Effect on the Electrocardiographic QT Interval Corrected for Heart Rate (QTc) in Healthy Subjects

Inclusion Criteria: * Body Mass Index (BMI) of 18 to 32 kg/m², inclusive. * Women who are not of childbearing potential (ie, who are postmenopausal or surgically sterile) and men, ages 18 to 55 * Healthy subjects Exclusion Criteria: * History of cardiac arrhythmias or palpitations associated with presyncope or syncope, or history of unexplained syncope * Sexually active fertile men not using effective birth control (double barrier) if their partners are WOCBP * Women who are pregnant or breastfeeding * History of allergy or intolerance to moxifloxacin or any member of the quinolone class of antimicrobial agents * History of hypokalemia, history or family history of prolonged QT interval, or family history of sudden cardiac death at a young age * Any clinically significant ECG abnormality * History of seizure disorders * History of drowning survival