Study to Evaluate the Effect of Ha44 Gel on the Electrocardiogram in Healthy Volunteers

Inclusion Criteria: * healthy male or female subject, 18 to 50 years of age, inclusive, at least 45 kg and has a body mass index (BMI) of 18 to 33 kg/m2, * Female subjects of childbearing potential must not be pregnant and not lactating or prepared to practice highly effective birth control methods * The subject has normal 12-lead ECG results or, if abnormal, the abnormality is not clinically significant (as determined by the investigator). Exclusion Criteria: * has evidence of cardiac conduction abnormalities * history of unexplained syncope, cardiac arrest, unexplained cardiac arrhythmia or torsade de pointes, structural heart disease, or family history of Long QT syndrome (suggested by sudden death of a close relative due to cardiac causes at a young age * potassium, calcium, or magnesium levels that are below the clinical laboratory's lower limit of normal * laboratory test results at Screening are \>2 x the upper limit of normal (ULN) for alanine aminotransferase (ALT) or aspartate aminotransferase (AST), \>1.5 x ULN for bilirubin, or \>1.5 x ULN for creatinine * history or evidence of any clinically significant (as determined by the investigator) cardiovascular, endocrinologic, hematologic, hepatic, immunologic, metabolic, urologic, pulmonary, neurologic, dermatologic, psychiatric, renal, and/or other major disease or malignancy (excluding non-melanoma skin cancer) * febrile illness or symptomatic viral, bacterial (including upper respiratory infection), or fungal (non-cutaneous) infection within 1 week before clinic admission * supine mean systolic blood pressure \<90 or \>140 mmHg and a mean diastolic blood pressure \<50 or \>90 mmHg * positive for HIV or hepatitis C antibody or hepatitis B antigen (HBsAg)