Study Evaluating Single Doses of PPM-204 on the Electrical Pathways of the Heart

Inclusion Criteria: * Men or women, aged 18 to 55 years * Body mass index in the range of 18 to 30 kg/m2 * Healthy as determined by the investigator on the basis of medical history, physical examination, clinical laboratory test results, vital signs, and 12-lead ECG Exclusion Criteria: * History of cardiac, thyroid, muscle, or kidney abnormalities * A family history of long QT syndrome and/or sudden cardiac death * History of any clinically significant drug allergy, hypersensitivity to sulfonomides or the quinolone class of antibiotics