3,4-Diaminopyridine in the Treatment of Lambert–Eaton Myasthenic Syndrome

Abstract
Lambert–Eaton myasthenic syndrome is characterized by muscle weakness, hyporeflexia, and autonomic dysfunction, which result from impaired release of acetylcholine from cholinergic nerve terminals. It is frequently associated with cancer, it is autoimmune-mediated, and treatment has been unsatisfactory.