Overview Phase 3 Study of Dexpramipexole in ALS Status: Completed Trial end date: 2012-11-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether dexpramipexole (150 mg twice daily) is safe and effective in the treatment of Amyotrophic Lateral Sclerosis (ALS). Phase: Phase 3 Details Lead Sponsor: Knopp BiosciencesTreatments: Pramipexole