Overview Phase III Randomized, Double-Blind, Placebo-Controlled Study of 3,4-Diaminopyridine for Demyelinating Polyneuropathy Status: Completed Trial end date: 1996-08-01 Target enrollment: Participant gender: Summary OBJECTIVES: I. Assess the efficacy of 3,4-diaminopyridine in patients with stable chronic demyelinating polyneuropathy. Phase: Phase 3 Details Lead Sponsor: National Center for Research Resources (NCRR)Collaborator: Mayo ClinicTreatments: 3,4-diaminopyridine