The HEALEY ALS Platform Trial is a multi-center, multi-regimen clinical trial evaluating the safety and efficacy of investigational products for the treatment of ALS. The trial is designed as a perpetual platform trial. This means that there is a single Master Protocol determining the conduct of the trial.

The HEALEY ALS Platform Trial is a research trial that tests the safety and effectiveness of multiple treatments in ALS. A regimen is a specific course of treatment, each with a different study drug. The following things will happen in this research study: Blood and urine sample collection; Completion of questionnaires; Physical and neurological exams; Vital signs, current and historical review of medical information about general health and medication use review; Muscle strength testing; Measurement of the electrical activity of the heart with an electrocardiogram (ECG); and Measurement of respiratory (breathing) function. Participants will also take either the study drug, or placebo, according to the study schedule