Treatment of Lambert-Eaton Myasthenic Syndrome (LEMS) With 3, 4 DAP

Inclusion Criteria

• •Be diagnosed with LEMS or a type of CMS likely to respond to 3, 4-DAP.
• •If female of childbearing age, have negative pregnancy test, and be willing to practice and effective form of birth control during the study.
• •Tested and found by ECG not to have a prolonged QTc syndrome.
• •Agrees to have a second ECG at the time of peak drug effect. Has understood and signed the Informed Consent.