years. Patients had wanted it sooner. The Food and Drug Administration on Thursday approved the use of Relyvrio to treat amyotrophic lateral sclerosis, more commonly known as ALS.