Overview A Placebo Controlled Trial of Dalfampridine ER for Ambulatory Activity in People With Multiple Sclerosis Status: Completed Trial end date: 2013-04-01 Target enrollment: Participant gender: Summary A randomized placebo controlled double-blind cross-over trial of Dalfampridine ER for effect on ambulatory activity in people with multiple sclerosis Phase: Phase 4 Details Lead Sponsor: Brown, Theodore R., M.D., MPHCollaborator: Acorda TherapeuticsTreatments: 4-Aminopyridine