Study Status: Available
Recruit Status: Available
Study Type: Expanded Access
Official Title: Use of 3,4-Diaminopyridine(3 4-DAP)in the Treatment of Lambert-Eaton Syndrome (LEMS)
Brief Summary: To learn more about the effect of 3, 4-Diaminopyridine (3,4-DAP) on patient diagnosed with Lambert-Eaton myasthenic syndrome (LEMS).