Radicava is part of the ALS Agents class and treats ALS. ALS agents are used to treat amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease. They work by delaying progression of the disease and improving symptoms. Radicava is only available as a brand name drug. With the Patient Assistance Program from MT Pharma , contact the program to see how they can financially help you out.