Overview Lipoic Acid for Secondary Progressive Multiple Sclerosis (MS) Status: Completed Trial end date: 2015-08-01 Target enrollment: Participant gender: Summary The purpose of the study is to determine if lipoic acid can protect the brain and slow disability in secondary progressive multiple sclerosis. Phase: Phase 2/Phase 3 Details Lead Sponsor: VA Office of Research and DevelopmentCollaborator: Oregon Health and Science UniversityTreatments: Thioctic Acid